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3-甲基-5-吡唑啉酮

3-甲基-5-吡唑啉酮名称

[ CAS 号 ]:
108-26-9

[ 中文名 ]:
3-甲基-2-吡唑啉-5-酮

[ 英文名 ]:
3-methyl-2-pyrazolin-5-one

[中文别名 ]:

[英文别名 ]:

2,4-Dihydro-5-methyl-3H-pyrazol-3-one
MFCD00020699
3-Methyl-5-pyrazolone
EINECS 203-565-3
5-Methyl-2,4-dihydro-3H-pyrazol-3-one
3-methyl-1,4-dihydropyrazol-5-one
3-Methyl-1H-pyrazol-5(4H)-one
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-
3-methyl-2-pyrazolin-5-one

3-甲基-5-吡唑啉酮物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
309.7ºC at 760 mmHg

[ 熔点 ]:
220-224 °C

[ 分子式 ]:
C₄H₆N₂O

[ 分子量 ]:
98.103

[ 闪点 ]:
141.1ºC

[ 精确质量 ]:
98.048012

[ PSA ]:
41.46000

[ LogP ]:
-1.08

[ 外观性状 ]:
淡白色晶体粉末

[ 蒸汽压 ]:
0.000345mmHg at 25°C

[ 折射率 ]:
1.599

[ 储存条件 ]:
2~8°C

3-甲基-5-吡唑啉酮MSDS

详细MSDS(安全技术说明书)

3-甲基-5-吡唑啉酮毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ9451500

CHEMICAL NAME :: 2-Pyrazolin-5-one, 3-methyl-

CAS REGISTRY NUMBER :: 108-26-9

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C4-H6-N2-O

MOLECULAR WEIGHT :: 98.12

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 600 mg/kg

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

REFERENCE :: BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 14,1325,1965

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3-甲基-5-吡唑啉酮安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
36/37/38

[ 安全声明 (欧洲) ]:
S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ RTECS号 ]:
UQ9451500

[ 海关编码 ]:
2933199090

3-甲基-5-吡唑啉酮合成路线

详细合成路线

3-甲基-5-吡唑啉酮上下游产品

3-甲基-5-吡唑啉酮上游产品

3-甲基-5-吡唑啉酮下游产品

3-甲基-5-吡唑啉酮海关

[ 海关编码 ]: 2933199090

[ 中文概述 ]:
2933199090. 其他结构上有非稠合吡唑环化合物. 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 ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%