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4,5-二甲基噻唑

4,5-二甲基噻唑用途

用作食品添加剂

4,5-二甲基噻唑名称

[ CAS 号 ]:
3581-91-7

[ 中文名 ]:
4,5-二甲基噻唑

[ 英文名 ]:
4,5-Dimethylthiazole

[英文别名 ]:

EINECS 222-703-3
FEMA No. 3274
4,5-Dimethyl-thiazol
4-27-00-00986 (Beilstein Handbook Reference)
MFCD00005336
4,5-Dimethyl-1,3-thiazole
Thiazole,4,5-dimethyl
4,5-Dimethylthiazole
Thiazole, 4,5-dimethyl-

4,5-二甲基噻唑物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
158.1±9.0 °C at 760 mmHg

[ 熔点 ]:
83-84ºC

[ 分子式 ]:
C₅H₇NS

[ 分子量 ]:
113.181

[ 闪点 ]:
51.1±0.0 °C

[ 精确质量 ]:
113.029922

[ PSA ]:
41.13000

[ LogP ]:
1.36

[ 外观性状 ]:
无色至淡黄色液体

[ 蒸汽压 ]:
3.5±0.3 mmHg at 25°C

[ 折射率 ]:
1.531

[ 储存条件 ]:
室温

4,5-二甲基噻唑MSDS

4,5-二甲基噻唑毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XJ4380000

CHEMICAL NAME :: Thiazole, 4,5-dimethyl-

CAS REGISTRY NUMBER :: 3581-91-7

BEILSTEIN REFERENCE NO. :: 0105694

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H7-N-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 960 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - chromodacryorrhea Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - body temperature decrease

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,95,1990

4,5-二甲基噻唑安全信息

[ 符号 ]:

GHS02, GHS05, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H226-H302-H315-H318-H335

[ 警示性声明 ]:
P261-P280-P305 + P351 + P338

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R10;R22;R36/37/38

[ 安全声明 (欧洲) ]:
S16-S26-S39-S37/39

[ 危险品运输编码 ]:
UN 1993 3/PG 3

[ WGK德国 ]:
3

[ RTECS号 ]:
XJ4380000

[ 包装等级 ]:
III

[ 危险类别 ]:
3

[ 海关编码 ]:
2934100090

4,5-二甲基噻唑合成路线

4,5-二甲基噻唑上下游产品

4,5-二甲基噻唑上游产品

4,5-二甲基噻唑下游产品

4,5-二甲基噻唑制备

用α-硫氰酸甲(基)乙(基)(甲)酮通入干燥氯化氢，然后用锌粉醋酸还原得到。

4,5-二甲基噻唑海关

[ 海关编码 ]: 2934100090

[ 中文概述 ]:
2934100090. 结构上含有一个非稠合噻唑环的化合物(不论是否氢化). 增值税率:17.0%. 退税率:9.0%. 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

[ Summary ]:
2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

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