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74-98-6 Propane competitive price hly57

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Unit Price:

$1/MT FOB

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CAS No.:

74-98-6

Grade:

industrial Grade

Content:

90%

Port:

qingdao

Brand:

hly

Packaging:

50kg welded steel pressure cylinders

Price valid (until):

2027-02-28

Company Type:
Trader
Location:
China
Qualification:
Main Products:

Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


    Company Profile   ----------
    Suqian City Hengliyuan Import and Export Trade Co., LTD is a trading company. The company has introduced advanced scientific and technological achievements from home and abroad, and has superior products from well-known manufacturers at home and abroad. The basic functions are:
    1. Domestic trade of various chemical raw materials;
    2. Providing price information services and chemical raw material procurement for industrial enterprises;
    3. Cooperating with Chinese state-owned enterprise factories, the price and quality are very advantageous.
    At present, the company is relying on the combination of industry and trade and global procurement to steadily improve the company's value-added ability and compound competitiveness. We have always been committed to producing high-quality and low-cost goods, so we have been sincerely recognized by many customers. Our goal is to produce the best products and satisfy every customer with professional services and attitudes. We look forward to cooperating with you and establishing a win-win relationship with you. Please rest assured that we will definitely satisfy you.

    ----------packaging and delivery   ----------

      ----------Our Advantages---------
    High quality with competitive price
    1) Standard:BP/USP/EP/Enterprise standard
    2) All Purity≥99%
    3) We can provide high quality products with factory price
    2. Fast delivery
    1) Fast shipment.Various transportation methods for your choice.
    2) We have our own agent/remailer/distributor who can help us ship our products very fast , and we have stock in the ir  for   transferring.
    3. Good communication and credit
    1) Fast response to customer within 5 hours
    2) Good business credit in Europe, US, Japan, Korea, Af r ica and so on.


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    Propane

    CAS No.: 74-98-6

    1. Basic Identification

    Chemical Name: Propane

    IUPAC Name: Propane

    Synonyms: Dimethylmethane, Liquefied petroleum gas component

    EINECS No.: 200-827-9

    Molecular Formula: \(\boldsymbol{C_3H_8}\)

    Molecular Weight: 44.10

    SMILES: CCC

    UN Number: UN 1978

    HS Code: 27111200

    Hazard Classification: Class 2.1 Extremely Flammable Gas

    Chemical Category: Light alkane hydrocarbon, industrial fuel, aerosol propellant, cryogenic refrigerant raw material

    2. Physical & Chemical Properties

    Appearance

    Colorless, odorless gas at normal temperature and pressure; liquefies under moderate pressure, slight petroleum odor added for safety leak detection.

    Physical Constants



    Parameter Standard Value Remarks
    Melting Point -187.7 ℃ Cryogenic liquid under pressurized storage
    Boiling Point -42.1 ℃ (760 mmHg) Highly volatile liquefied gas
    Liquid Density (-42℃) 0.585 g/cm³ Liquid lighter than water
    Gas Vapor Density (air=1) 1.56 Heavier than air, accumulates in low-lying confined spaces
    Closed Cup Flash Point -104 ℃ Extremely flammable
    Explosion Limit in Air (V/V) 2.1% ~ 9.5% Wide flammable range, severe explosion risk if ignited
    Vapor Pressure (20 ℃) 8.5 bar Stored in high-pressure steel cylinders
    Water Solubility Very slightly soluble in water
    Miscibility Fully miscible with other light hydrocarbons, ethers; immiscible with water

    Core Chemical Characteristics

    1. Complete combustion reaction

      Burns in sufficient oxygen to generate carbon dioxide and water with large heat release; main clean industrial & domestic fuel. Incomplete combustion produces toxic carbon monoxide.
    \(\boldsymbol{C_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2O}\)

    2. Substitution reaction

    Under UV light, undergoes free-radical halogenation with Cl₂/Br₂ to form chloropropane/bromopropane fine chemical intermediates.

    3. Cracking & dehydrogenation

    High-temperature catalytic cracking produces ethylene, propylene; dehydrogenation generates propylene for petrochemical monomers.

    4. Inert at room temperature

    Stable under normal conditions, no reaction with dilute acid/alkali; only reacts with strong oxidants at high temperature.

    5. Incompatible materials: Strong oxidants, chlorine, fluorine, open flames, high-temperature heat sources.

    3. Industrial & UHP Grade Quality Specifications

    Industrial Fuel Grade




    Test Item Standard Spec Test Method
    Propane Content ≥95.0 vol% Gas Chromatography
    Propylene + Butane Impurities ≤4.0 vol% GC
    Moisture ≤200 ppm v/v Dew point tester
    Sulfur Content ≤30 ppm UV fluorescence
    Residual Oil ≤0.005 mL/100mL Gravimetric
    Odorant (Mercaptan) 10–50 ppm GC

    Ultra High Purity Electronic Grade (≥99.99%)

    Ultra-low moisture, sulfur, heavy hydrocarbon impurities, used as carrier gas for semiconductor CVD processes.

    4. Main Industrial Applications

    4.1 Fuel Industry (Largest Consumption)

    1. Civil LPG fuel for cooking, heating, water heaters; commercial catering, restaurant burner fuel.
    2. Industrial cutting & welding fuel, metal heating furnace fuel, asphalt heating fuel.

    4.2 Petrochemical Raw Material

    1. Cracking feedstock to produce ethylene, propylene core plastic monomers.
    2. Dehydrogenation raw material for propylene production; alkylation feedstock for high-octane gasoline.
    3. Halogenation raw material for 1-chloropropane, 2-bromopropane fine chemical intermediates.

    4.3 Aerosol & Daily Chemicals

    1. Environmentally friendly aerosol propellant for hair spray, insecticide, air freshener, foam cleanser (low ozone depletion potential).
    2. Solvent diluent for industrial spray coatings.

    4.4 Refrigeration & Cryogenic Industry

    1. Low-temperature refrigerant component for household & commercial refrigerators, heat pumps, low-temperature cold storage.
    2. Cryogenic coolant for special lab freezing equipment.

    4.5 Electronic & Laboratory Uses

    1. UHP propane as carrier gas for GC analysis, semiconductor thin film deposition process gas.
    2. Calibration standard gas raw material for environmental VOC detection instruments.

    5. Toxicology, Health Hazards & First Aid

    Toxicity Profile

    • Simple asphyxiant gas; no acute systemic toxicity, but displaces oxygen and causes suffocation in confined spaces.
    • High concentration narcosis: Dizziness, drowsiness, loss of consciousness.
    • Liquefied propane contact causes severe cryogenic frostbite on skin/eyes.
    • Non-carcinogenic, low aquatic toxicity.

    Exposure Symptoms

    1. Inhalation (high concentration): Headache, nausea, fatigue, shortness of breath, unconsciousness, death by asphyxia in extreme oxygen deficiency.
    2. Liquid skin contact: Instant frostbite, blistering, deep tissue cold injury.
    3. Eye splash: Corneal frostbite, possible permanent vision damage.

    Complete First-Aid Procedures

    1. Inhalation: Evacuate victim to well-ventilated fresh air; supply oxygen if breathing weak; perform CPR if respiration stops and send to hospital.
    2. Liquid Skin Exposure: Do NOT rub frozen skin; rinse affected area with lukewarm (37–40℃) water for 15–30 minutes; cover with sterile dressing and seek medical frostbite treatment.
    3. Eye Contact: Irrigate eyes with plenty of lukewarm water for at least 15 minutes, do not rub eyes; urgent ophthalmic treatment.

    6. Storage, Handling & Incompatibility Rules

    Mandatory Storage Conditions

    1. Warehouse classification: Special high-pressure flammable gas cylinder warehouse, fully ventilated, separated from oxidants, ignition sources, heat equipment.
    2. Temperature control: Ambient temp ≤30 ℃, avoid direct sunlight; cylinder insulation to prevent overpressure.
    3. Cylinder management: Secure cylinders with anti-tip chains; full & empty cylinders stored separately, valve caps always fitted.
    4. Atmosphere: Warehouse equipped with flammable gas leakage alarm and forced ventilation fans.
    5. Shelf life: Cylinders valid for inspection per national pressure vessel standards; discard expired cylinders.

    Strictly Separated Incompatible Materials

    Liquid chlorine, fluorine, strong oxidants (permanganate, hydrogen peroxide), combustible chemicals, open flames, welding equipment.

    Safe Operation Specifications

    1. Operators wear anti-static work clothes, safety goggles, cold-resistant gloves; no static-generating fabrics or spark tools.
    2. All piping, valves static grounded; prohibit smoking, sparks, mobile phones in operation zone.
    3. Small leakage: Close cylinder valve immediately, ventilate space thoroughly, isolate cylinder outdoors for recovery.
    4. Large cylinder leak: Evacuate all personnel upwind, cut all ignition sources, dilute gas with forced ventilation; notify hazardous gas emergency team.

    7. Export Packaging & Global Transportation Regulations

    Standard Export Packaging Modes

    1. Standard industrial grade: Seamless high-pressure steel cylinders (40L / 80L / 118L), pressure test certified, safety burst disc valves.
    2. Bulk shipment: Insulated cryogenic ISO tank containers for liquid propane bulk sea transport.

    UN Transport Compliance Rules

    UN 1978, Class 2.1 Extremely Flammable Gas, Packing Group II
    1. Road transport: Special gas cylinder rack trucks with explosion-proof electrical systems, fire extinguishers, static grounding.
    2. Ocean shipment: Comply with IMDG Code flammable compressed gas rules; affix Flammable Gas hazard labels, stowed in ventilated dangerous goods hold, segregated from oxidizers and toxic chemicals.
    3. Loading ban: Strictly no mixed loading with chlorine, oxidants, corrosive substances, food products.

    Full Export Document Package

    • Gas Certificate of Analysis (COA)
    • GHS MSDS / SDS
    • Technical Data Sheet (TDS)
    • Marine Dangerous Goods Declaration
    • Pressure Vessel Inspection Certificate
    • REACH Registration Documents

    8. GHS Global Hazard Label Statements

    Signal Word: Danger

    Hazard Statements:

    H220 Extremely flammable gas

    H280 Contains gas under pressure; may explode if heated

    H336 May cause drowsiness or dizziness

    H340 May displace oxygen and cause rapid suffocation

    Precautionary Statements:

    P210 Keep away from heat, sparks, open flames, hot surfaces – No smoking

    P222 Do not allow gas accumulation in low/confined areas

    P261 Avoid breathing high-concentration gas

    P280 Wear safety goggles, cold-resistant protective gloves

    P304+P340 IF INHALED: Remove victim to fresh air and rest

    P403+P235 Store cylinder in cool, well-ventilated warehouse with valve cap secured

    P410+P403 Protect cylinders from sunlight and heat sources

    9. Fire Emergency Disposal Plan

    Approved Fire Extinguishing Agents

    • Primary: Carbon dioxide (CO₂), dry chemical powder
    • Auxiliary: Fine water mist (only cool surrounding cylinders, not direct flame suppression)

    Forbidden Agents

    High-volume direct water jet (cannot extinguish gas flame, only spread flammable gas)

    Fire Site Operation Steps

    1. Immediate full evacuation of all personnel to upwind safe zone, isolate hazard area ≥300 meters, shut off cylinder gas supply if safely accessible.
    2. Continuously cool all exposed gas cylinders with water mist to prevent pressure rupture from thermal overheating.
    3. Allow small gas flames to burn out after cutting gas supply; never attempt to close leaking valve while flame is burning.
    4. All fire residues treated as flammable hazardous waste.

    10. Printable Export COA Template

    CERTIFICATE OF ANALYSIS

    Product Name: Propane

    CAS No.: 74-98-6

    Grade: Industrial Fuel Grade / UHP Electronic Grade

    Cylinder No.: ____________

    Batch No.: ____________

    Filling Date: ____________



    Test Item Standard Spec Test Result Test Method
    Propane Volume Purity ≥95.0 vol% (Industrial) / ≥99.99 vol% (UHP)
    GC
    C3-C4 Olefin & Alkane Impurities ≤4.0 vol%
    GC
    Moisture Dew Point ≤ -40 ℃
    Dew Point Analyzer
    Total Sulfur ≤30 ppm
    UV Fluorescence
    Residual Oil Content ≤0.005 mL/100mL
    Gravimetric
    Odorant Mercaptan 10–50 ppm
    GC
    Appearance Colorless gas with faint safety odorant smell Visual Inspection
    Conclusion: This batch complies with international industrial propane standard.

    Inspector Signature: ____________

    Issuance Date: ____________

    11. E-commerce Listing Copy

    Product Title

    Propane CAS 74-98-6 Industrial Flammable Compressed Gas LPG Fuel Petrochemical Cracking Feedstock Aerosol Propellant Refrigerant Raw Material UHP Electronic Grade Carrier Gas

    Short Description

    Propane (C₃H₈, CAS 74-98-6) colorless high-pressure flammable alkane gas, widely used as civil/industrial LPG fuel, ethylene/propylene cracking feedstock, aerosol propellant and low-temperature refrigerant. UHP 99.99% grade available for semiconductor and laboratory GC carrier gas. Complete UN1978 Class 2.1 flammable gas export documents COA, MSDS and TDS provided for global cylinder & bulk tank shipment.

    Full Description

    Propane (CAS 74-98-6) is a light saturated alkane extracted from natural gas and crude oil refining, supplied as pressurized liquefied gas in steel cylinders. It features high combustion calorific value, clean combustion, versatile chemical synthesis applications and low ozone-depleting potential as an aerosol propellant, making it a multi-purpose industrial gas.
    Core downstream sectors: Domestic & commercial LPG fuel for cooking and heating; industrial metal cutting, furnace heating fuel; petrochemical cracking raw material for ethylene, propylene plastic monomers; environmentally friendly propellant for aerosols (hairspray, insecticide); refrigerant component for cold storage and heat pumps; ultra-high purity propane for gas chromatography carrier gas and semiconductor CVD process gas. We supply standard industrial fuel grade and customized 99.99% electronic ultra-pure grade.

    Packed in certified seamless high-pressure steel cylinders or bulk insulated cryogenic ISO tanks for full-container sea shipment. Classified UN1978 Class 2.1 extremely flammable compressed gas, full IMDG transport, customs clearance and REACH compliance certificates are available for long-term stable global supply.




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    Certificates

    Basic Info
    Product Name:

    Propane

    Other Name:

    Propane;Dimethylmethane;Propyl hydride;R 290;n-Propane;Liquefied petroleum gas;LPG;HC 290;Purifrigor P 2;Purifrigor P 2.5;Purifrigor P 3;Purifrigor P 3.5;R 280

    CAS No.:

    74-98-6

    Molecular Formula:

    C3H8

    InChIKeys:

    InChIKey=ATUOYWHBWRKTHZ-UHFFFAOYSA-N

    Molecular Weight:

    44.1

    Exact Mass:

    44.10

    EC Number:

    200-827-9

    UNII:

    T75W9911L6

    ICSC Number:

    0319

    UN Number:

    1978|1075

    DSSTox ID:

    DTXSID5026386|DTXSID5028538

    Color/Form:

    Colorless gas [Shipped as a liquefied compressed gas].

    HScode:

    2901100000

    Characteristics
    PSA:

    0

    XLogP3:

    2.36

    Appearance:

    Propane appears as a colorless gas with a faint petroleum-like odor. It is shipped as a liquefied gas under its vapor pressure. For transportation it may be stenched. Contact with the unconfined liquid can cause frostbite by evaporative cooling. Easily ignited. The vapors are heavier than air and a flame can flash back to the source of leak very easily. The leak may be either a liquid or vapor leak. The vapors can asphyxiate by the displacement of air. Under prolonged exposure to fire or heat the containers may rupture violently and rocket.

    Density:

    0.5853 g/cm3 @ Temp: -45 °C

    Melting Point:

    -189.7 °C

    Boiling Point:

    -42.1 °C @ Press: 800 Torr

    Flash Point:

    -104 °C

    Refractive Index:

    Index of refraction: 1.2898 @ 20 °C

    Water Solubility:

    (vol %):Alcohol (790 at 16.6°C and 754mmHg),benzene(1,452 at 21.5°C and 757 mmHg),chloroform(1,299 at 21.6°C and 757mmHg),ether(926 at 16.6°C and 757mmHg),and turpentine (1,587 at 17.7°C and 757mmHg)(Windholz et al., 1983).

    Storage Conditions:

    -20°C

    Vapor Pressure:

    190 psi ( 37.7 °C)

    Vapor Density:

    1.5 (vs air)

    Toxicity:

    Reference value Inhalation-Rat LC50: 658000 mg/m3/ 4 hours

    Flammability characteristics:

    Open flame, flammable when heated; burning produces irritating smoke

    Explosive limit:

    9.5%

    Odor:

    Odorless [Note: A foul smelling odorant is often added when used for fuel purposes].

    OH:

    1.15e-12 cm3/molecule*sec

    Henrys Law Constant:

    Henry's Law constant = 7.07X10-1 atm-cu m/mol at 25 °C (est)

    Experimental Properties:

    Burns with a luminous, smoky flame; heavier than air; 1 liter weighs 2.0200 g at 0 °C, 760 mm Hg /and/ 1.8324 g at 25 °C, 760 mm Hg; liquefies at -42 °C; solid at -187.7 °C|Liquid water interfacial tension (est): 50 dynes/cm = 0.05 N/m at -50 °C; ratio of specific heats of vapor (gas): 1.130|1 mg/cu m = 0.55 ppm; 1 ppm = 1.83 mg/cu m|Heating value for ideal gas at 60 °F and 14.7 psi, dry basis: 2517 BTU/cu ft; specific volume of real gas at 60 °F and 14.7 psi: 8.4515 cu ft/lb /Research grade/|For more Other Experimental Properties (Complete) data for PROPANE (11 total), please visit the HSDB record page.

    Air and Water Reactions:

    Highly flammable.

    Reactive Group:

    Hydrocarbons, Aliphatic Saturated

    Reactivity Alerts:

    Highly Flammable

    Reactivity Profile:

    PROPANE is incompatible with strong oxidizing agents.

    Autoignition Temperature:

    842 °F (USCG, 1999)|842 °F (450 °C)|450 °C

    Heat of Combustion:

    (constant vol) 528.4 cal; (constant pressure) 553.5 cal

    Ionization Potential:

    11.07 eV

    Flammable Limits:

    Lower flammable limit: 2.1% by volume; Upper flammable limit: 9.5% by volume|Flammable Gas

    Physical Dangers:

    The gas is heavier than air and may travel along the ground; distant ignition possible. The gas is heavier than air and may accumulate in lowered spaces causing a deficiency of oxygen. As a result of flow, agitation, etc., electrostatic charges can be generated.

    Corrosivity:

    Non-corrosive

    Heat of Vaporization:

    14.79 kJ/mol at 25 °C

    Critical Temperature & Pressure:

    Critical temperature: 96.81 °C; critical pressure: 42.01 atm

    Hazard Identification

    Classification of the substance or mixture

    Gases under pressure: Liquefied gas

    Flammable gases, Category 1A, Flammable gas

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H220 Extremely flammable gas

    Precautionary statement(s)
    Prevention

    P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

    Response

    P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely.

    P381 In case of leakage, eliminate all ignition sources.

    Storage

    P410+P403 Protect from sunlight. Store in a well-ventilated place.

    P403 Store in a well-ventilated place.

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. Prevent build-up of electrostatic charges (e.g., by grounding) if in liquid state. Use non-sparking handtools. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Fireproof. Cool.COMPRESSED GASES MAY BE STORED IN THE OPEN ONLY IF THEY ARE ADEQUATELY PROTECTED FROM THE WEATHER & DIRECT SUNLIGHT. STORAGE AREAS SHOULD BE LOCATED AT A SAFE DISTANCE FROM OCCUPIED PREMISES & NEIGHBORING DWELLINGS. GASES & AIR, COMPRESSED

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate

    Location:

    Shop No.15, 1st Floor, Building 12, Hengda Huafu, Sucheng District, Suqian City

    Payment Terms:

    TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    30

    Total Annual Revenue:

    Less than $1 million

    Total Employees:

    5-10

    Year of Establishment:

    2022


    Company Overview

    Suqian Hengliyuan Import and Export Corporation, Ltd. is a leading enterprise specializing in the international trade of chemical products. Established in Suqian, Jiangsu Province, China, our company has built a strong reputation for excellence and reliability in the chemical industry.

    Our Mission

    Our mission is to facilitate global trade by providing high-quality chemical products and exceptional service to our clients. We aim to be a bridge between manufacturers and end-users, ensuring the safe and efficient transfer of chemicals across borders.

    Products and Services

    We offer a comprehensive range of chemical products, including but not limited to:

    • Industrial Chemicals: Raw materials for various industries such as pharmaceuticals, agriculture, and manufacturing.
    • Specialty Chemicals: High-performance chemicals used in specific applications, including water treatment, coatings, and adhesives.
    • Bulk Chemicals: Large-volume chemicals for industrial processes and manufacturing needs.

    Quality Assurance

    At Suqian Hengliyuan Import and Export Corporation, Ltd., quality is our top priority. We adhere to stringent quality control measures and international standards to ensure that our products meet the highest levels of purity and performance. Our dedicated quality assurance team conducts rigorous inspections and testing to guarantee the integrity and safety of all our chemical products.

    Global Network

    Leveraging our extensive network of suppliers and partners, we are able to source and deliver a wide array of chemical products to clients worldwide. Our strategic partnerships and logistical expertise enable us to offer competitive pricing, timely delivery, and customized solutions to meet the diverse needs of our clients.

    Commitment to Sustainability

    We are committed to sustainable business practices and environmental stewardship. Our operations are designed to minimize environmental impact, and we continuously seek ways to improve our processes and reduce our carbon footprint. We work closely with our suppliers and customers to promote the responsible use and disposal of chemicals.

    Customer Focus

    Our clients are at the heart of everything we do. We pride ourselves on providing personalized service and building long-term relationships based on trust and mutual benefit. Our experienced team of professionals is dedicated to understanding our clients' needs and delivering solutions that exceed their expectations.

  • Inquiry History
    8 Inquiries
    Country Product Purchase Quantity Date Posted
    Japan

    Propane

    1000 KG Mar 20, 2024
    Germany

    Propan

    25 MT Mar 15, 2024
    Saudi Arabia

    Propane

    280 MT Aug 31, 2023
    Saudi Arabia

    PROPANE

    40 MT Oct 22, 2025
    Serbia

    Propane

    2500 MT Sep 1, 2025
    United Arab Emirates

    Propane

    1 MT Nov 6, 2024
    Nigeria

    Propane

    1 MT Jan 17, 2024
    Tanzania

    PROPANE

    1 20' Fcl Oct 24, 2023
    Post an enquiry for this product
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