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CAS号:109-87-5
英文名称:Dimethoxymethane
英文同义词:FORMAL;Metylal;METHYLAL;Anesthenyl;(CH3O)2CH2;dioxapentane;Methyl formal;DIMETHYLFORMAL;metylal(polish);2,4-Dioxapentane
中文名称:二甲醇缩甲醛
中文同义词:甲缩醛;二甲醇缩甲;甲醛缩二醇;二甲氧甲烷;甲撑二甲醚;二甲醇缩甲醛;二甲氧基甲烷;二甲醇縮甲醛;甲醛缩二甲醇;亞甲基二甲基二醚
分子式:C3H8O2
分子量:76.09
熔点:-105 °C
沸点:41-43 °C
密度:0.860 g/mL at 20 °C(lit.)
蒸气密度:2.6 (vs air)
蒸气压:6.38 psi ( 20 °C)
折射率:n
闪点:-18 °C
储存条件:Store at <= 20°C.
溶解度:32.3 g/100 mL (16°C)
形态:Liquid
颜色:Clear colorless
气味 (Odor):Mild, ethereal; chloroform-like.
PH值:pH (12.5vol % , 25℃) : 4.5~6.6
爆炸极限值(explosive limit):1.6-17.6%(V)
水溶解性:32.3 g/100 mL (16 ºC)
敏感性:Moisture Sensitive
Merck:14,6012
BRN:1697025
Henry's Law Constant:(x 10-4 atm?m3/mol): 1.73 at 25 °C (Hine and Mookerjee, 1975)
暴露限值:NIOSH REL: TWA 1,000 ppm (3,100 mg/m3), IDLH 2,200 ppm; OSHA PEL: TWA 1,000 ppm; ACGIH TLV: TWA 1,000 ppm (adopted).
稳定性:Stable. Extremely flammable. Readily forms explosive mixtures with air. Note low flash point and wide explosive limits. Incompatible with strong oxidizing agents, strong acids. May form explosive peroxides upon exposure to air.
CAS 数据库:109-87-5(CAS DataBase Reference)
NIST化学物质信息:Methane, dimethoxy-(109-87-5)
EPA化学物质信息:Dimethoxymethane (109-87-5)