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对溴甲苯

对溴甲苯用途

用作有机合成原料及中间体，用于医药工业

对溴甲苯名称

[ CAS 号 ]:
106-38-7

[ 中文名 ]:
对溴甲苯

[ 英文名 ]:
4-Bromotoluene

[中文别名 ]:

[英文别名 ]:

MFCD00000109
Benzene, 1-bromo-4-methyl-
4-tolyl bromide
p-Bromotoluene
1-Bromo-4-methylbenzene
EINECS 203-391-8
4-Bromotoluene

对溴甲苯物理化学性质

[ 密度 ]:
1.4±0.1 g/cm3

[ 沸点 ]:
183.8±9.0 °C at 760 mmHg

[ 熔点 ]:
26-29 °C(lit.)

[ 分子式 ]:
C₇H₇Br

[ 分子量 ]:
171.035

[ 闪点 ]:
85.0±0.0 °C

[ 精确质量 ]:
169.973099

[ LogP ]:
3.45

[ 外观性状 ]:
无色或淡黄色液体

[ 蒸汽压 ]:
1.0±0.3 mmHg at 25°C

[ 折射率 ]:
1.549

[ 储存条件 ]:
库房通风低温干燥,与氧化剂、食品原料分开储运

[ 水溶解性 ]:
<0.1 g/100 mL at 24 ºC

对溴甲苯MSDS

对溴甲苯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XS7965600

CHEMICAL NAME :: Toluene, p-bromo-

CAS REGISTRY NUMBER :: 106-38-7

LAST UPDATED :: 199710

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C7-H7-Br

MOLECULAR WEIGHT :: 171.05

WISWESSER LINE NOTATION :: ER D1

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 :: 1741 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 20(12),52,1976

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 1300 mg/m3

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(4),55,1974

对溴甲苯安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302-H315

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Gloves

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R22;R36/37/38

[ 安全声明 (欧洲) ]:
S28-S61-S37/39-S26

[ 危险品运输编码 ]:
UN 3077 9/PG 3

[ WGK德国 ]:
3

[ RTECS号 ]:
XS7965600

[ 危险类别 ]:
9.0

[ 海关编码 ]:
29036990

对溴甲苯合成路线

对溴甲苯上下游产品

对溴甲苯上游产品

对溴甲苯下游产品

对溴甲苯制备

由对甲苯胺重氮化、置换而得。先将硫酸水溶液趁热加入粉碎的对甲苯胺中，冷至5℃，慢慢加入亚硝酸钠水溶液至淀粉碘化钾试纸变蓝。然后加少量尿素破坏过量的亚硝酸钠。再将合成好的溴化亚铜加入氢溴酸，加热至沸腾，然后慢慢加入上述重氮盐，将其蒸馏至不出油状物为止。洗涤、干燥、过滤，常压蒸馏，收集183-185℃馏分而得成品。溴化亚铜-氢溴酸溶液可按下法配制：把硫酸铜、铜屑、溴化钠二水物、浓硫酸和水的混合物加热回流3-4h，至溶液变成淡黄色，即为溴化亚铜-氢溴酸溶液。

对溴甲苯海关

[ 海关编码 ]: 2903999090

[ 中文概述 ]:
2903999090 其他芳烃卤化衍生物. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:5.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

对溴甲苯文献

Tetragonal Cu2Se nanoflakes: synthesis using selenated propylamine as Se source and activation of Suzuki and Sonogashira cross coupling reactions.

Dalton Trans. 44(2) , 725-32, (2014)

The metastable tetragonal Cu2Se phase as nanoflakes has been synthesized for the first time by treating CuCl2 taken in a mixture (1:1) of 1-octadecene and oleylamine with H2N-(CH2)3-SePh dissolved in ...

Possible intermediates of Cu(phen)-catalyzed C-O cross-coupling of phenol with an aryl bromide by in situ ESI-MS and EPR studies.

Dalton Trans. 43(29) , 11410-7, (2014)

The C-O coupling reaction between 2,4-dimethylphenol and 4-bromotoluene catalyzed by the CuI/K2CO3/phen system can be inhibited by the radical scavenger cumene. Complexes [Cu(i)(phen)(1-(2,4-dimethylp...

Fluorogenic derivatization of aryl halides based on the formation of biphenyl by Suzuki coupling reaction with phenylboronic acid

J. Chromatogr. A. 1216(40) , 6873-6, (2009)

The fluorogenic derivatization method for aryl halide was developed for the first time. This method was based on the formation of fluorescent biphenyl structure by Suzuki coupling reaction between ary...

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