C3H5ClO
92.52 g/mol
Industrial ChemicalDanger
2-(Chloromethyl)oxirane
CAS106-89-8EC203-439-8
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
production of epoxy resins
2-(Chloromethyl)oxirane, commonly known as epichlorohydrin, is an organochlorine compound and an epoxide. It is a colorless liquid with a pungent, garlic-like odor, moderately soluble in water and miscible with most polar organic solvents.
production of epoxy 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 106-89-8
Related Compounds
ReferenceSame Category
Glycidyl methacrylate
CAS106-91-2
monomer for epoxy resins
ReferenceSame Category
Allyl glycidyl ether
CAS106-92-3
Reactive diluent and resin intermediate
ReferenceSame Category
Propyl bromide
CAS106-94-5
Solvent for cleaning and degreasing
ReferenceSame Category
Allyl bromide
CAS106-95-6
chemical intermediate in organic synthesis
Referencestereoisomer of
(−)-epichlorohydrin
CAS51594-55-9
pharmaceutical intermediate
Referencestereoisomer of
(+)-epichlorohydrin
CAS67843-74-7
pharmaceutical intermediate
Referencestereoisomer of
2-[Chloro(²H₂)methyl](²H₃)oxirane
CAS69533-54-6
research compound
Safety Reference
Danger
H226Flammable liquid and vapour
H301Toxic if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H331Toxic if inhaled
H350May cause cancer
H318Causes serious eye damage
H330Fatal if inhaled
H361Suspected of damaging fertility or the unborn child
H412Harmful to aquatic life with long lasting effects
H341Suspected of causing genetic defects
H360May damage fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
H340May cause genetic defects
Customs Tariff Classification
The international HS code for 2-(Chloromethyl)oxirane (CAS 106-89-8) is 2910.30.
HS code (international, 6-digit)
2910.30
EU CN code (8-digit)
2910 30 00
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-(chloromethyl)oxirane
InChIKey
BRLQWZUYTZBJKN-UHFFFAOYSA-N
SMILES
C1C(O1)CCl
Synonyms (81)
- ECH
- (Chloromethyl)ethylene oxide
- (DL)-alpha-Epichlorohydrin
- (RS)-(chloromethyl)oxirane
- (rac)-epichlorohydrin
- (rs)-epichlorohydrin
- 1,2-Epoxy-3-chloropropane
- 1-Chloor-2,3-epoxy-propaan
- 1-Chlor-2,3-epoxy-propan
- 1-Chloro-2,3-epoxy propone
- 1-Chloro-2,3-epoxypropane
- 1-Cloro-2,3-epossipropano
- 2,3-Epoxypropyl chloride
- 2-(Chloromethyl)oxirane
- 2-Chloropropylene oxide
- 3-Chloro-1,2-epoxypropane
- 3-Chloro-1,2-propylene oxide
- 3-Chloropropene-1,2-oxide
- 3-Chloropropyl epoxide
- 3-Chloropropylene oxide
- Allyl chloride oxide
- Alyl chloride oxide
- Caswell No. 424
- Chloro-1,2-epoxypropane
- Chloro-1,2-propylene oxide
- Chloro-2,3-epoxypropane
- Chloromethyloxirane
- Chloropropene-1,2-oxide
- Chloropropyl epoxide
- Chloropropylene
- Chloropropylene oxide
- DL-a-Epichlorohydrin
- E181 [Russian epoxy resin]
- EPICHLOROHYDRIN [MART.]
- Epichloorhydrine
- Epichloorhydrine [Dutch]
- Epichlorhydrin
- Epichlorhydrine
- Epichlorhydrine [French]
- Epichlorohydryna
- Epichlorohydryna [Polish]
- Epichlorophydrin
- Epicloridrina
- Epicloridrina [Italian]
- Epoxy-3-chloropropane
- Epoxypropyl chloride
- Glycerol epichlorhydrin
- Glycerol epichlorohydrin
- Glycidyl chloride
- Ornidazole Impurity 11
- Oxirane, (chloromethyl)-
- Oxirane, 2-(chloromethyl)
- Propane, 1-chloro-2,3-epoxy-
- RCRA waste no. U041
- Rcra waste number U041
- SKEKhG
- a-Epichlorohydrin
- alpha-Epichlorohydrin
- beta-epoxypropylchloride
- epi-Chlorohydrin
- epichiorohydrin
- epichlorohydrine
- gamma-Chloropropylene oxide
- racemic epichlorohydrin
- racemic epichlorohydrine