Product Identification

Product Name

3,3'-Dimethyl-1,1'-biphenyl

Synonyms

1-Methyl-3-(3-methylphenyl)benzene
3,3'-Bitolyl
3,3'-Dimethyl-1,1'-biphenyl
3,3-Ditolyl
m,m'-Bitoluene
m,m'-Bitolyl

CAS

612-75-9

Formula

C14H14

Molecular Weight

182.27

EINECS

210-319-9

Physical and Chemical Properties

Appearance

Liquid

Solubility in water

1.4 mg/L (25 C)

Melting Point

5 - 7

Boiling Point

279

Vapor Pressure

0.007 (25 C)

Density

0.999 g/cm3 (25 C)

Partition Coefficient

4.9

Heat Of Vaporization

49.72 kJ/mol

Refractive Index

1.594 (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

Ingestion

May be harmful if swallowed.

Inhalation

Material may be irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.

Skin

May cause skin irritation. May be harmful if absorbed through the skin.

Eyes

May cause irritation.

Hazards

Emits toxic fumes under fire conditions.

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). Respiratory protection is not required. Where protection is desired, use multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges.

Fire Fighting Measures

Flash Point

113

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

Oxides of carbon.