N-methylmethanamine

C2H7N

CAS124-40-3

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Identification

CAS Number
124-40-3
EC Number
204-697-4
UN Number
1032
Index Number
612-001-00-9
PubChem CID
674

Physical-chemical properties

Molecular Formula
C2H7N
Molar Mass
45.08 g/mol
IUPAC Name
N-methylmethanamine

Chemical Identifiers

InChI
InChI=1S/C2H7N/c1-3-2/h3H,1-2H3
InChI Key
ROSDSFDQCJNGOL-UHFFFAOYSA-N

Overview

N-methylmethanamine (CAS 124-40-3) is a secondary aliphatic amine with a characteristic ammonia-like odor and high reactivity toward electrophiles. N-methylmethanamine, also known as dimethylamine, represents one of the most important methylated derivatives of ammonia in industrial chemistry. This colorless gas at room temperature belongs to the secondary amine family, characterized by two methyl groups attached to a central nitrogen atom. With its molecular formula C2H7N and relatively low molecular weight of 45.08 g/mol, this compound exhibits significant volatility and high water solubility, making it both versatile and requiring careful handling procedures. The compound's chemical properties stem from the presence of the lone pair of electrons on the nitrogen atom, which confers strong nucleophilic character and basicity. Unlike simpler compounds such as nitrous oxide, N-methylmethanamine readily participates in alkylation reactions, condensation processes, and serves as a building block for more complex nitrogen-containing molecules. Its classification under ADR Class 2 reflects its gaseous nature and associated transportation considerations. Industrial applications of N-methylmethanamine span multiple sectors, with significant use in pharmaceutical synthesis as an intermediate for active pharmaceutical ingredients, particularly in the production of antihistamines and local anesthetics. The agricultural industry utilizes this compound in the manufacture of herbicides and pesticides, while the polymer industry employs it in the synthesis of specialty resins and foam stabilizers. The compound also finds application in the production of surfactants, corrosion inhibitors, and as a catalyst in various organic transformations. Its reactivity profile makes it valuable in the synthesis of quaternary ammonium compounds and other specialty chemicals. OYSI maintains reliable supply chains for N-methylmethanamine across European markets, supporting diverse industrial applications with consistent quality standards.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Transport (ADR)

UN Number1032
ADR Class2
Packing Group
Tunnel CodeB/D
Proper Shipping NameDimethylamin, wasserfrei, unter Druck verflüssigt
Marine PollutantNo

Frequently Asked Questions

What is N-methylmethanamine?

N-methylmethanamine is an organic compound with the molecular formula C2H7N and a molar mass of 45.08 g/mol. Also known as dimethylamine, it is a secondary amine consisting of two methyl groups attached to a nitrogen atom. This colorless gas is highly soluble in water and exhibits basic properties due to the presence of the nitrogen atom with a lone pair of electrons.

What are the physicochemical properties of N-methylmethanamine?

N-methylmethanamine is a colorless gas at room temperature with a characteristic fishy, ammonia-like odor. It has a boiling point of approximately 7°C and is highly soluble in water, forming basic solutions. The compound is lighter than air and can be easily liquefied under pressure. It exhibits typical properties of secondary amines, including basicity and nucleophilic reactivity.

What is N-methylmethanamine used for?

N-methylmethanamine is primarily used as an intermediate in chemical synthesis, particularly in the production of pharmaceuticals, pesticides, and surfactants. It serves as a building block for manufacturing various chemicals including solvents, rubber accelerators, and fuel additives. The compound is also utilized in the production of dimethylformamide (DMF) and other industrial chemicals requiring dimethylamine as a precursor.

How to handle N-methylmethanamine safely?

N-methylmethanamine requires careful handling with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation of vapors. Avoid contact with skin and eyes, and ensure proper grounding to prevent static electricity buildup. Keep away from heat sources, sparks, and open flames.

How to store N-methylmethanamine correctly?

N-methylmethanamine should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and ignition sources. Store in appropriate pressure vessels designed for compressed gases if in gaseous form. Keep containers upright and secure to prevent tipping. Avoid storage near oxidizing agents, acids, and incompatible materials. Ensure storage area has appropriate fire suppression systems.

What to do in case of contact with N-methylmethanamine?

N-methylmethanamine contact requires immediate action: for skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water. In case of eye contact, flush immediately with clean water for at least 15 minutes and seek medical attention. If inhaled, move person to fresh air immediately and provide oxygen if breathing is difficult. Seek medical attention for all exposure incidents.

How to dispose of N-methylmethanamine appropriately?

N-methylmethanamine disposal must comply with local and national waste regulations. Contact licensed waste disposal companies specialized in chemical waste management. Small quantities can be neutralized with dilute acids under controlled conditions by trained personnel. Never discharge directly into sewers, waterways, or soil. Ensure proper documentation of waste disposal according to regulatory requirements and maintain disposal records.

How to transport N-methylmethanamine?

N-methylmethanamine is classified under ADR Class 2 (gases) for transportation purposes. It must be transported in approved pressure vessels or cylinders meeting UN specifications. Vehicles must display appropriate hazard placards and carry emergency response information. Drivers require ADR certification for dangerous goods transport. Ensure proper securing of containers and compliance with routing restrictions and tunnel codes.

Is N-methylmethanamine subject to specific regulations?

N-methylmethanamine is subject to various chemical regulations including REACH registration requirements in Europe. It must comply with CLP regulation for classification, labeling, and packaging. The substance is not currently listed as an SVHC (Substance of Very High Concern). Users must maintain safety data sheets and ensure proper risk assessments are conducted according to applicable chemical safety legislation.

Where to buy N-methylmethanamine in Europe?

N-methylmethanamine is available through OYSI, a European distributor of chemical products. OYSI provides reliable supply chains across Europe with proper documentation and regulatory compliance. Contact OYSI directly for availability, specifications, and delivery options. Ensure your intended use complies with local regulations and that you have appropriate facilities and permits for handling this chemical compound.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.