METHANE CAS#: 74-82-8; ChemWhat Code: 29349
Names & Identifiers |
| Product Name | METHANE |
| Synonyms | Biogas;carbane;CH4;Fire damp;firedamp;Methan;methane,compressed;methane,refrigeratedliquid(cryogenicliquid) |
| CAS Registry Number | 74-82-8 |
| Molecular Formula | CH4 |
| Molecular Weight | 16.04 |
| EINECS | 200-812-7 |
| Other Registry Numbers | |
| More Identifiers on PubChem | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | −183 °C(lit.) |
| Boiling Point | −161 °C(lit.) |
| Density | 0.716 g/mL at 25 °C(lit.) |
| vapor Density | 0.55 (vs air) |
| Flash Point | -188 ºC |
| pka | 48(at 25℃) |
| Explosive Limit | 15% |
| Merck | 13,5979 |
| 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. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | F+ |
| R Phrase | 12 |
| S Phrase | 9-16-33 |
| RIDADR | UN 1971 2.1 |
| WGK Germany | – |
| RTECS | PA1490000 |
| F | 4.5-31 |
| Storage Class | 2.1 |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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