C5H9NO
99.13 g/mol
Industrial ChemicalDanger
TERT-BUTYL ISOCYANATE
CAS1609-86-5EC216-544-9
Category
Industrial Chemical
Compound Class
Other
Primary Use
isocyanate reagent for chemical synthesis
Tert-butyl isocyanate is an isocyanate reagent used in chemical synthesis, featuring a tert-butyl group attached to an isocyanate functional group. Its primary significance lies in its role as a versatile building block for introducing the tert-butyl and isocyanate moieties into organic molecules.
reagent for chemical synthesisbuilding block for organic compounds
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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Safety Reference
Danger
H225Highly flammable liquid and vapour
H301Toxic if swallowed
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for TERT-BUTYL ISOCYANATE (CAS 1609-86-5) 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
2-isocyanato-2-methylpropane
InChIKey
MGOLNIXAPIAKFM-UHFFFAOYSA-N
SMILES
CC(C)(C)N=C=O
Synonyms (13)
- 1,1-Dimethylethyl isocyanate
- 2-Isocyanato-2-methylpropane
- 2-methylpropan-2-isocyanate
- Butyl isocyanate, Tert-
- TERT-BUTYL ISOCYANATE
- t-C4H9NCO
- t-butyl-isocynate
- t-butylisocyanate
- tBuNCO
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