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MSDS 
:
 Azobisisobutyronitrile
CAS 
:
 78-67-1
SYNONYMS 
:
 2,2'-Azobis(isobutyronitrile); Azodiisobutyronitrile;     2,2'-Azobis(2-methylpropanenitrile); Vazo 64.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 78-67-1 |2,2'-Azobis(2-methylpropionitrile) | 98 | 201-132-3 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T F E
Risk Phrases: 11 2 20/21 25 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 in contact with
skin. Toxic 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. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. May cause gastrointestinal irritation with
nausea, vomiting and diarrhea. May cause liver and kidney damage.
Inhalation:
May cause respiratory tract irritation. Repeated exposure may cause
liver damage.
Chronic:
May cause liver and kidney damage.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid.
Skin:
In case of contact, immediately flush skin with plenty of water for
at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by
medical personnel. Never give anything by mouth to an unconscious
person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. 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. 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 burn violently. Decomposition
may be self-accelerated and produce large amounts of gas. Avoid
percussion and friction.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or appropriate foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Avoid generating dusty conditions. Remove all sources of ignition.
Provide ventilation. DO NOT CLEAN-UP OR DISPOSE OF, EXCEPT UNDER
SUPERVISION OF A SPECIALIST. Use only non-sparking tools and
equipment.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Minimize dust generation and
accumulation. Material is heat, shock and/or friction sensitive. Use
care in handling and storage. Use spark-proof tools and explosion
proof equipment. Avoid contact with eyes, skin, and clothing. Take
precautionary measures against static discharges. Keep container
tightly closed. Do not ingest or inhale. Keep away from heat, sparks
and flame. Avoid percussion and friction.
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. Store below 20C.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use adequate general or local explosion-proof ventilation to keep
airborne levels to acceptable levels.
Exposure Limits
CAS# 78-67-1:


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 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Powder
Color: white
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 102-105 deg C (dec)
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: 105 deg C
Solubility in water: insoluble
Specific Gravity/Density: 1.11 g/cm3 @ 20C
Molecular Formula: C8H12N4
Molecular Weight: 164.21

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Substance is shock sensitive and thermally unstable. Unstable. Can
explode on rapid heating or percussion.
Conditions to Avoid:
Mechanical shock, ignition sources, excess heat, friction, excess
light.
Incompatibilities with Other Materials:
Alkalies, aldehydes, ketones.
Hazardous Decomposition Products:
Hydrogen cyanide, nitrogen oxides, carbon monoxide, 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.
Oral, rat: LD50 = 100-200 mg/kg. (Kodak)
mg/kg. (Merck)
Carcinogenicity:
2,2'-Azobis(2-methylpropionitrile) -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****



**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: SELF-REACTIVE SOLID TYPE C, TEMPERATURE CONTROLLED
*
Hazard Class: 4.1
UN Number: 3234
Packing Group:
IMO
Shipping Name: SELF-REACTIVE SOLID TYPE C, TEMPERATURE CONTROLLED
Hazard Class: 4.1
UN Number: 3234
Packing Group: II
RID/ADR
Shipping Name: SELF-REACTIVE SOLID TYPE C, TEMPERATURE CONTROLLED
Hazard Class: 4.1
UN Number: 3234
Packing group: II

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T F E
Risk Phrases:
R 11 Highly flammable.
R 2 Risk of explosion by shock, friction, fire or
other sources of ignition.
R 20/21 Harmful by inhalation and in contact with
skin.
R 25 Toxic 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
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.
US FEDERAL
TSCA
CAS# 78-67-1 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 5/14/1998 Revision #3 Date: 10/10/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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