Product Identification

Product Name

5-Bromo-2-methylaniline

Synonyms

2-Amino-4-bromotoluene
2-Methyl-5-bromoaniline
3-Bromo-6-methylaniline
5-Bromo-2-methylphenylamine

CAS

39478-78-9

Formula

C7H8BrN

Molecular Weight

186.05

EINECS

254-467-2

Physical and Chemical Properties

Solubility in water

0.26 g/L (25 C)

Melting Point

33

Boiling Point

260

Vapor Pressure

0.012 (25 C)

Density

1.49 g/cm3 (25 C)

pKa/pKb

10.62 (pKb)

Partition Coefficient

2.56

Heat Of Vaporization

49.80 kJ/mol

Refractive Index

1.614 (20 C)

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.

Eyes

In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage

Keep container tightly closed.

Hazards Identification

Inhalation

Material is irritating to mucous membranes and upper respiratory tract.

Skin

Causes irritation.

Eyes

Causes irritation.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

20/21/22 36/37/38

EC Safety Phrase

26 36

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.

Respirators

Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a dust mask type N95 (US) or type P1 (EN 143) respirator.

Exposure Effects

Harmful if swallowed, inhaled, or absorbed through skin. May cause cyanosis (blue-gray coloring of skin and lips caused by lack of oxygen).

Fire Fighting Measures

Flash Point

111

Fire Fighting

Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks

Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide, Nitrogen oxides, Hydrogen bromide gas.