Material Safety Data Sheet（V60）

2,2'-Azobis(2-methylpropionitrile)

· 2,2'-Azobis(2-cyanopropane)

· 2,2'-Azobis[2-methylpropanenitrile]

· 2,2'-Azobis[isobutyronitrile]

· 2,2'-Dimethyl-2,2'-azodipropionitrile

· Azodiisobutyronitrile

· Azobisisobutyronitrile

Formula

NC(CH₃)₂CN=NC(CH₃)₂CN

Structure

Description

White solid.

Registry Numbers and Inventories.

CAS

78-67-1

EC (EINECS/ELINCS)

201-132-3

EC Class

Explosive; Highly flammable; Harmful; Dangerous for the Environment

EC Risk Phrase

R 2 11 20/22 52/53

RTECS class

Other

UN (DOT)

3234

Beilstein/Gmelin

1708400

Swiss Giftliste 1

G-3625

Canada DSL/NDSL

DSL

US TSCA

Listed

Austrailia AICS

Listed

Japan ENCS (MITI)

Listed

Korea ECL

Listed

Properties.

Formula

C8H12N4

Formula mass

164.21

Melting point, °C

80

Boiling point, °C

236

Density

1.08 g/cm3

Solubility in water

Slightly soluble

Partition coefficient, pK_ow

1.26

Heat of vaporization

47.3 kJ/mol

Hazards and Protection.

Storage

Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator/flammables.

Handling

Wash thoroughly after handling. Minimize dust generation and accumulation. Use spark-proof tools and explosion proof equipment. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid contact with heat, sparks and flame. Do not ingest or inhale.

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 prevent skin exposure.

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.

Small spills/leaks

Remove all sources of ignition. DO NOT CLEAN-UP OR DISPOSE OF, EXCEPT UNDER SUPERVISION OF A SPECIALIST.

Stability

Substance is shock sensitive and thermally unstable.

Incompatibilities

Acetone (possible explosive decomposition); Heptane (possible explosion with the addition of heat)

Decomposition

Hydrogen cyanide, carbon monoxide, carbon dioxide.

Fire.

Flash Point,°C

97

Autoignition, °C

64

Fire fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Exposure to heat may promote violent decomposition. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Flammable solid. May be ignited by heat, sparks, and flame. Self-accelerating decomposition may occur if the temperature is not maintained. Material is sensitive to temperature rises. Above a given"control temperature"they decompose violently and catch fire. May decompose explosively when heated or involved in a fire. Vapors or dust may form explosive mixture with air. May burn violently. Decomposition may be self-accelerated and produce large amounts of gas. Extinguishing media: Use water spray to cool fire-exposed containers. For small fires, use dry chemical, carbon dioxide, water spray or regular foam. Cool containers with flooding quantities of water until well after fire is out.

Fire potential

Self-decomposition or self-ignition may be triggered by heat, chemical reaction, friction or impact. Self-accelerating decomposition may occur if the specific control temperature is not maintained.

Hazards

These materials are particularly sensitive to temperature rises. Above a given"Control Temperature"they decompose violently and catch fire. May be ignited by heat, sparks or flames. May burn violently. Decomposition may be self-accelerating and produce large amounts of gases. Vapors or dust may form explosive mixtures with air.

Combustion products

May produce irritating, toxic and/or corrosive gases.

NFPA

Health

3

Flammability

3

Reactivity

3

Health.

Poison_Class

1

Exposure effects

   Ingestion

May be fatal if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause liver and kidney damage. May cause degenerative brain changes.

   Inhalation

May cause respiratory tract irritation. Repeated exposure may cause liver damage.

   Skin

May cause skin irritation.

   Eyes

May cause eye irritation.

First aid

   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 immediately.

   Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

   Skin

Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.

   Eyes

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.

UN number

3234

Response guide

150

Hazard class

4.1

HS Code

2927 00 00.90