74-82-8
74-82-8 structure
- Name: METHANE
- Chemical Name: methane
- CAS Number: 74-82-8
- Molecular Formula: CH4
- Molecular Weight: 16.04250
- Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Acyclic hydrocarbon
- Create Date: 2018-08-14 18:25:15
- Modify Date: 2025-08-20 10:15:47
| Name | methane |
|---|---|
| Synonyms |
EINECS 200-812-7
methane MFCD00008279 |
| Density | 0.716 g/mL at 25 °C(lit.) |
|---|---|
| Boiling Point | −161 °C(lit.) |
| Melting Point | −183 °C(lit.) |
| Molecular Formula | CH4 |
| Molecular Weight | 16.04250 |
| Flash Point | -188 ºC |
| Exact Mass | 16.03130 |
| LogP | 0.63610 |
| Vapour density | 0.55 (vs air) |
| Stability | Stable. Extremely flammable - note low flash point; mixtures with air constitute an explosion hazard. Reacts violently with interhalogens. Incompatible with strong oxidizing agents, halogens, interhalogens, oxygen. |
| Symbol |
GHS02, GHS04 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H220-H280 |
| Precautionary Statements | P210-P377-P381-P410 + P403 |
| Personal Protective Equipment | Eyeshields;Faceshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US) |
| Hazard Codes | F+ |
| Risk Phrases | 12 |
| Safety Phrases | 9-16-33 |
| RIDADR | UN 1971 2.1 |
| WGK Germany | - |
| RTECS | PA1490000 |
| Precursor 1 | |
|---|---|
| DownStream 2 | |
