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Anhydrous Dimethylamine cas no 124-40-3

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CAS No.:

124-40-3

Grade:

Industrial Grade

Content:

99%

Port:

qingdao

Brand:

hly

Packaging:

ISO tank

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.

----------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.

Complete Product Details – Dimethylamine Anhydrous / Aqueous Solution CAS 124-40-3

1. Basic Identification Information

CAS No.: 124-40-3

Chemical Name: Dimethylamine

Abbreviation: DMA

Synonyms: N-Methylmethanamine, Dimethylamine Anhydrous

EINECS No.: 204-697-4

Molecular Formula: C₂H₇N / (CH₃)₂NH

Molecular Weight: 45.08

SMILES: CN(C)C

UN Number: UN 1032 (anhydrous); UN 1160 (aqueous solution)

HS Code: 29211100

Hazard Classification:

Anhydrous DMA: Class 2.1 Flammable Gas, Packing Group I
Aqueous DMA Solution: Class 3 Flammable Liquid + Class 8 Corrosive Substance, PG II

Chemical Category: Aliphatic secondary amine, strong alkaline organic amine, alkylation intermediate

2. Physical & Chemical Properties

Appearance

Anhydrous dimethylamine: Colorless gas at normal temperature, extremely pungent fishy ammonia odor; liquefied under pressure into transparent low-boiling liquid.
40% Aqueous dimethylamine solution (main export grade): Colorless transparent liquid with strong amine odor.

Core Physical Constants

Melting Point: -92.2 ℃
Boiling Point (anhydrous): 7.4 ℃ (highly volatile)
Density (40% aqueous solution, 20℃): 0.890–0.900 g/mL
Refractive Index n₂₀/D (40% liquid): 1.360–1.365
Closed Cup Flash Point (40% solution): -12 ℃
Explosion limit in air: 2.8% ~ 14.4% (V/V)
Solubility: Miscible with water, ethanol, methanol, acetone; slightly soluble in ether; insoluble in aliphatic hydrocarbons.
pH (1% aqueous solution): 12.0–13.0, strong alkalinity

Key Chemical Characteristics

Strong secondary amine alkalinity, reacts with inorganic/organic acids to generate dimethylamine salts (dimethylamine hydrochloride, dimethylamine sulfate).
High alkylation activity: Reacts with alkyl halides, carbonyl compounds, epoxides to produce tertiary amides, surfactants, pesticide intermediates.
Volatile and flammable; vapor forms explosive mixture with air; lighter than air, gas accumulates at low ground.
Corrosive to skin, eyes, respiratory tract; severe irritation and chemical burns upon contact.
Easy to oxidize under high temperature and air exposure; incompatible with strong oxidants, strong acids, halogens.

3. Export Industrial Quality Specifications

Spec 1: 40% Dimethylamine Aqueous Solution (Mainstream Export Grade)

Test Item	Standard Spec	Test Method
Dimethylamine Content	39.0–41.0 %	Acid-Base Titration
Monomethylamine Impurity	≤0.10 %	GC Gas Chromatography
Trimethylamine Impurity	≤0.10 %	GC
Ammonia	≤0.05 %	Titration
Moisture (Balance)	Balance	Calculation
Color (Hazen)	≤10	Platinum-Cobalt Colorimetry
Appearance	Colorless clear liquid without turbidity	Visual Inspection

Spec 2: Anhydrous Dimethylamine Gas (99.5% Min)

DMA ≥99.5%, NH3 ≤0.03%, MMA ≤0.1%, TMA ≤0.1%, water ≤0.05%, filled in pressure steel cylinders.

High-Purity Pharma Grade

Ultra-low heavy metals (Pb, As <1 ppm), low volatile impurities, specially for API & peptide synthesis.

4. Main Industrial Applications

4.1 Pesticide & Agrochemical Intermediates (Largest Consumption)

Raw material for herbicides: glyphosate, dimethylamine salt herbicides, sulfonylurea herbicides.
Intermediate for fungicides, insecticides, plant growth regulators; synthesize dimethylamino-containing heterocyclic pesticide skeletons.

4.2 Pharmaceutical & Peptide Synthesis

Amine alkylation reagent for antihistamines, antibiotics, cardiovascular APIs, steroid drugs.
Key raw material for amide side chain construction in solid-phase peptide synthesis.
Manufacture of dimethylamine hydrochloride for fine chiral drug resolution.

4.3 Surfactant & Daily Chemical Industry

Raw material for dimethyl dodecyl amine, fatty dimethyl tertiary amines, cationic quaternary ammonium salt surfactants (disinfectant, softener, flotation agent).
Raw material for detergent, shampoo, industrial emulsifier, water treatment bactericide.

4.4 Rubber & Textile Additives

Vulcanization accelerator, rubber antioxidant synthesis raw material.
Textile dye levelling agent, printing auxiliary, fiber softener intermediate.

4.5 Water Treatment & Fine Chemicals

Heavy metal chelating agent, scale inhibitor, wastewater flocculant monomer.
Organic solvent, polyurethane catalyst, epoxy curing agent auxiliary.
Raw material for dimethylformamide (DMF), dimethylacetamide solvent production.

5. Safety, Packaging, Storage & Transportation Rules

GHS Hazard Statements

Flammable gas/liquid Category 1
Skin Corrosion Category 1B, Serious Eye Damage Category 1
Acute Inhalation Toxicity Category 3

Signal Word: Danger

Hazard Codes: H220/H224, H314, H331

Export Packaging Options

40% aqueous solution: 200L lined steel drum; 1000L IBC tote tank for bulk FCL.
Anhydrous DMA: Seamless pressure steel cylinder (200kg/cylinder), nitrogen cushion filling.
Small trial packing: 25L plastic-lined iron drum.

Storage Requirements

Store in independent cool, ventilated flammable corrosive chemical warehouse, temperature ≤25 ℃, away from open flame, static electricity and heat sources.
Isolate separately from strong acids, oxidants, halogens, food raw materials.
Warehouse equipped with explosion-proof ventilation, alkali-resistant PPE, gas leakage alarm, dry powder fire extinguisher (water spray prohibited).
Seal tightly to prevent volatile amine gas leakage.

Transportation Regulation

40% DMA aqueous solution: UN1160, Class 3 flammable liquid + Class 8 corrosive goods, PG II
Anhydrous DMA gas: UN1032, Class 2.1 flammable compressed gas, PG I
Full waterproof & anti-static protection during transit; no mixed loading with acid, oxidants, edible chemicals.
Complete export documents supplied: COA, MSDS, TDS, marine dangerous goods declaration, hazard identification report.

6. E-commerce Listing Copy (Direct Copy for Echemi / Alibaba)

Product Title

Dimethylamine DMA CAS 124-40-3 40% Aqueous Solution Strong Alkaline Amine Intermediate for Pesticide Surfactant Pharmaceutical Peptide Synthesis

Short Description

Dimethylamine (DMA, CAS 124-40-3) 40% colorless alkaline liquid with high alkylation activity. Widely used as core intermediate for herbicides, cationic surfactants, pharmaceutical APIs and solid-phase peptide synthesis. Full set of export hazardous documents including COA, MSDS and TDS available for global shipment.

Full Listing Description

Dimethylamine (DMA, N-Methylmethanamine) with CAS registry number 124-40-3 is a vital aliphatic secondary amine, mainly supplied as standard 40% aqueous solution complying with export industrial grade. It features strong alkalinity and excellent alkylation capacity to produce amines, amides and quaternary ammonium derivatives.

Major downstream sectors include agrochemical manufacturing for dimethylamine salt herbicides; daily chemical cationic surfactant production; pharmaceutical fine synthesis and peptide side-chain modification; rubber vulcanization accelerators and water treatment bactericide raw material. We also offer 99.5% high-purity anhydrous dimethylamine compressed gas for special synthesis scenarios.

Flexible packaging covers 200L lined steel drums, 1000L IBC tanks and pressure steel cylinders for bulk orders. Classified as UN1160 flammable & corrosive dangerous goods, we provide full official customs clearance papers to support sea & land delivery worldwide with stable mass supply capacity.

7. Printable Export COA Template

CERTIFICATE OF ANALYSIS

Product Name: 40% Dimethylamine Aqueous Solution

CAS No.: 124-40-3

Grade: Export Industrial Premium Grade

Batch No.
Net Weight: 200kg/drum

Manufacture Date

Test Item	Standard Spec	Test Result	Test Method
Dimethylamine Assay	39.0–41.0 %		Acid-Base Titration
Monomethylamine (MMA)	≤0.10 %		GC
Trimethylamine (TMA)	≤0.10 %		GC
Ammonia Impurity	≤0.05 %		Titration
Color (Hazen)	≤10		Platinum-Cobalt Colorimetry
Appearance	Colorless clear liquid without sediment	Visual Inspection

Conclusion: This batch meets export premium standard of 40% Dimethylamine Solution.

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ECHEMI Editorial Reference

Colorless gas with an ammonia- or fish-like odor. [Note: A liquid below 44°F. Shipped as a liquefied compressed gas.]

Certificates

Basic Info

Product Name:

Dimethylamine

Other Name:

Methanamine,N-methyl-;Dimethylamine;N-Methylmethanamine;N,N-Dimethylamine;NSC 8650

CAS No.:

124-40-3

Molecular Formula:

C2H7N

InChIKeys:

InChIKey=ROSDSFDQCJNGOL-UHFFFAOYSA-N

Molecular Weight:

45.08

Exact Mass:

45.08

BRN:

605257

EC Number:

204-697-4

HScode:

2921110010

Categories:

Amides

Characteristics

PSA:

XLogP3:

-0.2

Appearance:

Clear slightly yellow Solution

Density:

0.6804 g/cm³ @ Temp: 0 °C

Melting Point:

-92.2 °C

Boiling Point:

6.8 °C

Flash Point:

60 °F

Refractive Index:

n20/D 1.37

Water Solubility:

Miscible with water and most organic solvents.

Storage Conditions:

Flammables area

Vapor Pressure:

16.97 psi ( 55 °C)

Vapor Density:

1.55 (vs air)

Toxicity:

Oral-Rat LD50: 698 mg/kg; Oral-Mouse LD50: 316 mg/kg

Flammability characteristics:

Inflammable in case of open flame, high temperature, oxidant; burning produces toxic nitrogen oxide fumes

Explosive limit:

14.4%

Odor:

... Ammonia or fish-like odor ...

PH:

Aqueous solutions of dimethylamine are highly alkaline, like ammonia

See More Dimethylamine Properties 

Hazard Identification

Classification of the substance or mixture

Gases under pressure: Liquefied gas

Flammable gases, Category 1A, Flammable gas

Skin irritation, Category 2

Serious eye damage, Category 1

Acute toxicity - Category 4, Inhalation

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H220 Extremely flammable gas H315 Causes skin irritation H318 Causes serious eye damage H332 Harmful if inhaled H335 May cause respiratory irritation
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely. P381 In case of leakage, eliminate all ignition sources. P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation 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. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P410+P403 Protect from sunlight. Store in a well-ventilated place. P403 Store in a well-ventilated place. P403+P233 Store in a well-ventilated place. Keep container tightly closed. 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

NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. 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.They are extremely flammable products that should be stored in a well-ventilated area and protected from fire risk. Methylamines

See More Dimethylamine 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

14 Inquiries

Country	Product	Purchase Quantity	Date Posted
Hongkong, China	Dimethylamine absolute in Tetrahydrofuran	0.5 L	Jun 24, 2026
Netherlands	dimethylamine	1 MT	Jul 31, 2025
Netherlands	Dimethylamine in THF	1 L	Jul 29, 2025
India	Dimethyl amine (40% solution)	1 MT	Jun 23, 2026
Pakistan	Di methyl Amin	1000 KG	Nov 18, 2025
Netherlands	Dimethylamine	100 G	Aug 3, 2025
Netherlands	Dimethylamine absolute in Tetrahydrofuran	0.5 L	Aug 2, 2025
Netherlands	Dimethylamine anhydrous 99.9	1 L	Jul 7, 2025
India	Dimethylamine	16.00 TON	Jul 4, 2025
Pakistan	Di-Methyal	50.00 KG	May 9, 2025
Hongkong, China	Dimethylamine absolute in Tetrahydrofuran	0.1 L	Jun 21, 2026
India	Dimethyl Amine	2 40' Fcl	Oct 15, 2025
Netherlands	dimethylamine absolute in Tetrahydrofuran	1 KG	Aug 4, 2025
Netherlands	Dimethylamine	1 L	Aug 1, 2025

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