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Dichlorosilane 99 high purity hly 57

COA

Unit Price:

$1/MT FOB

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CAS No.:

4109-96-0

Grade:

industrial Grade

Content:

99%

Port:

qingdao

Brand:

HLY

Packaging:

gas cylinder

Price valid (until):

2027-02-28

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Suqian City Hengliyuan Import and Export Trade Co., LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

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

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Product Description
Seller Information

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.

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----------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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Items	Specifications

Dichlorosilane (DCS) CAS 4109-96-0 Full English Export Specification

1. Basic Chemical Identification

IUPAC Name: Dichlorosilane
Common Names: DCS, Silane dichloride, Silicon dichloride dihydride
CAS No.: 4109-96-0
EC/EINECS No.: 223-888-3
MDL No.: MFCD00011600
Molecular Formula: $\boldsymbol{SiH_2Cl_2}$
Molecular Weight: 101.01
SMILES: Cl[SiH2]Cl
HS Code: 28121090
UN Number: UN 2189
IMDG Hazard Class: Class 2.3 Toxic Gas + 2.1 Flammable Gas + Class 8 Corrosive, Packing Group I
Signal Word: Danger

2. Physicochemical Properties

Appearance: Colorless transparent gas at ambient temperature; forms white corrosive acid fog upon contact with humid air
Melting Point: -122 °C
Boiling Point: 8.3 °C (liquefies easily under slight pressure)AMERICAN E...
Density (liquid at 20°C): 1.22 g/cm³; vapor density (air=1): 3.48 (heavier than air, accumulates at low ground)
Autoignition Temperature: ~100 °C; extremely prone to spontaneous combustion when mixed with air
Explosion Limit in Air: 2.5 ~ 80 vol% (ultra-wide flammable range)Air Liquid...
Solubility: Miscible with benzene, ether and most anhydrous organic solvents; violent hydrolysis with water/moisture to generate HCl mist and silica precipitate
Stability: Unstable in air; reacts vigorously with oxidants, halogens, active metals; light accelerates decomposition; must be stored under sealed steel cylinder with inert gas cushion
Hazard Decomposition: Heated or burned releases highly toxic HCl, silicon oxide fumes; contact with moisture generates corrosive hydrochloric acid vapor

3. Standard COA Quality Specifications (Electronic Grade, Semiconductor Standard)

Test Item	Standard Specification
Dichlorosilane Purity	≥99.999% (5N ultra-high purity)
Total Metal Impurities (Fe, Al, Na, K, Ca, Cu)	≤1 ppb each
Trichlorosilane (TCS) Impurity	≤0.1 ppm
Silane (SiH₄)	≤0.05 ppm
Hydrogen Chloride (HCl)	≤0.03 ppm
Moisture (H₂O)	≤10 ppb
Particles (≥0.1μm)	≤5 pcs/L
Carbon-containing impurities	≤0.01 ppm

Industrial Synthesis Grade ≥99.0%

Purity ≥99.0%, controlled low moisture and free acid, for organosilicon raw material synthesis

4. Main Industrial Applications

1. Semiconductor Wafer Epitaxy (Core High-Purity Consumption)

Preferred silicon source for silicon epitaxial layer growth on monocrystalline silicon wafers; produces high-quality low-defect epitaxial films for logic chips, power semiconductors, IGBT and MOSFET devices. Compared with trichlorosilane, DCS realizes lower-temperature epitaxy with smoother film surface.

2. Thin Film CVD Deposition

Precursor for chemical vapor deposition of silicon nitride (Si₃N₄), silicon oxide (SiO₂) passivation layers, polysilicon gate films in chip manufacturing and photovoltaic cell production.

3. Organosilicon Chemical Intermediate (Industrial Grade)

Raw material for synthesizing various chlorosilane monomers, silane coupling agents, silicone oil and silicone rubber via disproportionation and substitution reactions.

4. Laboratory Reduction Reagent

Mild reducing agent for selective reduction of imines, carbonyl groups in anhydrous fine organic synthesis under inert atmosphere.

5. Photovoltaic Industry

Silicon source for thin-film silicon solar cell deposition and polysilicon purification auxiliary process.

5. Export Packaging & Storage Transportation

Standard Packing Options

Electronic ultra-high purity grade: Seamless steel gas cylinder (40L / 80L), internal electropolished, vacuum baked, nitrogen pre-purged, filled with liquid DCS under pressure, equipped with stainless steel valve and anti-explosion cap
Industrial bulk: Large steel tank cylinder bundle for factory central gas supply

All cylinders fixed on dedicated gas pallet, wrapped with light-shield waterproof film; strictly separated from flammable and corrosive cargo during shipment

Storage & Transit Mandatory Rules

Warehouse: Special isolated toxic flammable gas storage room, constant temperature ≤15°C, full ventilation, flameproof electrical equipment, gas leakage alarm system
Cylinders must be fully closed with protective caps, upright fixed, avoid collision, sunlight and humid environment
Strict segregate from water sources, oxidants, alkali metals, food raw materials, passenger goods
Transport as UN 2189 Class 2.3(2.1+8) triple-hazard dangerous goods; only special hazardous gas carriers allowed; cabin must be ventilated, no open heat source
Cross-border export requires special toxic compressed gas export permit, semiconductor chemical certification

6. GHS Full Hazard Statements & Mandatory PPE

Hazard Statements

H220: Extremely flammable gas
H230: May explode even without air
H330: Fatal if inhaled (toxic silicon-hydrogen chloride mixed vapor)
H314: Causes severe skin burns and irreversible eye damage (hydrolysis HCl corrosion)
H290: Corrosive to metals
H410: Very toxic to aquatic life with long-term hazard

Mandatory PPE for All Operations

Positive-pressure full-face self-contained breathing apparatus (SCBA) with acid gas filter
Fully sealed anti-corrosion chemical face shield + double-layer safety goggles
Thick butyl rubber fully impermeable gloves, acid-resistant anti-static full-body coveralls, corrosion-proof rubber boots
Closed explosion-proof negative pressure ventilation cabinet for all cylinder switching, sampling and transfer work

Spill & First Aid Emergency Treatment

Gas Leak Disposal: Evacuate all personnel, cut all ignition sources, turn on full ventilation; spray fine mist of sodium carbonate dilute solution to neutralize acid fog; prohibit water jet direct flushing; move leaking cylinder to isolated outdoor waste gas absorption tank for safe venting
Skin Contact: Immediately strip all contaminated clothing, flush skin with massive running clean water continuously for ≥30 minutes, rush to hospital for burn treatment
Eye Contact: Irrigate eyes with steady running water non-stop for minimum 30 minutes, emergency ophthalmic treatment mandatory
Inhalation: Move victim to fresh air instantly, supply pure oxygen; if breathing stops, perform artificial respiration and send to toxic emergency center
Ingestion: Not applicable (product is gas at normal temperature)

7. Foreign Trade Selling Advantages

Two core grades: 5N electronic semiconductor ultra-high purity grade and industrial organosilicon synthesis grade, fully compliant with international semiconductor material standards
Strict ultra-low trace metal & particle control, suitable for advanced chip epitaxy and photovoltaic thin film production
Electropolished baked stainless steel cylinder packaging, zero residual moisture and impurity contamination during long-distance ocean transportation
Complete triple-hazard dangerous goods export document set (COA, English SDS, gas cylinder inspection certificate, IMDG maritime declaration, toxic chemical export approval, certificate of origin)
Stable long-term supply for semiconductor fabs, photovoltaic manufacturers and organosilicon chemical factories worldwide

8. Full Set Export Supporting Documents

Batch Certificate of Analysis (COA)
English Version SDS Safety Data Sheet
Steel cylinder pressure inspection certificate
IMDG Maritime Dangerous Goods Declaration File
Toxic compressed gas special export approval
Certificate of Origin
Semiconductor material compliance test report

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Certificates

Basic Info

Product Name:

Dichlorosilane

Other Name:

Silane,dichloro-;Dichlorosilane;Silicon chloride hydride (SiH2Cl2);Silicon chloride hydride (SiCl2H2);Dichlorosilane(SiH2Cl2);Silicon chloride hydride (Cl2H2Si);438546-17-9

CAS No.:

4109-96-0

Molecular Formula:

Cl2H2Si

InChIKeys:

InChIKey=MROCJMGDEKINLD-UHFFFAOYSA-N

Molecular Weight:

101.01

Exact Mass:

101.01

EC Number:

223-888-3

ICSC Number:

0442

UN Number:

2189

DSSTox ID:

DTXSID1052082

Categories:

Silane Reagent

Characteristics

PSA:

XLogP3:

0.46280

Appearance:

Dichlorosilane is a flammable and poisonous gas, with a strong repulsive odor. It is easily ignited in air, reacts with oxidizing agents, is very toxic by inhalation, and is a strong irritant to skin, eyes and mucous membranes. Under prolonged exposure to fire or intense heat the container may rupture violently or rocket.

Density:

1.220 g/cm³ @ Temp: 7 °C

Melting Point:

-122 °C

Boiling Point:

8 °C

Flash Point:

-37°C

Water Solubility:

Decomposes in water

Vapor Pressure:

1254 mm Hg ( 20 °C)

Vapor Density:

3.5 (vs air)

Explosive limit:

99%

Air and Water Reactions:

Highly flammable. Based on the properties of similar materials, there is the possibility that the reaction of this compound with water may be vigorous or violent. Products of the reaction include hydrogen chloride. The reaction generates heat and this heat may be sufficient to ignite the product. The chlorosilicon hydrides(ClxSiHy) are spontaneously flammable in air, NFPA 1991.

Reactive Group:

Chlorosilanes

Reactivity Alerts:

Highly Flammable

Reactivity Profile:

Chlorosilanes, such as DICHLOROSILANE, are compounds in which silicon is bonded to from one to four chlorine atoms with other bonds to hydrogen and/or alkyl groups. Chlorosilanes react with water, moist air, or steam to produce heat and toxic, corrosive fumes of hydrogen chloride. They may also produce flammable gaseous H2. They can serve as chlorination agents. Chlorosilanes react vigorously with both organic and inorganic acids and with bases to generate toxic or flammable gases.

Physical Dangers:

The gas is heavier than air and may travel along the ground; distant ignition possible.

See More Dichlorosilane Properties 

Hazard Identification

Classification of the substance or mixture

Flammable gases, Category 1A, Flammable gas

Gases under pressure: Liquefied gas

Skin corrosion, Sub-category 1A

Serious eye damage, Category 1

Acute toxicity - Category 2, Inhalation

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H220 Extremely flammable gas H280 Contains gas under pressure; may explode if heated H314 Causes severe skin burns and eye damage H330 Fatal if inhaled
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P271 Use only outdoors or in a well-ventilated area. P284 [In case of inadequate ventilation] wear respiratory protection.
Response	P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely. P381 In case of leakage, eliminate all ignition sources. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P320 Specific treatment is urgent (see ... on this label).
Storage	P403 Store in a well-ventilated place. P410+P403 Protect from sunlight. Store in a well-ventilated place. P405 Store locked up. P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

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. 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. Keep in a well-ventilated room.

See More Dichlorosilane Safety Data Sheet 

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.
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Dichlorosilane 99 high purity hly 57

Product Description

Seller Information

Dichlorosilane (DCS) CAS 4109-96-0 Full English Export Specification

1. Basic Chemical Identification

2. Physicochemical Properties

3. Standard COA Quality Specifications (Electronic Grade, Semiconductor Standard)

Industrial Synthesis Grade ≥99.0%

4. Main Industrial Applications

1. Semiconductor Wafer Epitaxy (Core High-Purity Consumption)

2. Thin Film CVD Deposition

3. Organosilicon Chemical Intermediate (Industrial Grade)

4. Laboratory Reduction Reagent

5. Photovoltaic Industry

5. Export Packaging & Storage Transportation

Standard Packing Options

Storage & Transit Mandatory Rules

6. GHS Full Hazard Statements & Mandatory PPE

Hazard Statements

Mandatory PPE for All Operations

Spill & First Aid Emergency Treatment

7. Foreign Trade Selling Advantages

8. Full Set Export Supporting Documents

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

Company Overview

Our Mission

Products and Services

Quality Assurance

Global Network

Commitment to Sustainability

Customer Focus

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