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对二溴苯

对二溴苯用途

【用途一】
用于有机合成，染料中间体
【用途二】
用于有机合成，也有作染料中间体。

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对二溴苯名称

[ CAS 号 ]:
106-37-6

[ 中文名 ]:
对二溴苯

[ 英文名 ]:
1,4-Dibromobenzene

[中文别名 ]:

1,4-二溴苯

[英文别名 ]:

Benzene,1,4-dibromo
Benzene, 1,4-dibromo-
1,4-DIBROMOBENZENE FOR SYNTHESIS
P-DIBROMO BENZENE
1,4-dibromophenylene
DIBROMOBENZENE 1,4-
1,4-Dibromobenzen
Benzene,p-dibromo
1,4-dibromo-benzene
p-bromophenyl bromide

对二溴苯物理化学性质

[ 密度 ]:
1.9±0.1 g/cm3

[ 沸点 ]:
217.9±13.0 °C at 760 mmHg

[ 熔点 ]:
86-89 °C

[ 分子式 ]:
C₆H₄Br₂

[ 分子量 ]:
235.904

[ 闪点 ]:
89.3±19.1 °C

[ 精确质量 ]:
233.867966

[ LogP ]:
3.79

[ 外观性状 ]:
白色至黄色结晶粉末

[ 蒸汽压 ]:
0.2±0.4 mmHg at 25°C

[ 折射率 ]:
1.599

[ 储存条件 ]:
库房通风低温干燥

[ 稳定性 ]:
Stable. Combustible. Incompatible with strong oxidizing agents.

[ 水溶解性 ]:
practically insoluble

对二溴苯MSDS

对二溴苯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ1791000

CHEMICAL NAME :: Benzene, p-dibromo-

CAS REGISTRY NUMBER :: 106-37-6

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C6-H4-Br2

MOLECULAR WEIGHT :: 235.92

WISWESSER LINE NOTATION :: ER DE

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3120 mg/kg

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

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 44(12),19,1979

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1891 mg/kg

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

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 44(12),19,1979 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1800 mg/kg/90D-I

TOXIC EFFECTS :: Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other Enzymes

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 42,189,1977 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T1544 No. of Facilities: 31 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 124 (estimated)

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对二溴苯安全信息

[ 符号 ]:

GHS07, GHS09

[ 信号词 ]:
Warning

[ 危害声明 ]:
H315-H319-H335-H400

[ 警示性声明 ]:
P261-P273-P305 + P351 + P338

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

[ 危害码 (欧洲) ]:
Xi:Irritant

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S24/25-S36-S26

[ 危险品运输编码 ]:
UN 2711

[ RTECS号 ]:
CZ1791000

[ 包装等级 ]:
III

[ 危险类别 ]:
9

[ 海关编码 ]:
29036990

对二溴苯合成路线

对二溴苯上下游产品

对二溴苯上游产品

对二溴苯下游产品

对二溴苯制备

将2g铁屑加入1mol苯中,缓慢滴加溴,一般经15min后开始反应(缓慢沸腾),控制加溴速度使反应物维持微沸。溴加完后,于20~30℃加热1h,再在60℃加热45min,直至溴的棕色蒸气消失为止。滤去铁屑,用水洗涤后进行水蒸气蒸。第一部分蒸出的溴代苯分去水层,用氯化钙干燥后进行蒸馏。收集150~170℃馏分主要为溴代苯。蒸馏后的残余物趁热倾至瓷皿中,冷凝后与水蒸气蒸馏所得的对二溴苯合并,干燥后,加活性炭用甲醇重结晶,得对二溴苯24g,产率10%。

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对二溴苯海关

[ 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%

对二溴苯文献

Convenient QSAR model for predicting the complexation of structurally diverse compounds with β-cyclodextrins

Bioorg. Med. Chem. 17 , 896-904, (2009)

This paper reports a QSAR study for predicting the complexation of a large and heterogeneous variety of substances (233 organic compounds) with beta-cyclodextrins (beta-CDs). Several different theoret...

QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES.

Eur. J. Med. Chem. 43 , 714-40, (2008)

Simplified molecular input line entry system (SMILES) has been utilized in constructing quantitative structure-property relationships (QSPR) for octanol/water partition coefficient of vitamins and org...

Photon upconversion and photocurrent generation via self-assembly at organic-inorganic interfaces.

J. Phys. Chem. Lett. 6 , 4510-7, (2015)

Molecular photon upconversion via triplet-triplet annihilation (TTA-UC), combining two or more low energy photons to generate a higher energy excited state, is an intriguing strategy to surpass the ma...

更多文献

对二溴苯

对二溴苯用途

对二溴苯名称

对二溴苯物理化学性质

对二溴苯MSDS

详细MSDS(安全技术说明书)

对二溴苯毒性和生态

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

对二溴苯安全信息

对二溴苯合成路线

详细合成路线

对二溴苯上下游产品

对二溴苯上游产品

对二溴苯下游产品

对二溴苯制备

对二溴苯海关

对二溴苯文献

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