C3H6N2S
102.16 g/mol
Industrial ChemicalDanger
ETHYLENE THIOUREA
CAS96-45-7EC202-506-9
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
rubber accelerator and curing agent
Ethylene thiourea (ETU) is an organosulfur compound used as a rubber accelerator and curing agent. It is a white solid with a heterocyclic ring structure.
rubber acceleratorcuring agent
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 96-45-7
Related Compounds
ReferenceSame Category
Butyrolactone
CAS96-48-0
Chemical solvent and intermediate
ReferenceSame Category
Ethylene carbonate
CAS96-49-1
Solvent for polymers and resins
ReferenceSame Category
2-Mercaptothiazoline
CAS96-53-7
rubber vulcanization accelerator
ReferenceSame Category
1-methylpyrrole
CAS96-54-8
Organic synthesis intermediate
Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H412Harmful to aquatic life with long lasting effects
H317May cause an allergic skin reaction
H402Harmful to aquatic life
H319Causes serious eye irritation
H373May cause damage to organs through prolonged or repeated exposure
H320Causes eye irritation
Customs Tariff Classification
The international HS code for ETHYLENE THIOUREA (CAS 96-45-7) is 2933.29.
HS code (international, 6-digit)
2933.29
EU CN code (8-digit)
2933 29 90
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
imidazolidine-2-thione
InChIKey
PDQAZBWRQCGBEV-UHFFFAOYSA-N
SMILES
C1CNC(=S)N1
Synonyms (70)
- ETU
- 1,3-Ethylene-2-thiourea
- 1,3-Ethylenethiourea
- 2-Imidazolidimethione
- 2-Imidazolidine-2-thione
- 2-Imidazolidinethione
- 2-Imidazolidinetione
- 2-Imidazoline-2-thiol
- 2-Imidozolidimethione
- 2-Mercapto-2-imidazoline
- 2-Mercaptoimidazoline
- 2-Merkaptoimidazolin
- 2-Merkaptoimidazolin [Czech]
- 2-Thioimidazolidine
- 2-Thiol-dihydroglyoxaline
- 2-Thionoimidazolidine
- 2-Thioxoimidazolidine
- Akrochem etu-22
- Akroform ETU-22 PM
- Aperochem ETU-22
- Cobalt(I I) nitrate
- ETHYLENE THIOUREA
- Ethlenethiourea
- Ethylene thiourea (ETU)
- Ethylene thiouree
- Ethylene thiouree [French]
- Ethylenethiocarbamide
- Ethylenethiourea (Standard)
- Imidazolidinethione
- Imidazoline, 2-mercapto-
- Imidazoline-2(3H)-thione
- Mercaptoimidazoline
- Mercazin I
- Mercozen
- N(OO(3)AAoea)
- N,N'-Ethylenethiourea
- NA 22
- Nocceler 22
- Pennac CRA
- Perkacit ETU
- Rhenogran ETU
- Rhodanin S 62
- Robac 22
- Rodanin S-62
- Rodanin S-62 [Czech]
- Sanceller 22
- Soxinol 22
- USAF EL-62
- Urea, 1,3-ethylene-2-thio-
- Vulkacit NPV/C
- Vulkacit NPV/C2
- Warecure C
- imidazolidine, 2-thio-
- l'Ethylene thiouree
- l'Ethylene thiouree [French]
- mancozeb TP1