Monomethylamine
| Abbreviation | m-MA |
|---|---|
| Plant | Niigata |
| Main Applications | Rubber vulcanization accelerator, pharmaceuticals, photographic chemicals, dye compound |
| Existing Chemical Substance No. | (2)-129 |
Properties
| 100%m-MA | 40%m-MA | |
|---|---|---|
| Chemical Formula | CH3NH2 | |
| Molecular Weight | 31.06 | |
| Appearance | Colorless gas (under room temperature & atomospheric pressure) Colorless transparent liquid (liquified under pressure) |
Colorless transparent liquid |
| Odor | Fishy smell | |
| Specific Gravity (liquid 20℃/4℃) | 0.67 | 0.902 |
| Boiling Point (℃ 760mmHg) | -6.33 | 44 |
| Freezing Point (℃ 760mmHg) | -93.5 | -38 |
| Flash Point (℃ Tagliabue (Tag) Closed Cup) | 0 | -10.8 |
| Ignition Temperature (℃) | 430 | 430 (Monomethylamine) |
| Flammability Limits (vol%) | 4.9~20.7 | 4.95~20.75 |
| Vapour Pressure (mmHg 25℃) | 2204 | 294（20℃） |
| Viscosity (CP 25℃) | 0.176 | No data |
| Solubility | 42.5wt% (40℃ 1atm) in water | Readily soluble in water |
| Stability& Reactivity |
Water solution is strongly basic; reacts violently with acids; corrodes aluminum, zinc and copper. Reaction with mercury produces an impact-sensitive product. Reacts with strong oxidizing compounds. | |
Applicable Laws
| 100%m-MA | 40%m-MA | |
|---|---|---|
| Industrial Safety and Health Law | Combustible Gas, Chemical Facilities | Inflammable Substance, Chemical Facilities |
| High Pressure Gas | High Pressure Gas, Liquefied Gas, Combustible Gas, Toxic Gas | － |
| Fire Service Law | － | Class 4 Petroleum No.1 water soluble |
| Poisonous and Deleterious Substances Control Law | Deleterious substance | － |
| Law on the Prevention of Marine Pollution and Maritime Disaster | － | Hazardous fluid material class C |
| Ship Safety Law | High Pressure Gas | Inflammable liquids |
| Civil Aeronautics Law | High Pressure Gas | Inflammable liquid |
| Other Major Applicable Laws | － | |
Classification of Hazard
| 100%m-MA | 40%m-MA | |
|---|---|---|
| Classification | High Pressure Gas, Combustible Gas, Acute Toxicity Substance | Inflammable liquid |
| Hazardous | High Pressure Liquefied Gas and Inflammable | Inflammable liquid |
| Harmful | Severely irritates the skin and the mucosa upon contact; may cause chemical burns; repeated exposure may cause CNS disorder, headaches, anaemia, elevation of blood pressure, agitation, etc. Inhalation in high concentrations (vapour density 40%) may cause edema of the lungs. | |
Product Standard
| 100%m-MA | 40%m-MA | |
|---|---|---|
| Monomethylamine (%) | No less than 99.0 | 40.0~42.0 |
| Dimethylamine (%) | 0.2 or less | 0.1 or less |
| Trimethylamine (%) | 0.2 or less | 0.1 or less |
| Ammonia (%) | 0.0 or less | |
| Water (%) | 0.1 or less | |
Inquiries Concerning Products
Green Energy & Chemicals Business Sector
C1 Chemicals Division
Organic Chemicals Department
TEL：+81-3-3283-4779 / FAX：+81-3-3214-0930