外观性状橙黄色结晶性粉末。熔点185-204℃。易溶于稀碱、酸或碱金属的碳酸盐溶液,微溶于稀盐酸,几乎不溶于水、乙醇、氯仿、乙醚。
熔点 195°C
比旋光度 +17~+24°(D/20℃)(c=1,Na2CO3 soln.)(calculated on the dehydrous basis)
沸点 561.26°C (rough estimate)
密度 1.4080 (rough estimate)
折射率 1.6910 (estimate)
闪点 11℃
储存条件 −20°C
溶解度 H2O: insoluble
form powder
酸度系数(pKa)pKa 3.04/4.99(H2O,t =25,I=0.0025) (Uncertain)
形态powder
水溶解性 Insoluble. <0.1 g/100 mL at 19 ºC
敏感性 Light Sensitive & Hygroscopic
Merck 5985
BRN 70669
稳定性Stable, but light sensitive and hygroscopic. Incompatible with strong acids, strong oxidizing agents. Store at -15C or below.
InChIKeyFBOZXECLQNJBKD-ZDUSSCGKSA-N
CAS 数据库59-05-2(CAS DataBase Reference)
(IARC)致癌物分类3 (Vol. 26, Sup 7) 1987
NIST化学物质信息Methotrexate(59-05-2)
EPA化学物质信息Methotrexate (59-05-2)