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CAS號(hào):74-82-8
英文名稱(chēng):METHANE
英文同義詞:CH4;Biogas;Methan;carbane;Methane;firedamp;Fire damp;Marsh gas;methanegas;NATURAL GAS
中文名稱(chēng):甲烷
中文同義詞:沼氣;沼氣;甲烷;天然氣;液化甲烷;甲烷-D;甲烷,沼氣;甲基氫化物;甲烷-12C;沼氣,甲烷,碳化氫
分子式:CH4
分子量:16.04
熔點(diǎn):−183 °C(lit.)
沸點(diǎn):−161 °C(lit.)
密度:0.716 g/mL at 25 °C(lit.)
蒸氣密度:0.55 (vs air)
折射率:1.0004
閃點(diǎn):-188 ºC
酸度系數(shù)(pKa):48(at 25℃)
形態(tài):gas
爆炸極限值(explosive limit):15%
水溶解性:24.4mg/L(25 ºC)
Merck:13,5979
BRN:1718732
穩(wěn)定性: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.
CAS 數(shù)據(jù)庫(kù):74-82-8(CAS DataBase Reference)
EPA化學(xué)物質(zhì)信息:Methane (74-82-8)