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1,3-Propanediamine 99 best price hly 57

COA 2 Inquiries

Unit Price:

$1/MT FOB

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CAS No.:

109-76-2

Grade:

industrial Grade

Content:

99%

Port:

qingdao

Brand:

HLY

Packaging:

200kg/iron drum

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
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.

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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.

Items	Specifications

1,3-Diaminopropane (Trimethylenediamine, 1,3-Propanediamine) CAS 109-76-2 Full English Export Specification

1. Basic Chemical Identification

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1,3-Diaminopropane Structure

IUPAC Name: Propane-1,3-diamine
Common Names: 1,3-Diaminopropane, Trimethylenediamine, 1,3-Propanediamine, PDA
CAS No.: 109-76-2
EC/EINECS No.: 203-702-7
MDL No.: MFCD00008228
Molecular Formula: $\boldsymbol{C_3H_{10}N_2,\ H_2N(CH_2)_3NH_2}$
Molecular Weight: 74.12
SMILES: NCCCN
HS Code: 2921220090
UN Number: UN 2269
IMDG Hazard Class: Class 3 Flammable Liquid + Subsidiary Class 8 Corrosive, Packing Group II
Signal Word: Danger

2. Physicochemical Properties

Appearance: Colorless transparent mobile liquid with strong characteristic pungent aliphatic amine odor; gradually darkens when exposed to air due to CO₂ absorption
Melting Point: -12 ~ -23.5 °C
Boiling Point: 133–140 °C (760 mmHg)
Density (20°C): 0.881–0.889 g/mL
Refractive Index n20/D: 1.4580–1.4610
Flash Point (closed cup): 49 °C (moderately flammable)
Autoignition Temperature: ~340 °C
Explosion Limit in Air: 1.5 ~ 12 vol%
Vapor Pressure: Low volatility at ambient temperature; vapor density = 2.5 (heavier than air)
Solubility: Infinitely miscible with water, ethanol, methanol, ether, chloroform, benzene, and most polar organic solvents; readily absorbs carbon dioxide from air to form solid carbonate precipitateFUJIFILM W...
Stability: Stable under anhydrous nitrogen-sealed dark storage; incompatible with strong oxidants, strong mineral acids, halogenated solvents, copper/zinc/aluminum alloys; reacts exothermically with acids to generate salts
Core Hazard Feature: Severe skin & eye corrosive; skin-absorbable toxic; strong respiratory irritant; skin sensitizer; vapor causes severe mucosal damage

3. Standard COA Technical Specifications

Industrial Epoxy Curing Agent Grade ≥98.0% (Main Bulk Grade)

Test Item	Standard Specification
Purity (GC Area%)	≥98.0 wt%
Color (APHA)	≤30 water-white pale liquid
Density (20°C)	0.881 ~ 0.889 g/mL
Refractive Index (20°C)	1.4580 ~ 1.4610
Moisture Content	≤0.10%
Monoamine Impurity	≤0.30%
Carbonate Content	≤0.05%
Evaporation Residue	≤0.005%
Heavy Metals (Pb)	≤10 ppm

High-Purity Synthetic Reagent Grade ≥99.0%

Ultra-low moisture, carbonate and monoamine impurities, for pharmaceutical heterocyclic synthesis, lab chelating agent preparation

4. Main Industrial Applications

1. Epoxy Resin Curing Agent (Largest Consumption)

Aliphatic diamine hardener for room-temperature cured epoxy coatings, anti-corrosion floor paint, two-component structural adhesive, casting resin, concrete repair mortar; provides high bonding strength and chemical resistance against acid/alkali media

2. Pharmaceutical & Veterinary Intermediate

Core building block for heterocyclic APIs, anti-inflammatory drugs, anti-parasitic veterinary agents, antibacterial pharmaceutical raw materials
Synthesis of polyamine chelating ligands for metal ion separation and medical contrast media

3. Agrochemical Intermediate

Precursor for fungicides, herbicide synergists, plant growth regulators; used to synthesize amine salt pesticide formulations with improved systemic absorption on crops

4. Water Treatment & Gas Purification

CO₂/H₂S absorbent for industrial flue gas desulfurization and carbon capture
Raw material for cationic polymer flocculants, heavy metal chelating precipitants for industrial wastewater treatment

5. Textile, Paper & Leather Auxiliary

Textile dye bath pH regulator, fiber softener and anti-static finishing agent
Paper wet strength resin crosslinker; leather tanning neutralizer and fatliquoring auxiliary

6. Laboratory Analytical Reagent

Diamine ligand for coordination chemistry research; standard substrate for imine/amide condensation, diazotization and cyclic synthesis experiments

5. Export Packaging & Storage Transportation

Standard Packing Options

Industrial bulk: 200L lined anti-static galvanized steel drum, nitrogen blanketing airtight cap, net weight ~176kg/drum
IBC composite anti-static plastic tank: 1000L for factory continuous feeding
Lab small packing: 1L / 2.5L amber pressure-resistant glass bottle vacuum nitrogen sealed

All pallets wrapped with waterproof light-shield stretch film for long ocean transit

Storage & Transit Mandatory Rules

Warehouse: Cool, dry, ventilated Class 3+8 dual-hazard chemical warehouse, storage temperature ≤25°C, humidity strictly controlled below 70%
Containers fully nitrogen-sealed to avoid air ingress, CO₂ absorption and carbonate precipitation
Strict segregate from oxidants, strong acids, halogenated solvents, food raw materials and edible goods
All loading/unloading equipment anti-static with mandatory grounding operation
Transport as IMDG UN 2269 Class 3 Flammable Liquid + Class 8 Corrosive PG II; avoid high-temperature cargo holds, rain leakage and mixed loading with acidic cargo during ocean shipment

6. GHS Full Hazard Statements & Mandatory PPE

Hazard Statements

H226: Flammable liquid and vapor
H302: Harmful if swallowed
H311: Toxic in contact with skin
H314: Causes severe irreversible skin burns and eye damage
H317: May cause allergic skin reaction (skin sensitizer)
H331: Toxic if inhaled
H335: May cause severe respiratory tract irritation via amine vapor inhalation
H412:

1,3-Propanediamine (1,3-Diaminopropane / PDA) CAS 109-76-2

1. Basic Info

IUPAC: Propane-1,3-diamine
Alias: Trimethylenediamine, 1,3-diaminopropane
CAS: 109-76-2
EINECS: 203-702-7
Formula: $\boldsymbol{C_3H_{10}N_2}$; $\boldsymbol{H_2N(CH_2)_3NH_2}$
Molecular weight: 74.12
HS code: 2921220090
UN No.: UN 2269
Hazard Class: 3 Flammable liquid + 8 Corrosive, PG II
Signal word: Danger

2. Physical & Chemical Properties

Appearance: Colorless clear liquid, strong fishy amine odor; turns yellowish/brown by absorbing CO₂ from air
Melting point: −23.5 ℃
Boiling point: 136–139 ℃
Density (20 ℃): 0.883–0.887 g/cm³
Refractive index n₂₀ᴰ: 1.4590–1.4605
Flash point (closed cup): 49 ℃
Miscibility: Unlimited miscible with water, alcohols, ethers, ketones; readily absorbs CO₂ to form insoluble propanediamine carbonate
Stability: Stable under nitrogen-sealed dark storage; incompatible with strong acids, oxidants, aluminum/copper/zinc metals, halogenated solvents
Hazards: Corrosive to skin/eyes, skin-absorbable toxic, respiratory irritant, skin sensitizer

3. COA Standard Specifications

Industrial Grade (Epoxy curing agent, ≥98.0%)

Item	Standard
Purity (GC)	≥98.0 wt%
Moisture	≤0.10%
Monoamine impurity	≤0.30%
Carbonate	≤0.05%
APHA color	≤30
Residue on evaporation	≤0.005%
Heavy metal (Pb)	≤10 ppm

High Purity Reagent Grade (≥99.0%)

Low water, low carbonate, ultra-light color, for pharmaceutical and fine chemical synthesis.

4. Main Applications

Epoxy resin curing agent (largest use)

Room-temperature hardener for anti-corrosion floor coatings, two-component structural adhesives, concrete repair mortar, casting epoxy; offers excellent acid/alkali resistance and high bonding strength.
Pharmaceutical & veterinary intermediates

Builds heterocyclic antibacterial, anti-parasitic drugs; raw material for metal chelating ligands for medical contrast agents.
Agrochemical intermediates

Precursor of fungicides, herbicide synergists, plant growth regulators.
Water treatment & gas purification

Absorbent for CO₂/H₂S in flue gas; cationic polymer monomer, heavy metal chelator for industrial wastewater.
Textile & leather auxiliaries

Dye bath pH adjuster, fiber antistatic softener, paper wet-strength resin crosslinker, leather neutralizer.
Lab analytical reagent

Bidentate amine ligand for coordination chemistry; raw material for imine, cyclic organic synthesis.

5. Packaging & Transport

Packaging

Bulk industrial: 200L lined anti-static steel drum, nitrogen blanketing, ~176kg/drum
IBC: 1000L anti-static composite plastic tank
Lab small pack: 1L / 2.5L amber glass bottle, vacuum nitrogen sealed

All pallets wrapped with waterproof light-shield film.

Storage rules

Cool, dry, ventilated warehouse ≤25 ℃, humidity <70%; fully sealed to avoid CO₂ intake; separate from acids, oxidants, food raw materials.

Transport rules

UN2269 Class3+8 dual hazardous goods PG II; dedicated hazardous chemical truck/tanker; no mixed loading with acid, food cargo; all equipment grounded anti-static.

6. GHS Hazard Statements

H226 Flammable liquid and vapor
H302 Harmful if swallowed
H311 Toxic in contact with skin
H314 Severe skin and eye burns
H317 May cause allergic skin reaction
H331 Toxic if inhaled
H335 Respiratory irritation
H412 Harmful to aquatic life with long lasting effects

Required PPE

Half-face respirator with organic/alkaline vapor filter; SCBA for tank transfer
Chemical goggles + full anti-splash face shield
Double-layer butyl nitrile gloves
Flame-retardant impermeable coveralls + chemical rubber boots
Local negative-pressure exhaust ventilation

First Aid

Skin: Remove contaminated clothes, flush soap & running water ≥30 min, seek hospital for alkali burn treatment
Eyes: Continuous clean water irrigation ≥30 min, urgent ophthalmic care
Inhalation: Move to fresh air, supply oxygen for dyspnea
Ingestion: Do not induce vomiting; drink plenty of milk/water and go to hospital with SDS

7. Export Documents Set

COA Certificate of Analysis
English SDS
Dangerous Goods Packaging Certificate
IMDG Maritime Dangerous Goods Declaration
Certificate of Origin
Trace impurity test report (for pharma/epoxy clients)

8. Trade Advantages

Two grades available: industrial bulk curing agent grade & high-purity lab reagent grade, low carbonate & moisture to prevent curing failure.
Nitrogen-sealed light-proof drums, no turbidity or carbonate precipitation during long sea transit.
Complete dual-hazard dangerous goods document set for smooth global customs clearance.
Flexible supply: trial drums, IBC tanks, full FCL container shipments.
Stable crosslinking activity, widely supplied to epoxy coating, adhesive, pharmaceutical and water treatment manufacturers worldwide.

Optional: Short English Development Email for Customer

Subject: 1,3-Propanediamine PDA CAS 109-76-2 High Purity Supply

Dear Sir/Madam,

This is Blake from Hengliyuan Import & Export Co., Ltd. We supply high quality 1,3-Propanediamine (1,3-Diaminopropane, PDA, CAS 109-76-2).

We have two grades:

Industrial grade ≥98.0%: Ideal as epoxy resin curing agent for anti-corrosion coating, structural adhesive, concrete repair mortar. Low moisture and carbonate to avoid curing defects.
High purity reagent grade ≥99.0%: For pharmaceutical heterocyclic intermediates, agrochemicals and water treatment chelating agents.

Specifications strictly controlled, packed with nitrogen blanketing steel drums to prevent discoloration and carbonate formation during ocean transport.

We provide full export documents including COA, English SDS, IMDG declaration and certificate of origin for smooth customs clearance. Flexible MOQ for trial orders and bulk FCL shipments.

If you have demand for epoxy curing agent or fine chemical intermediates, please send your required purity and quantity, we will offer competitive factory price promptly.

Best regards,

Blake Wang

Hengliyuan Import & Export Co., Ltd.

Certificates

Basic Info

Product Name:

1,3-Propanediamine

Other Name:

1,3-Propanediamine;1,3-Diaminopropane;1,3-Propylenediamine;Trimethylenediamine;1,3-Trimethylenediamine;DAP;3-Aminopropylamine;1,3-Diamino-n-propane;α,ω-Propanediamine;NSC 8154;54018-94-9;1628783-17-4

CAS No.:

109-76-2

Molecular Formula:

C3H10N2

InChIKeys:

InChIKey=XFNJVJPLKCPIBV-UHFFFAOYSA-N

Molecular Weight:

74.12

Exact Mass:

74.12

BRN:

605277

EC Number:

203-702-7

UNII:

CB3ISL56KG

NSC Number:

8154

UN Number:

2734

DSSTox ID:

DTXSID1021906

HScode:

29212900

Categories:

Amides

Characteristics

PSA:

XLogP3:

-1.43

Appearance:

Clear Liquid

Density:

0.8834 g/cm³ @ Temp: 20 °C

Melting Point:

54-55 °C

Boiling Point:

139.8 °C

Flash Point:

120 °F

Refractive Index:

n 20/D 1.458(lit.)

Water Solubility:

H2O: soluble

Storage Conditions:

Flammables area

Vapor Pressure:

<8 mm Hg ( 20 °C)

Vapor Density:

2.5 (NTP, 1992) (Relative to Air)

Toxicity:

Oral-Rat LD50: 350 mg/kg; Abdominal cavity-mouse LD50: 296 mg/kg

Flammability characteristics:

Combustible in case of fire, high temperature and strong oxidant; decomposes toxic nitrogen oxide gas upon heating

Explosive limit:

2.8-15.2%(V)

Air and Water Reactions:

Highly flammable. Water soluble.

Reactive Group:

Amines, Phosphines, and Pyridines

Reactivity Alerts:

Highly Flammable

Reactivity Profile:

1,3-DIAMINOPROPANE is heat sensitive. This compound may react with oxidizing agents. (NTP, 1992)

Autoignition Temperature:

680 °F (NTP, 1992)

See More 1,3-Propanediamine Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 3

Acute toxicity - Category 4, Oral

Acute toxicity - Category 2, Dermal

Skin corrosion, Sub-category 1B

Skin sensitization, Sub-category 1B

Serious eye damage, Category 1

Respiratory sensitization, Sub-category 1B

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H226 Flammable liquid and vapour H302 Harmful if swallowed H310 Fatal in contact with skin H314 Causes severe skin burns and eye damage H317 May cause an allergic skin reaction H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P262 Do not get in eyes, on skin, or on clothing. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P284 [In case of inadequate ventilation] wear respiratory protection.
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower]. P370+P378 In case of fire: Use ... to extinguish. P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P316 Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P361+P364 Take off immediately all contaminated clothing and wash it before reuse. 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P333+P317 If skin irritation or rash occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. 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. P342+P316 If experiencing respiratory symptoms: Get emergency medical help immediately.
Storage	P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.
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

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

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More 1,3-Propanediamine 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.

Inquiry History

2 Inquiries

Country	Product	Purchase Quantity	Date Posted
Jordan	1, 3-Diaminopropane	100 G	Apr 1, 2025
United States	1,3-Diaminopropane	500 KG	Oct 29, 2025

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