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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：Keep in dark place,Inert atmosphere,Room temperature
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).
酸度系数(pKa)：pKa 7(t=20.0) (Uncertain)
形态：neat
水溶解性：<0.01 g/100 mL at 21 ºC
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)