Note: Ingredients listed on restricted chemical lists
EC/CAS
78-67-1
Name of the chemical
2,2'-dimethyl-2,2'-azodipropiononitrile
Concentration
>= 80 - <= 100
General Information
Version
6.18
Revision date
2026-04-09
Product name
2,2′-Azobis(2-methylpropionitrile)
CAS No.
78-67-1
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H242, H302+H332, H401, H412
Hazard statements
Code
Statements
H242
Heating may cause a fire
Section 2
SECTION 2: Hazards identification
Long term hazards
Category 3 aquatic hazard
Other hazards
Risk of explosion if heated under confinement
Signal word
Danger
Hazard statements
H242 Heating may cause a fire. H302 + H332 Harmful if swallowed or if inhaled. H401 Toxic to aquatic life. H412 Harmful to aquatic life with long lasting effects.
Prevention
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P234 Keep only in original packaging. P261 Avoid breathing dust. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P301 + P312 + P330 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth. P304 + P340 + P312 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor if you feel unwell. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
Storage
P403 + P235 Store in a well-ventilated place. Keep cool. P420 Store separately.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Self-reactive chemicals : Type C Acute toxicity (Oral) : Category 4 Acute toxicity : Category 4 (Inhalation) Short-term (acute) : Category 2 aquatic hazard Long-term (chronic) : Category 3 aquatic hazard Other hazards Risk of explosion if heated under confinement.
