Product Identification

Product Name

1,3,5-Trichlorobenzene

Synonyms

sym-Trichlorobenzene

CAS

108-70-3

Formula

C6H3Cl3

Molecular Weight

181.45

EINECS

203-608-6

RTECS

DC2100100

RTECS Class

Mutagen; Primary Irritant

Merck

12,9761

Beilstein/Gmelin

1635233

Beilstein Reference

4-05-00-00666

Physical and Chemical Properties

Appearance

White to off-white crystals.

Solubility in water

Insoluble

Melting Point

63.4

Boiling Point

208.4

Vapor Pressure

5 (9 C)

Density

1.4604 g/cm3 (20 C)

Partition Coefficient

4.19

Heat Of Vaporization

54.0 kJ/mol

Heat Of Combustion

-2782 kJ/mol

Usage

Component in trichlorobenzene mixt as dye solvent, degreasing solvent, dielectric fluid, & as lubricant additive.

Vapor Density

6.26

Refractive Index

1.5662 (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.

Eyes

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

Store in a cool, dry place. Store in a tightly closed container.

Handling

Wash thoroughly after handling. Use only in a well ventilated area. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

May cause respiratory tract irritation.

Skin

Causes skin irritation.

Eyes

May cause eye irritation.

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause liver and kidney damage. May be harmful if swallowed.

Hazards

Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase

R 22 51/53

EC Safety Phrase

S 36/37 60 61

UN (DOT)

2811

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 protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Exposure Effects

Prolonged or repeated skin contact may cause dermatitis. May cause liver and kidney damage. Chronic exposure can affect thyroid function.

Fire Fighting Measures

Flash Point

107

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Fire Potential

This chemical is combustible.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, acids.

Decomposition

Hydrogen chloride, carbon monoxide, carbon dioxide.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

2811

Hazard Class

6.1

Packing Group

I; II; III