3,4-Dimethylbromobenzene

Modify Date: 2026-06-30 10:17:42

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	Signal Word	Warning

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

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

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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
InChIKey	QOGHRLGTXVMRLM-UHFFFAOYSA-N
SMILES	Cc1ccc(Br)cc1C

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

3,4-Dimethylbromobenzene MSDS(Chinese)

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol	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

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

o-xylene

CAS#:95-47-6

~98%

3,4-Dimethylbro...

CAS#:583-71-1

Learn More

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

o-xylene

CAS#:95-47-6

~24%

3,4-Dimethylbro...

CAS#:583-71-1

2,3-Dimethylbro...

CAS#:576-23-8

Learn More

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

o-xylene

CAS#:95-47-6

~10%

3,4-Dimethylbro...

CAS#:583-71-1

α-Bromo-o-xylene

CAS#:89-92-9

Learn More

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

o-xylene

CAS#:95-47-6

~3%

3,4-Dimethylbro...

CAS#:583-71-1

2,3-Dimethylbro...

CAS#:576-23-8

α-Bromo-o-xylene

CAS#:89-92-9

Detail Learn More

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

Methyl fluoride

CAS#:593-53-3

4-Bromotoluene

CAS#:106-38-7

~28%

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

CAS#:583-70-0

3,4-Dimethylbro...

CAS#:583-71-1

Learn More

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

3,4-Dimethylaniline

CAS#:95-64-7

3,4-Dimethylbro...

CAS#:583-71-1

Learn More

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-Dimethylbe...

CAS#:618-01-9

3,4-Dimethylbro...

CAS#:583-71-1

Learn More

Literature: Journal of the Indian Chemical Society, , vol. 16, p. 460

o-xylene

CAS#:95-47-6

Bromine

CAS#:7726-95-6

molecular iodine

CAS#:7553-56-2

3,4-Dimethylbro...

CAS#:583-71-1

Learn More

Literature: Chemische Berichte, , vol. 71, p. 684,687

o-xylene

CAS#:95-47-6

Bromine

CAS#:7726-95-6

molecular iodine

CAS#:7553-56-2

3,4-Dimethylbro...

CAS#:583-71-1

Detail Learn More

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

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor 7
CAS#:95-47-6 o-xylene CAS#:593-53-3 Methyl fluoride CAS#:106-38-7 4-Bromotoluene CAS#:95-64-7 3,4-Dimethylaniline
CAS#:618-01-9 3, 4-Dimethylbe... CAS#:7726-95-6 Bromine CAS#:7553-56-2 molecular iodine
DownStream 10
CAS#:63114-76-1 2,3-dimethyl-N-... CAS#:105336-21-8 3,4-dimethyl-N-... CAS#:103323-56-4 4-(2-bromoethyl... CAS#:105336-41-2 N,N-dibutyl-3,4...
CAS#:105336-40-1 N,N-dibutyl-2,3... CAS#:4920-95-0 3,3',4,4'-TETRA... CAS#:38404-42-1 Methyl 3,4-dime... CAS#:55499-43-9 (3,4-Dimethylph...
CAS#:55389-75-8 BIS-(3,4-DIMETH... CAS#:95-65-8 3,4-Xylenol

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code	29036990

This table lists relevant public references with title, journal and publication metadata for this compound.

[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...

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

EINECS 209-518-3

3,4-Dimethylbromobenzene

4-Bromo-o-xylene

4-Bromo-1,2-dimethylbenzene

MFCD00000086

ER C1 D1

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of 4-Bromo-1,2-dimethylbenzene?

A: Related downstream products(CAS) of 4-Bromo-1,2-dimethylbenzene: 63114-76-1;105336-21-8;103323-56-4;105336-41-2;105336-40-1;4920-95-0;38404-42-1;55499-43-9;55389-75-8;95-65-8.

Q: What is the English name of 4-Bromo-1,2-dimethylbenzene?

A: The English name of 4-Bromo-1,2-dimethylbenzene is 4-Bromo-1,2-dimethylbenzene.

Q: What is the molecular weight of 4-Bromo-1,2-dimethylbenzene?

A: Molecular weight of 4-Bromo-1,2-dimethylbenzene is 185.061.

Q: What are the upstream materials of 4-Bromo-1,2-dimethylbenzene?

A: Related upstream materials(CAS) of 4-Bromo-1,2-dimethylbenzene: 95-47-6;593-53-3;106-38-7;95-64-7;618-01-9;7726-95-6;7553-56-2.

Q: What is the LogP of 4-Bromo-1,2-dimethylbenzene?

A: LogP of 4-Bromo-1,2-dimethylbenzene is 3.91.

Q: What is the safety information for 4-Bromo-1,2-dimethylbenzene?

A: Safety information for 4-Bromo-1,2-dimethylbenzene: S26-S60-S61-S24/25.

Q: What is the InChIKey of 4-Bromo-1,2-dimethylbenzene?

A: InChIKey of 4-Bromo-1,2-dimethylbenzene is QOGHRLGTXVMRLM-UHFFFAOYSA-N.

Q: What is the SMILES notation of 4-Bromo-1,2-dimethylbenzene?

A: SMILES notation of 4-Bromo-1,2-dimethylbenzene is Cc1ccc(Br)cc1C.

Q: What is the melting point of 4-Bromo-1,2-dimethylbenzene?

A: Melting point of 4-Bromo-1,2-dimethylbenzene is −12-−10 °C.

Q: What English synonyms does 4-Bromo-1,2-dimethylbenzene have?

A: English synonyms of 4-Bromo-1,2-dimethylbenzene: EINECS 209-518-3, 3,4-Dimethylbromobenzene, 4-Bromo-o-xylene, 4-Bromo-1,2-dimethylbenzene, MFCD00000086, ER C1 D1.

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd

Dayang Chem (Hangzhou) Co., Ltd.

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,4-Dimethylbromobenzene
Price: Check
Purity: 97.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Bromo-o-xylene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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3,4-Dimethylbromobenzene

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3,4-Dimethylbromobenzene | FAQ

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