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2-羟基-5甲基吡嗪

2-羟基-5甲基吡嗪名称

[ CAS 号 ]:
20721-17-9

[ 中文名 ]:
2-羟基-5甲基吡嗪

[ 英文名 ]:
5-Methylpyrazin-2-ol

[中文别名 ]:

[英文别名 ]:

2-pyrazinol, 5-methyl-
5-Methyl-2(1H)-pyrazinone
2(1H)-Pyrazinone, 5-methyl-
5-Methyl-2-oxo-1,2-dihydro-pyrazin
2-Hydroxy-5-methylpyrazine
5-Methyl-1H-pyrazin-2-on
5-Methylpyrazin-2-ol
Pyrazine,2-hydroxy-5-methyl
Pyrazinol,5-methyl

2-羟基-5甲基吡嗪物理化学性质

[ 密度 ]:
1.2±0.1 g/cm3

[ 沸点 ]:
376.2ºC at 760 mmHg

[ 分子式 ]:
C₅H₆N₂O

[ 分子量 ]:
110.114

[ 闪点 ]:
181.3ºC

[ 精确质量 ]:
110.048012

[ PSA ]:
46.01000

[ LogP ]:
-0.90

[ 蒸汽压 ]:
3.41E-06mmHg at 25°C

[ 折射率 ]:
1.577

[ 储存条件 ]:
室温，干燥

2-羟基-5甲基吡嗪毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ3500000

CHEMICAL NAME :: Pyrazine, 2-hydroxy-5-methyl-

CAS REGISTRY NUMBER :: 20721-17-9

LAST UPDATED :: 199106

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H6-N2-O

MOLECULAR WEIGHT :: 110.13

WISWESSER LINE NOTATION :: T6N DNJ BQ E1

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 :: 1300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 17,244,1970

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2-羟基-5甲基吡嗪安全信息

[ 危害码 (欧洲) ]:
Xi

[ 海关编码 ]:
2933990090

2-羟基-5甲基吡嗪合成路线

详细合成路线

2-羟基-5甲基吡嗪海关

[ 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%