Methanamine

CH5N

methanamine

CAS74-89-5

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Identification

CAS Number
74-89-5
EC Number
200-820-0
UN Number
1061
Index Number
612-001-00-9
PubChem CID
6329

Physical-chemical properties

Molecular Formula
CH5N
Molar Mass
31.06 g/mol
IUPAC Name
methanamine

Chemical Identifiers

InChI
InChI=1S/CH5N/c1-2/h2H2,1H3
InChI Key
BAVYZALUXZFZLV-UHFFFAOYSA-N

Overview

Methanamine (CAS 74-89-5) is the simplest primary amine compound with the molecular formula CH5N and distinctive alkaline properties. This fundamental organic compound, also known as methylamine, represents the most basic member of the aliphatic amine family. With a molecular weight of 31.057 g/mol, methanamine exists as a colorless gas under standard conditions and exhibits strong basicity due to its nitrogen atom's lone pair of electrons. The compound readily dissolves in water, forming an alkaline solution, and demonstrates typical amine reactivity patterns including nucleophilic substitution and acid-base reactions. As a Class 2 ADR substance, methanamine requires careful handling protocols during transportation and storage. The compound is highly flammable and can form explosive mixtures with air at concentrations between 4.9% and 20.7%. Its strong ammonia-like odor serves as a natural warning indicator, though proper ventilation systems and gas detection equipment remain essential safety measures. The substance can cause irritation to eyes, skin, and respiratory system upon contact or inhalation. Methanamine serves critical roles across multiple industrial sectors. In pharmaceutical manufacturing, it functions as a key building block for various active pharmaceutical ingredients and intermediates. The chemical industry utilizes methanamine in pesticide production, particularly for herbicides and fungicides. Additionally, it plays an important role in manufacturing specialty chemicals including surfactants and corrosion inhibitors. Unlike simpler compounds such as nitrous oxide, methanamine's amine functionality enables complex synthetic transformations that make it invaluable for organic synthesis applications. OYSI provides reliable access to high-quality methanamine for European industrial customers, supporting diverse manufacturing and research applications across the continent.

Safety & Classification

No Hazard Classification

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

Transport (ADR)

UN Number1061
ADR Class2
Packing Group
Tunnel CodeB/D
Proper Shipping NameMethylamin, wasserfrei, unter Druck verflüssigt
Marine PollutantNo

Frequently Asked Questions

What is methanamine?

Methanamine is the simplest primary amine with the chemical formula CH5N and molecular weight of 31.057 g/mol. Also known as methylamine, it consists of a methyl group attached to an amino group. This colorless gas is highly soluble in water and has a strong fishy odor. It serves as a fundamental building block in organic chemistry and is widely used in industrial synthesis processes.

What are the physicochemical properties of methanamine?

Methanamine is a colorless gas at room temperature with a characteristic strong, fishy ammonia-like odor. It has excellent water solubility and can form concentrated aqueous solutions. The compound has a boiling point of -6.3°C and is lighter than air. It readily forms salts with acids and can exist as anhydrous gas or in aqueous solution form for various applications.

What is methanamine used for?

Methanamine is primarily used as an intermediate in pharmaceutical manufacturing, pesticide production, and synthesis of various organic compounds. It serves as a key raw material for producing epinephrine, ephedrine, and other medications. Industrial applications include manufacturing surfactants, solvents, and fuel additives. It's also used in water treatment processes and as a building block for specialty chemicals in various industries.

How to handle methanamine safely?

Methanamine requires careful handling using appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection in enclosed areas. Work in well-ventilated spaces or under fume hoods to prevent inhalation. Avoid contact with skin and eyes, and eliminate ignition sources as it can form flammable mixtures with air. Use proper grounding procedures during transfer operations.

How to store methanamine correctly?

Methanamine should be stored in cool, dry, well-ventilated areas away from heat sources and incompatible materials. Keep containers tightly sealed and avoid storage near oxidizing agents, acids, and strong bases. Maintain storage temperatures below 25°C and ensure proper labeling. Use appropriate pressure-rated containers for gaseous form and follow local regulations for quantity limitations in storage facilities.

What to do in case of contact with methanamine?

Methanamine exposure requires immediate action: for skin contact, wash thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes and seek medical attention. If inhaled, move to fresh air immediately. Remove contaminated clothing and wash before reuse. Seek medical advice if irritation persists or if large amounts were involved.

How to dispose of methanamine properly?

Methanamine disposal must comply with local environmental regulations and waste management guidelines. Contact licensed waste disposal companies for proper treatment and disposal. Small quantities can often be neutralized under controlled conditions, but this should only be done by qualified personnel. Never discharge directly to sewers, waterways, or soil. Maintain proper documentation for waste disposal tracking and regulatory compliance.

How to transport methanamine?

Methanamine is classified under ADR Class 2 (gases) for transportation purposes. It requires specialized packaging and labeling according to dangerous goods regulations. Transportation must be carried out by certified carriers with proper vehicle equipment and documentation. Ensure containers are properly secured and marked with appropriate hazard labels during shipping and handling operations.

Is methanamine subject to specific regulations?

Methanamine is regulated under various chemical safety frameworks including REACH registration requirements in Europe. It must comply with CLP regulation for classification and labeling, though current data indicates no specific hazard classification. Users must follow occupational exposure limits and workplace safety regulations. Regular safety data sheet updates and proper chemical inventory management are required for compliance.

Where to buy methanamine in Europe?

Methanamine is available through OYSI, a reliable European distributor of technical chemicals serving various industries across the continent. OYSI provides quality chemical products with proper documentation and regulatory compliance support. Contact OYSI directly for availability, technical specifications, and delivery options tailored to your specific requirements and location within Europe.

Data Sources

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