3735-46-4

• 常用中文名：2(1H)-Pyrazinone,4-oxide
• 常用英文名：2(1H)-Pyrazinone,4-oxide
• CAS号：3735-46-4
• 分子式：C₄H₄N₂O₂
• 分子量：112.08700
• 发布时间：2017-05-11 19:03:03
• 更新时间：2025-08-26 22:50:24

名称

• 英文名: 1,2-Dihydro-2-oxopyrazine 4-oxide
• 英文别名: 3-hydroxypyrazine-1-oxide; 2-Hydroxy-pyrazin-4-oxyd; 3-deaza-4-azauracil; emimycin; 4-oxy-1H-pyrazin-2-one; 2(1H)-Pyrazinone 4-oxide; 2-hydroxy-pyrazine-4-oxide; 2-Hydroxy-pyrazin-4-oxid

物化性质

• 沸点: 386.8ºC at 760mmHg
• 分子式: C₄H₄N₂O₂
• 分子量: 112.08700
• 闪点: 187.7ºC
• 精确质量: 112.02700
• PSA: 58.32000

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : UQ4385000 CHEMICAL NAME : Pyrazinol, 4-oxide CAS REGISTRY NUMBER : 3735-46-4 LAST UPDATED : 198309 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H4-N2-O2 MOLECULAR WEIGHT : 112.10 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980- Volume(issue)/page/year: 5,119,1981

安全

• 海关编码: 2933990090

海关

海关编码	2933990090
中文概述	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%
申报要素	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
Summary	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%