3,4-Dimethylbromobenzene

Modify Date: 2025-08-21 09:23:41

3,4-Dimethylbromobenzene Structure
3,4-Dimethylbromobenzene structure
 Common Name 3,4-Dimethylbromobenzene
CAS Number 583-71-1 Molecular Weight 185.061
Density 1.3±0.1 g/cm3 Boiling Point 213.9±9.0 °C at 760 mmHg
Molecular Formula C8H9Br Melting Point −12-−10 °C
MSDS Chinese USA Flash Point 85.8±13.1 °C
Symbol GHS07 GHS09
GHS07, GHS09		 Signal Word Warning

 Names

Name 4-Bromo-1,2-dimethylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 213.9±9.0 °C at 760 mmHg
Melting Point −12-−10 °C
Molecular Formula C8H9Br
Molecular Weight 185.061
Flash Point 85.8±13.1 °C
Exact Mass 183.988754
LogP 3.91
Vapour Pressure 0.2±0.4 mmHg at 25°C
Index of Refraction 1.544

 Toxicological Information

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

 Safety Information

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H302-H315-H319-H335-H400
Precautionary Statements P261-P273-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant
Risk Phrases R22;R36/37/38;R50/53
Safety Phrases S26-S60-S61-S24/25
RIDADR UN 1701 6.1/PG 2
WGK Germany 3
RTECS CY9020400
Packaging Group I; II; III
Hazard Class 6.1
HS Code 29036990

 Synthetic Route

o-xylene structure

o-xylene

CAS#:95-47-6

~98%

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

Literature: Tetrahedron, , vol. 53, # 7 p. 2581 - 2584
o-xylene structure

o-xylene

CAS#:95-47-6

~24%

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

2,3-Dimethylbromobenzene structure

2,3-Dimethylbro...

CAS#:576-23-8

Literature: Russian Journal of Organic Chemistry, , vol. 41, # 11 p. 1631 - 1636
o-xylene structure

o-xylene

CAS#:95-47-6

~10%

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

α-Bromo-o-xylene structure

α-Bromo-o-xylene

CAS#:89-92-9

Literature: Tetrahedron Letters, , vol. 48, # 18 p. 3247 - 3250
o-xylene structure

o-xylene

CAS#:95-47-6

~3%

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

2,3-Dimethylbromobenzene structure

2,3-Dimethylbro...

CAS#:576-23-8

α-Bromo-o-xylene structure

α-Bromo-o-xylene

CAS#:89-92-9

Detail
Literature: Journal of Organic Chemistry, , vol. 62, # 2 p. 236 - 237
Methyl fluoride structure

Methyl fluoride

CAS#:593-53-3

4-Bromotoluene structure

4-Bromotoluene

CAS#:106-38-7

~28%

1-Bromo-2,4-dimethylbenzene structure

1-Bromo-2,4-dim...

CAS#:583-70-0

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

Literature: Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), , # 4 p. 775 - 780
3,4-Dimethylaniline structure

3,4-Dimethylaniline

CAS#:95-64-7

~%

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

Literature: Monatshefte fuer Chemie, , vol. 64, p. 361,364, 365 Monatshefte fuer Chemie, , vol. 65, p. 6,14 Journal of the Chemical Society, , p. 505,510
3, 4-Dimethylbenzenesulfonic acid structure

3, 4-Dimethylbe...

CAS#:618-01-9

~%

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

Literature: Journal of the Indian Chemical Society, , vol. 16, p. 460
o-xylene structure

o-xylene

CAS#:95-47-6

Bromine structure

Bromine

CAS#:7726-95-6

molecular iodine structure

molecular iodine

CAS#:7553-56-2

~%

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

Literature: Chemische Berichte, , vol. 71, p. 684,687
o-xylene structure

o-xylene

CAS#:95-47-6

Bromine structure

Bromine

CAS#:7726-95-6

molecular iodine structure

molecular iodine

CAS#:7553-56-2

~%

3,4-Dimethylbromobenzene Structure

3,4-Dimethylbro...

CAS#:583-71-1

Detail
Literature: Chemische Berichte, , vol. 17, p. 2374

 Customs

HS Code 29036990

 Articles3

More Articles
[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...

 Synonyms

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
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