3,5-二溴-2-羟基吡嗪

3,5-二溴-2-羟基吡嗪

3,5-dibromo-1H-pyrazin-2-one

21943-15-7

C4H2Br2N2O

253.87900

46.01000

1.70720

251.85300

214.151ºC

2.38 g/cm3

430.487ºC at 760 mmHg

GHS05, GHS07

危险

H302; H318

2933990090

2933990090. Heterocyclic compounds with nitrogen hetero-atom(s) only

品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期

2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%