Product Identification

Product Name

Di-p-tolylamine

Synonyms

4,4'-Dimethyldiphenylamine
4-Methyl-N-(4-methylphenyl)aniline
4-Methyl-N-(4-methylphenyl)benzenamine
N,N-Bis(4-methylphenyl)amine
N-p-Tolyl-p-toluidine

CAS

620-93-9

Formula

C14H15N

Molecular Weight

197.28

EINECS

210-659-8

Physical and Chemical Properties

Solubility in water

Insoluble

Melting Point

78 - 82

Boiling Point

331

Vapor Pressure

1.7E-4 (25 C)

Density

1.049 g/cm3 (20 C)

pKa/pKb

12.32 (pKb)

Partition Coefficient

3.89

Heat Of Vaporization

57.3 kJ/mol

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.

Eyes

In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Handling and Storage

Storage

Keep tightly closed. Store in a cool dry place.

Exposure Controls/Personal Protection

Personal Protection

Chemical safety goggles, chemically resistant gloves and protective clothing.

Respirators

Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Respiratory protection is not required. Where protection is desired, use multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges.

Exposure Effects

May cause irritation of the eyes, skin and mucous membranes.

Fire Fighting Measures

Flash Point

167

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

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. 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.

Combustion Products

Emits toxic fumes under fire conditions.