C3H7N
57.09 g/mol
Industrial ChemicalDanger
2-Methylaziridine
CAS75-55-8EC200-878-7
Category
Industrial Chemical
Compound Class
Amine
Primary Use
chemical intermediate in rubber and pharmaceuticals
2-Methylaziridine, also known as propyleneimine, is an industrial chemical used as a chemical intermediate. It can cause cancer according to an independent committee of scientific and health experts.
intermediate in rubber manufacturingintermediate in pharmaceutical productionadhesion improver for latex surface-coating resins
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 75-55-8
Related Compounds
SimilarStructure SimilarSimilarity 0.82
2,5-dimethylpiperazine
CAS106-55-8
research compound
SimilarStructure SimilarSimilarity 0.82
Trans-2,5-Dimethylpiperazine
CAS2815-34-1
pharmaceutical intermediate
ReferenceSame Category
Propylene oxide
CAS75-56-9
Production of polyethers and propylene glycol
ReferenceSame Category
Tetramethylammonium chloride
CAS75-57-0
Clay stabilizer and chemical intermediate
ReferenceSame Category
Dibromodifluoromethane
CAS75-61-6
Fire extinguishing agent
ReferenceSame Category
Tert-butylamine
CAS75-64-9
Chemical intermediate for rubber accelerators and insecticides
Referencesame scaffold
Aziridine
CAS151-56-4
Monomer for polyethyleneimine production
Safety Reference
Danger
H225Highly flammable liquid and vapour
H300Fatal if swallowed
H310Fatal in contact with skin
H318Causes serious eye damage
H330Fatal if inhaled
H350May cause cancer
H411Toxic to aquatic life with long lasting effects
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer
H314Causes severe skin burns and eye damage
H340May cause genetic defects
Customs Tariff Classification
The international HS code for 2-Methylaziridine (CAS 75-55-8) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-methylaziridine
InChIKey
OZDGMOYKSFPLSE-UHFFFAOYSA-N
SMILES
CC1CN1
Synonyms (16)
- 1,2-Propyleneimine
- 1,2-Propylenimine
- 2-Methylazacyclopropane
- 2-Methylaziridine
- 2-Methylethylenimine
- 2-methylethyleneimine
- Aziridine, 2-methyl-
- Methylaziridine
- Methylethylenimine
- Propilenimina
- Propilenimina [Spanish]
- Propylene imine
- Propylene imine (inhibited)
- Propylenimine