Product Identification

Product Name

2-(5-Chloro-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-phenol

Synonyms

2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chloro-2H-benzotriazole

CAS

3864-99-1

Formula

C20H24ClN3O

Molecular Weight

357.88

EINECS

223-383-8

RTECS

SK3425000

RTECS Class

Other

Beilstein/Gmelin

572886

Physical and Chemical Properties

Solubility in water

Insoluble

Melting Point

154 - 156

Density

1.260 g/cm3 (20 C)

Partition Coefficient

7.07

First Aid Measures

Ingestion

Seek medical assistance.

Inhalation

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.

Skin

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes.

Eyes

Immediately flush with running water for at least 20 minutes.

Hazards Identification

Inhalation

Inhalation of material may be harmful.

Skin

Contact may cause burns.

Eyes

See Skin.

Hazards

Containers may explode when heated.

EC Risk Phrase

R 48/22 52/53

EC Safety Phrase

S 22 36/37 45

UN (DOT)

3077

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Fire Fighting Measures

Flash Point

234

Fire Fighting

Small Fires: Dry chemical, carbon dioxide, water spray or regular foam. Large Fires: Water spray, fog or regular foam.

Fire Potential

May burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks

Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent dust cloud. Avoid inhalation of asbestos dust.

Transport Information

UN Number

3077

Stability and Reactivity

Combustion Products

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