Trimethylamine (TMA) (Dimethylmethanamine)

Trimethylamine (TMA) (Dimethylmethanamine) Specification

Properties
Colorless, flammable, volatile, strongly alkaline

HS Code
29211990

Physical Form
Gas (liquid under pressure at low temperature)

Melting Point
-117 °C

Taste
Ammonia-like (not advisable for tasting)

Ingredients
Trimethylamine, may contain impurities

Refractive Rate
n/a (gas)

Product Type
Chemical Compound

Purity
99% min

Structural Formula
N(CH3)3

Application
Pharmaceuticals, explosives, ion-exchange resins, water treatment, rubber chemicals

Poisonous
Yes, toxic if inhaled or ingested

Storage
In tightly closed system, cool and well-ventilated place

Usage
Used as intermediate in synthesis, solvent, catalyst

CAS No
75-50-3

Density
0.658 Gram per cubic centimeter(g/cm3)

Molecular Weight
59.11 g/mol

Appearance
Colorless

Solubility
Soluble in water, ethanol, ether

EINECS No
200-877-2

Grade
Industrial, Laboratory

Shelf Life
2 years (properly stored)

Shape
Gas (Cylinders or Bulk)

Molecular Formula
C3H9N

Ph Level
Strong base, pH > 12 (aqueous solution)

Smell
Fishy, ammonia-like odor

Flash Point
-6.7 C (closed cup)

UN Number
1083

Synonyms
N,N-Dimethylmethanamine; TMA

Packaging
Steel cylinders, 100 kg net

Auto Ignition Temperature
430 C

Transport Information
Classified as hazardous for transport

Vapor Pressure
1940 mmHg at 20C

Exposure Limits
OSHA PEL: 10 ppm (TWA), ACGIH TLV: 5 ppm (TWA), 15 ppm (STEL)

Boiling Point
2.9 C

Manufacturers Standard
IS 5732:2001

Incompatibility
Strong oxidizing agents, acids

EC No
200-875-0

Stability
Stable under recommended storage conditions

Hazard Class
3 (Flammable Liquids)

Trimethylamine (TMA) (Dimethylmethanamine) Trade Information

Minimum Order Quantity
50 Kilograms

Payment Terms
Cash in Advance (CID)

Supply Ability
300 Kilograms Per Month

Delivery Time
1 Week

Sample Policy
Contact us for information regarding our sample policy

Main Export Market(s)
Asia

Main Domestic Market
All India

About Trimethylamine (TMA) (Dimethylmethanamine)

Trimethylamine (TMA) is the simplest tertiary aliphatic amine. Its responsible for the pungent odor given off by fish and other marine and aquatic animals. It is also a degradation product of plants that have high nitrogen contents and a distillation product of sugarbeet residues.

Versatile Industrial Applications

Trimethylamine is indispensable in various sectors, acting as a catalyst, solvent, and intermediate compound in the production of pharmaceuticals, explosives, ion-exchange resins, and specialty chemicals. It is sought after for applications ranging from water treatment to the rubber industry due to its strong alkalinity and chemical reactivity.

Careful Storage and Handling

As a highly flammable and toxic gas, Trimethylamine demands strict safety measures. Store it in steel cylinders in well-ventilated places, away from heat, acids, or oxidizing agents. Properly closed systems extend its shelf life up to 2 years and help ensure safe handling, minimizing the risk of leaks or accidental exposure.

Safety and Regulatory Compliance

Trimethylamine is classified as a Hazard Class 3 flammable liquid and requires adherence to strict occupational safety limits, with exposure controlled under OSHA and ACGIH guidelines (10 ppm and 5/15 ppm TWA/STEL). Its transportation is regulated by UN number 1083 and HS Code 29211990. Appropriate labeling and container use are essential for regulatory compliance.

FAQs of Trimethylamine (TMA) (Dimethylmethanamine):

Q: How should Trimethylamine be stored and handled for safety?

A: Trimethylamine must be stored in tightly closed steel cylinders in a cool, well-ventilated area. Avoid exposure to heat, open flames, strong acids, or oxidizers, as the gas is highly flammable and toxic. Use proper personal protective equipment and ensure handling occurs within closed systems to prevent leaks and accidental inhalation.

Q: What are the primary uses of Trimethylamine in industry?

A: Trimethylamine serves as a crucial intermediate in the synthesis of pharmaceuticals, explosives, ion-exchange resins, and water treatment chemicals. It is also employed as a solvent and catalyst within laboratory and industrial processes, particularly in the manufacture of rubber chemicals and specialty compounds.

Q: When is it necessary to monitor personal exposure to Trimethylamine?

A: Exposure should be monitored whenever workers handle TMA in confined or ventilated spaces, as the gas can be hazardous if inhaled. Both OSHA and ACGIH set exposure limits: OSHA PEL of 10 ppm (TWA) and ACGIH TLV of 5 ppm (TWA) with a 15 ppm short-term exposure limit (STEL). Continuous monitoring ensures safe work environments.

Q: Where is Trimethylamine most commonly exported and supplied from?

A: Trimethylamine is manufactured, exported, and supplied primarily from chemical manufacturers and suppliers in India, following recognized standards such as IS 5732:2001. It is packaged and shipped in accordance with international hazardous goods regulations, mainly in steel cylinders for bulk or industrial use.

Q: What is the process for transporting Trimethylamine safely?

A: Trimethylamine is classified as a hazardous material (UN 1083, Hazard Class 3) and must be transported in certified steel cylinders with proper labeling. It requires adherence to transport regulations for flammable and toxic substances, ensuring containers remain tightly sealed and upright, away from incompatible cargo like acids or oxidizers.

Q: How is Trimethylamine beneficial in water treatment and chemical synthesis?

A: In water treatment, TMA acts as a precursor for ion-exchange resins that help remove impurities and contaminants. In chemical synthesis, its strong alkalinity and reactivity make it a valuable intermediate or catalyst for forming more complex chemical products efficiently.

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