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CAS號:124-40-3
英文名稱:Dimethylamine
英文同義詞:DMA-40;DMA-60;DMA-65;(CH3)2NH;ai3-15638-x;Dimethylamin;DIMETHYLAMINE;DiMethylaMine aq;Dimethylamine (I);N N DIMETYLANILINE
中文名稱:二甲胺
中文同義詞:二甲胺;二甲胺醇;國標二甲胺;二甲胺甲醇;水中二甲胺;二甲胺,溶液;二甲胺33%;甲醇中二甲胺;N-甲基甲胺;二甲胺(無水)
分子式:C2H7N
分子量:45.08
熔點:−93 °C(lit.)
沸點:7 °C(lit.)
密度:0.89 g/mL at 25 °C
蒸氣密度:1.55 (vs air)
蒸氣壓:16.97 psi ( 55 °C)
折射率:n
閃點:60 °F
儲存條件:Flammables area
溶解度:very soluble in water (163 g/100 g water at 40°C); soluble in ethanol, ethyl ether, and many organic solvents
酸度系數(shù)(pKa):10.68(at 25℃)
形態(tài):Solution
顏色:Clear slightly yellow
氣味 (Odor):Ammonical odour
嗅覺閾值(Odor Threshold):0.033ppm
爆炸極限值(explosive limit):14.4%
水溶解性:Miscible with water and most organic solvents.
敏感性:Hygroscopic
Merck:14,3228
BRN:605257
Henry's Law Constant:1.75(x 10-5 atm?m3/mol) at 25 °C (Christie and Crisp, 1967)
暴露限值:TLV-TWA 10 ppm (~18 mg/m3) (ACGIH, MSHA, and OSHA); IDLH 2000 ppm (NIOSH).
穩(wěn)定性:Stable. Generally used as a solution in water at concentrations up to around 40%. Extremely flammable in the pure form. Incompatible with strong oxidizing agents.
CAS 數(shù)據(jù)庫:124-40-3(CAS DataBase Reference)
NIST化學物質信息:Methanamine, N-methyl-(124-40-3)
EPA化學物質信息:Dimethylamine (124-40-3)