Product Identification

Product Name

1-Bromo-4-methylbenzene

Synonyms

1-Bromo-4-methylbenzene
4-Bromo-1-methylbenzene
4-Methyl-1-Bromobenzene
4-Methylbromobenzene
p-Bromotoluene
p-Methylbromobenzene

CAS

106-38-7

Formula

C7H7Br

Molecular Weight

171.05

EINECS

203-391-8

RTECS

XS7965600

RTECS Class

Other

Merck

13,1424

Beilstein/Gmelin

1903636

Beilstein Reference

4-05-00-00827

EC Class

harmful, irritant, dangerous for the environment

Physical and Chemical Properties

Appearance

Crystals, clear pale yellow liquid.

Solubility in water

110 ppm (25 C)

Melting Point

24 - 27

Boiling Point

184

Vapor Pressure

1.0 (25 C)

Density

1.387 g/cm3 (20 C)

Partition Coefficient

3.42

Heat Of Vaporization

42.1 kJ/mol

Usage

4-Bromotoluene is used as a solvent (for fats, waxes or resins, and as a medium for carrying out reactions) and as a chemical intermediate.

Vapor Density

5.9

Refractive Index

1.5477 (20 C)

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.

Eyes

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage

Keep away from heat, sparks, and flame. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

Ingestion

The toxicological properties of this substance have not been fully investigated. Causes gastrointestinal tract irritation.

EC Risk Phrase

R 20 36/37/38

EC Safety Phrase

S 23 26 36

UN (DOT)

3077

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate clothing to prevent skin exposure.

Respirators

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Exposure Effects

Multiple physical deformities, with signs similar to fetal alcohol syndrome, microencephaly, CNS dysfunction, and variable growth deficiencies have occurred in infants born to mothers who abused toluene during pregnancy.

Fire Fighting Measures

Flash Point

85

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Upper exp. limit

7.6

Fire Potential

This chemical is combustible.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, carbon dioxide, hydrogen bromide, bromine fumes.

Transport Information

UN Number

3077

HS Code

2903 69 90