Note: Ingredients listed on restricted chemical lists
EC/CAS
201-132-3/78-67-1
Name of the chemical
2,2'-dimethyl-2,2'-azodipropiononitrile
Concentration
>=90-<=100
General Information
Version
6.17
Revision date
2026-04-09
Product name
2,2′-Azobis(2-methylpropionitrile)
CAS No.
78-67-1
Icons in SDS
Company Information
company name
Merck Life Science (Pty) Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
Melissa.byrne@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H242, H302, H302+H332, H332, H412
Hazard statements
Code
Statements
H242
Heating may cause a fire
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger Danger
Hazard statements
H242 Heating may cause a fire. H302 + H332 Harmful if swallowed or if inhaled. H412 Harmful to aquatic life with long lasting effects. confinement. H412 Harmful to aquatic life with long lasting effects.
Supplemental label elements
EUH044 Risk of explosion if heated under EUH044 Risk of explosion if heated under confinement.
Precautionary statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P235 Keep cool. P273 Avoid release to the environment. none
Response
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 Store in a well-ventilated place. Reduced Labelling (<= 125 ml)
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
ECOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
TOXICOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
2.1 Classification of the substance or mixture
Classification (REGULATION (EC) No 1272/2008) Self-reactive substances and H242: Heating may cause a fire. mixtures, Type C Acute toxicity, Category 4 H302: Harmful if swallowed. Acute toxicity, Category 4 H332: Harmful if inhaled. Long-term (chronic) aquatic hazard, H412: Harmful to aquatic life with long Category 3 lasting effects.
