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Methylamine  formula of CH3NH2










                                                                                                                  Chemicals  Methylamine

CAS number 74-89-5

Methylamine CAS number 74-89-5
anhydrous gas Methylamine is the organic compound with a formula of CH3NH2. This colour less gas is a derivative of ammonia, wherein one H atom is replaced by a methyl group.

It is the simplest primary amine. It is sold as a solution in methanol, ethanol, THF, and water, or as the anhydrous gas in pressurized metal containers. Industrially methylamine is sold in its anhydrous form in pressurized railcars and tank trailers. It has a strong odour similar to fish. Methylamine is used as a building block for the synthesis of many other commercially available compounds


Synonyms: monomethylamine, aminomethane, carbinamine, mercurialin Use:
Molecular formula: CH3NH2
CAS No: 74-89-5
SPECIFIC VOLUME 12.10 ft3 / lb
EC No: 200-820-0
Annex I Index No: 612-001-00-9
Molecular shape tetrahedral
Dipole moment 1.31 D (gas)

Physical data

Appearance: colourless gas (or solution in water or methanol)
Melting point: -93 C
Boiling point: -6 C
Vapour density:
Vapour pressure: 1396 mm Hg at 20 C
Density (g cm-3):
Flash point: 8 C
Explosion limits: 4.9 - 20.7 %
Autoignition temperature: 429 C
Water solubility:


Stable. Highly flammable. Note wide explosion limits. Incompatible with oxidizing agents, acids, alkalies, alkaline earth metals, copper and its alloys, zinc and its alloys.


Harmful if inhaled. Eye contact may lead to serious damage. Skin and respiratory irritant. Very destructive of mucous membranes. Typical STEL 10 ppm. Corrosive - direct skin or eye contact may cause burns.

Toxicity data
IHL-RAT LC50 448 ppm/2h
ORL-RAT LD50 100 mg kgRisk phrases R12 R20 R37 R38 R41.

Personal protection

Safety glasses, good ventilation. Remove sources of ignition from the working area.

Methyl·aminea colorless, flammable gas, CHNH, that smells like ammonia and is usually prepared synthetically by heating methanol with ammonia under pressure in the presence of a catalyst: it is used in the manufacture of dyes, pharmaceuticals, insecticides, etc.

Reactivity and applications
Methylamine is a good nucleophile

In chemistry, a nucleophile is a reagent that forms a chemical bond to its reaction partner by donating both bonding electrons. Because nucleophiles donate electrons, they are by definition Lewis bases ....
as it is highly basic and unhindered. Its use in organic chemistry

Organic chemistry is a discipline within chemistry which involves the science study of the structure, properties, composition, chemical reaction, and preparation of chemical compounds that contain carbon is pervasive. Some reactions involving simple reagents include: with phosgene to methyl isocyanate

Methyl isocyanate is an organic compound with the molecular formula C2H3NO, arranged as H3C-N=C=O. Synonyms are isocyanatomethane, methyl carbylamine,

Carbon disulfide is a colorless, volatile liquid with the chemical formula CS2. The compound is used frequently as a building block in organic chemistry as well as an industrial and chemical non-polar solvent and sodium hydroxide, also known as lye, caustic soda and sodium hydrate, is a caustic metallic Base . Sodium hydroxide forms a strong alkaline solution when dissolved in a solvent such as water, however, only the hydroxide ion is basic to the sodium methyldithiocarbamate, with chloroform and base to methyl isocyanide

An isocyanide is an organic compound with the functional group R-N=C. The CN functionality is connected to the organic fragment via the nitrogen atom, not via carbon as is found in the isomeric nitriles, which have the connectivity R-C=N and with ethylene oxide

Ethylene oxide is the organic compound with the chemical formula C2H4O. This colorless flammable gas with a faintly sweet odor is the simplest epoxide, a three-membered ring consisting of two carbon and one oxygen atom to methylethanolamines.

Ephedrine is a sympathomimetic amine commonly used as a stimulant, appetite suppressant, concentration aid, decongestant, and to treat hypotension associated with anaesthesia and theophylline

Theophylline, also known as dimethylxanthine, is a methylxanthine drug used in therapy for respiratory diseases such as COPD or asthma under a variety of brand names , the pesticides carbofuran

Carbofuran is one of the most toxic carbamate pesticides. It is marketed under the trade names Furadan, by FMC Corporation and Curater, among several others , carbaryl

Metham sodium is a soil fumigant used as a pesticide, herbicide, and fungicide.

N-Methyl-2-pyrrolidone is a chemical compound with 5-membered lactam structure. It is a clear to slightly yellow liquid miscible with water and solvents like ethyl acetate, chloroform, benzene and lower alcohols or ketones.

The preparation of some surfactants and photographic developers require methylamine as a building block.

Liquid methylamine can be used as a solvent analogous to liquid ammonia. Ammonia is a chemical compound with the chemical formula nitrogenhydrogen. It is normally encountered as a gas with a characteristic pungent odor. It shares some of the properties of liquid ammonia, but is better for dissolving organic substances, in the same way that methanol

Methanol, also known as methyl alcohol, carbinol, wood alcohol, wood naphtha or wood spirits, is a chemical compound with chemical formula carbonhydrogen3oxygenhydrogen is better than water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam.

Biological chemistry

Methylamine arises naturally as the result of putrefaction. Putrefaction is the decomposition of animal proteins, especially by Anaerobic organism, described as putrefying bacteria. Decomposition is a more general process....
and is a substrate for methanogenesis

Methanogenesis or biomethanation is the formation of methane by microbes known as methanogens. Organisms capable of producing methane have been identified only from the Kingdom Archaea, a group Phylogenetics distinct from both eukaryotes and bacteria, although many live in close association with anaerobic bacteria It serves as a buffering agent

A buffering agent adjusts the pH of a solution. The function of a buffering agent is to drive an acidic or basic solution to a certain pH state and prevent a change in this pH in the lumen of the chloroplast

Chloroplasts are organelles found in plant cells and other eukaryote organisms that conduct photosynthesis. Chloroplasts capture light energy to conserve Thermodynamic free energy in the form of Adenosine triphosphate and reduce NADP to NADPH through a complex set of processes called photosynthesis in plants, effectively siphoning off protons that are heading for ATP synthase

An ATP synthase is a general term for an enzyme that can synthesize adenosine triphosphate from adenosine diphosphate and inorganic phosphate by using some form of energy.


Note /Government Notification: These chemicals are designated as those that are used in the manufacture of the controlled substances and are important to the manufacture of the substances. For any (Control Substance) products Import and Export *** subjected to your country government laws /control substance ACT.
Information: The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS). MSDS forms can be downloaded from the web sites of many chemical suppliers. ,also that the information on the PTCL Safety web site, where this page was hosted, has been copied onto many other sites, often without permission. If you have any doubts about the veracity of the information that you are viewing, or have any queries, please check the URL that your web browser displays for this page. If the URL begins " Benzoate.htm/" the page is maintained by the Safety Officer in Physical Chemistry at Oxford University. If not, this page is a copy made by some other person and we have no responsibility for it.
The Controlled Substances Act (CSA) was enacted into law by the Congress of the United States as Title II of the Comprehensive Drug Abuse Prevention and Control Act of 1970.[1] The CSA is the federal U.S. drug policy under which the manufacture, importation, possession, use and distribution of certain substances is regulated. The Act also served as the national implementing legislation for the Single Convention on Narcotic Drugs

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