CAS号: 58-14-0 英文名称: Pyrimethamine 英文同义词: wr2978;bw50-63;Malacid;Malocid;nsc3061;RP 4753;WR 2978;BW 50-63;Daraclor;Darapram 中文名称: 乙胺嘧啶 中文同义词: 息疟定;乙胺嘧啶;达拉匹林;比利美胺;乙嘧啶,息疟定;乙胺嘧啶原料药;马来酰亚胺-羧酸;乙胺嘧啶(标准品);乙胺嘧啶 100G;乙胺嘧啶 USP标准品 分子式: C12H13ClN4 分子量: 248.71 熔点 : 233-234°C 沸点 : 393.35°C (rough estimate) 密度 : 1.2171 (rough estimate) 折射率 : 1.6110 (estimate) 储存条件 : 0-6°C 溶解度 : Prepare the solution immediately before use. Dissolve 0.25 g in a mixture of 1 volume of methanol R and 3 volumes of methylene chloride R and dilute to 10 mL with the same mixture of solvents. The solution is clear (2.2.1) and not more intensely coloured than reference solution BY6 (2.2.2, Method II). 形态: neat 酸度系数(pKa): pKa 7(t=20.0) (Uncertain) 水溶解性 : 最大波长(λmax): 276nm(lit.) Merck : 14,7985 BRN : 219864 稳定性: Stable, but light sensitive. Combustible. Incompatible with strong oxidizing agents. CAS 数据库: 58-14-0(CAS DataBase Reference) NIST化学物质信息: Pyrimethamine(58-14-0) (IARC)致癌物分类: 3 (Vol. 13, Sup 7) 1987 EPA化学物质信息: Pyrimethamine (58-14-0) 危险品标志 : Xn 危险类别码 : 22-36 安全说明 : 26 危险品运输编号 : 3249 WGK Germany : 3 RTECS号: UV8140000 HazardClass : 6.1(b) PackingGroup : III 海关编码 : 29335990 毒性: LD50 oral in rat: 440mg/kg
3:56:16 PM · Jan 28, 2021
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