2,2'-Azobis(2-methylpropionitrile) 78-67-1 MSDS
Name: Azo-Iso-Butyronitrile Material Safety Data Sheet
Synonym: 2,2'-Azobisisobutyronitrile; Azodiisobutyronitrile; 2,2'-Dicyano-2,2'-azopropan
CAS: 78-67-1
Section 1 - Chemical Product   MSDS Name:Azo-Iso-Butyronitrile Material Safety Data Sheet
Synonym:2,2'-Azobisisobutyronitrile; Azodiisobutyronitrile; 2,2'-Dicyano-2,2'-azopropan

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
78-67-1 Azobisisobutyronitrile 100 % 201-132-3
Hazard Symbols: XN E
Risk Phrases: 11 2 20/22 52/53

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Highly flammable. Risk of explosion by shock, friction, fire or other sources of ignition. Harmful by inhalation and if swallowed.
Harmful to aquatic organisms; may cause long-term adverse effects in the aquatic environment.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May be fatal if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause liver and kidney damage. May cause central nervous system depression, characterized by excitement, followed by headache, dizziness, drowsiness, and nausea. Advanced stages may cause collapse, unconsciousness, coma and possible death due to respiratory failure. May cause degenerative brain changes. May cause convulsions.
Inhalation:
Effects may be delayed. May cause respiratory tract irritation. May cause effects similar to those described for ingestion. Repeated exposure may cause liver damage.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
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.
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.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Containers may explode in the heat of a fire. Dust can be an explosion hazard when exposed to heat or flame. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion.
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. For large fires flood fire with water from a distance.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Remove all sources of ignition. DO NOT CLEAN-UP OR DISPOSE OF, EXCEPT UNDER SUPERVISION OF A SPECIALIST.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Wash hands before eating. Use with adequate ventilation. 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.
Storage:
Keep away from sources of ignition. Store in a tightly closed container. Keep under a nitrogen blanket. Store in a cool, dry, well-ventilated area away from incompatible substances.
Refrigerator/flammables. Store below 20C.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local explosion-proof ventilation to keep airborne levels to acceptable levels.
Personal Protective Equipment 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.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Appearance: white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 221 deg F
Autoignition Temperature: 64 deg C ( 147.20 deg F)
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 85 deg C
Solubility in water: insoluble
Specific Gravity/Density:
Molecular Formula: C8H12N4
Molecular Weight: 164.21

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Substance is shock sensitive and thermally unstable.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat, electrical sparks, oxidizers, temperatures above 40C.
Incompatibilities with Other Materials:
Acetone (possible explosive decomposition); Heptane (possible explosion with the addition of heat) Hazardous Decomposition Products:
Hydrogen cyanide, carbon monoxide, oxides of nitrogen, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 78-67-1: UG0800000 LD50/LC50:
CAS# 78-67-1: Oral, mouse: LD50 = 700 mg/kg; Oral, rat: LD50 = 100 mg/kg.
Carcinogenicity:
Azobisisobutyronitrile - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: SELF-REACTIVE SOLID TYPE C TEMPERATURE CONTROLLED(Azo-i
Azo-iso-butyronitrile, Keep below 20oC (40oC for transp
Hazard Class: 4.1
UN Number: 3234
Packing Group: II
IMO
Shipping Name: SELF-REACTIVE SOLID TYPE C TEMPERATURE CONTROLLED(Azo-i
Azo-iso-butyronitrile, Keep below 20oC (40oC for transp
Hazard Class: 4.1
UN Number: 3234
Packing Group: II
RID/ADR
Shipping Name: SELF-REACTIVE SOLID TYPE C TEMPERATURE CONTROLLED(Azo-i
Azo-iso-butyronitrile, Keep below 20oC (40oC for transp
Dangerous Goods Code: 4.1(44b)
UN Number: 3234

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN E
Risk Phrases:
R 11 Highly flammable.
R 2 Risk of explosion by shock, friction, fire or
other sources of ignition.
R 20/22 Harmful by inhalation and if swallowed.
R 52/53 Harmful to aquatic organisms; may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 39 Wear eye/face protection.
S 41 In case of fire and/or explosion do not breathe
fumes.
S 47B Keep at temperature not exceeding 20C.
S 61 Avoid release to the environment. Refer to
special instructions/Safety data sheets.
WGK (Water Danger/Protection)
CAS# 78-67-1: 2
United Kingdom Occupational Exposure Limits
Canada
CAS# 78-67-1 is listed on Canada's DSL List.
CAS# 78-67-1 is not listed on Canada's Ingredient Disclosure List.
Exposure Limits
US FEDERAL
TSCA
CAS# 78-67-1 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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