C4H7NO
85.1 g/mol
Industrial ChemicalDanger
Propyl isocyanate
CAS110-78-1EC203-803-6
Category
Industrial Chemical
Compound Class
Other
Primary Use
Chemical intermediate for synthesis
Propyl isocyanate is a colorless liquid with a pungent odor. It is very toxic by ingestion and may be toxic by skin absorption and inhalation.
Chemical intermediate for synthesis of other chemicals
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.
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Related Compounds
ReferenceSame Category
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CAS110-80-5
industrial solvent and anti-icing additive
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Solvent and nylon production intermediate
ReferenceSame Category
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CAS110-83-8
Organic synthesis intermediate and solvent
ReferenceSame Category
Pyridine
CAS110-86-1
solvent and intermediate for pharmaceuticals
Safety Reference
Danger
H225Highly flammable liquid and vapour
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H332Harmful if inhaled
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Propyl isocyanate (CAS 110-78-1) is 2929.10.
HS code (international, 6-digit)
2929.10
EU CN code (8-digit)
2929 10 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
1-isocyanatopropane
InChIKey
OQURWGJAWSLGQG-UHFFFAOYSA-N
SMILES
CCCN=C=O
Synonyms (14)
- 1-Isocyanatopropane
- 1Propyl isocyanate
- 3-isocyanatopropane
- Isocyanic acid n-propyl ester
- Isocyanic acid, propyl ester
- PROPANE, 1-ISOCYANATO-
- Propyl isocyanate
- isocyanatopropane
- m-Propyl isocyanate
- n-Propyl isocyananate
- n-Propyl isocyanate
- normal propyl isocyanate
- propanisocyanate
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