外觀性狀橙黃色結(jié)晶性粉末。熔點185-204℃。易溶于稀堿、酸或堿金屬的碳酸鹽溶液,微溶于稀鹽酸,幾乎不溶于水、乙醇、氯仿、乙醚。
熔點 195°C
比旋光度 +17~+24°(D/20℃)(c=1,Na2CO3 soln.)(calculated on the dehydrous basis)
沸點 561.26°C (rough estimate)
密度 1.4080 (rough estimate)
折射率 1.6910 (estimate)
閃點 11℃
儲存條件 ?20°C
溶解度 H2O: insoluble
form powder
酸度系數(shù)(pKa)pKa 3.04/4.99(H2O,t =25,I=0.0025) (Uncertain)
形態(tài)powder
水溶解性 Insoluble. <0.1 g/100 mL at 19 oC
敏感性 Light Sensitive & Hygroscopic
Merck 5985
BRN 70669
穩(wěn)定性Stable, but light sensitive and hygroscopic. Incompatible with strong acids, strong oxidizing agents. Store at -15C or below.
InChIKeyFBOZXECLQNJBKD-ZDUSSCGKSA-N
CAS 數(shù)據(jù)庫59-05-2(CAS DataBase Reference)
(IARC)致癌物分類3 (Vol. 26, Sup 7) 1987
NIST化學(xué)物質(zhì)信息Methotrexate(59-05-2)
EPA化學(xué)物質(zhì)信息Methotrexate (59-05-2)