二甲胺在室温下是气体。有类似氨的气味。相对密度0.680(0℃)。熔点-96℃。沸点7℃。二甲胺易溶于水,溶于乙醇。易燃烧。有弱碱性,与无机酸生成易溶于水的盐类。二甲胺用作制药物、染料、杀虫剂和橡胶硫化促进剂的原料。由氨与甲醇在高温高压和催化剂存在下作用而制得。
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-二甲胺在室温下是气体。有类似氨的气味。相对密度0.680(0℃)。熔点-96℃。沸点7℃。二甲胺易溶于水,溶于乙醇。易燃烧。有弱碱性,与无机酸生成易溶于水的盐类。二甲胺用作制药物、染料、杀虫剂和橡胶硫化促进剂的原料。由氨与甲醇在高温高压和催化剂存在下作用而制得。
产品描述:
熔点 −93 °C(lit.)沸点 7 °C(lit.)密度 0.89 g/mL at 25 °C蒸气密度1.55 (vs air)蒸气压16.97 psdeg;C)折射率 n20/D 1.37闪点 60 °F储存条件 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形态Solution酸度系数(pKa)10.68(at 25℃)颜色Clear slightly yellow爆炸极限值(explosive limit)14.4%水溶解性 Miscible with water and most organic solvents.敏感性 HygroscopicMerckBRN 605257Henry's Law Constant1.75(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).稳定性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.安全信息
危险性符号(GHS)
GHS02,GHS05,GHS07,GHS08,GHS06警示词Danger危险性描述H225-H302-H315-H318-H335-H351-H314-H412-H220-H280-H332-H301-H311-H331-H370-H333防范说明P260h-P405-P501a-P210-P280-P301+P312+P330-P305+P351+P338+P310-P370+P378-P403+P235-P303+P361+P353-P304+P340+P310-P305+P351+P338-P261-P273-P410+P403-P260-P301+P310-P311危险品标志 F+,Xn,C,F,T危险类别码安全说明-61危险品运输编号 UNPG 2WGK Germany 2RTECS号IP8750000F 3自燃温度753 °FTSCA YesHazardClass 3PackingGroup II海关编码毒性Acute oral LD50 for guinea pigs 340 mg/kg, mice 316 mg/kg, rats 698 mg/kg, rabbits 240 mg/kg (quoted, RTECSnbsp;
关键字甲胺