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3,4-二甲基溴苯

3,4-二甲基溴苯用途

【用途一】
有机合成原料，作为可溶性聚酰亚胺树脂的中间体。

3,4-二甲基溴苯名称

[ CAS 号 ]:
583-71-1

[ 中文名 ]:
4-溴-1,2-二甲苯

[ 英文名 ]:
3,4-Dimethylbromobenzene

[中文别名 ]:

[英文别名 ]:

Benzene, 4-bromo-1,2-dimethyl-
EINECS 209-518-3
3,4-Dimethylbromobenzene
4-Bromo-o-xylene
4-Bromo-1,2-dimethylbenzene
MFCD00000086
ER C1 D1

3,4-二甲基溴苯物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
213.9±9.0 °C at 760 mmHg

[ 熔点 ]:
−12-−10 °C

[ 分子式 ]:
C₈H₉Br

[ 分子量 ]:
185.061

[ 闪点 ]:
85.8±13.1 °C

[ 精确质量 ]:
183.988754

[ LogP ]:
3.91

[ 外观性状 ]:
透明无色液体

[ 蒸汽压 ]:
0.2±0.4 mmHg at 25°C

[ 折射率 ]:
1.544

[ 储存条件 ]:
室温

3,4-二甲基溴苯MSDS

3,4-二甲基溴苯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CY9020400

CHEMICAL NAME :: Benzene, 4-bromo-1,2-dimethyl-

CAS REGISTRY NUMBER :: 583-71-1

BEILSTEIN REFERENCE NO. :: 2040354

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H9-Br

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 930 mg/m3/4H/6W-I

TOXIC EFFECTS :: Endocrine - other changes Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - body temperature increase

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: 33(3),48,1989

3,4-二甲基溴苯安全信息

[ 符号 ]:

GHS07, GHS09

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302-H315-H319-H335-H400

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

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xi:Irritant

[ 风险声明 (欧洲) ]:
R22;R36/37/38;R50/53

[ 安全声明 (欧洲) ]:
S26-S60-S61-S24/25

[ 危险品运输编码 ]:
UN 1701 6.1/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
CY9020400

[ 包装等级 ]:
I; II; III

[ 危险类别 ]:
6.1

[ 海关编码 ]:
29036990

3,4-二甲基溴苯合成路线

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3,4-二甲基溴苯制备

由邻二甲苯溴化而得：在邻二甲苯中加碘和铁粉，冷却，滴加溴素，控制反应温度不超过5℃，反应放出溴化氢气体用碱溶液吸收。滴加完毕，在室温下放置过夜，用5%的氢氧化钠溶液洗至红色褪去，再用水洗油层经水蒸气蒸馏，得4-溴-1,2-二甲基苯。收率75%。

3,4-二甲基溴苯海关

[ 海关编码 ]: 29036990

3,4-二甲基溴苯文献

[Mechanism of disorders of reproductive function after exposure to 4-brom-o-xylol (experimental studies)].

Gig. Tr. Prof. Zabol. (3) , 48-9, (1989)

[Significance of morphofunctional assessment of tissue basophil reactions in prognostication of harmful effects of chemical substances].

Gig. Tr. Prof. Zabol. (5) , 23-5, (1991)

The article contains a comparative analysis of experimental data on the assessment of the general toxicological, gonadotrophic effects and morphofunctional reactions of tissue basophils under the infl...

Vibrational spectroscopic studies and DFT calculations of 4-bromo-o-xylene.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 91 , 419-30, (2012)

In the present work, we reported a combined experimental and theoretical study on molecular structure, vibrational spectra and NBO analysis of 4-bromo-o-xylene (BOX). The FT-IR (400-4000 cm(-1)) and F...

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