C21H12N3O6PS
465.4 g/mol
Industrial ChemicalDanger
Tris(4-isocyanatophenyl) thiophosphate
CAS4151-51-3EC223-981-9
Category
Industrial Chemical
Compound Class
Other
Primary Use
polyurethane crosslinking agent
Tris(4-isocyanatophenyl) thiophosphate is an industrial chemical used primarily as a crosslinking agent in polyurethane formulations. Its structure features three isocyanate groups attached to a thiophosphate center, enabling it to form stable polymer networks.
crosslinking agent for polyurethane systemsindustrial chemical intermediate for polymer production
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
ApplicationSame Use
Triphenylmethane-4,4',4''-triisocyanate
CAS2422-91-5
polyurethane crosslinking agent
ReferenceSame Category
1-bromo-4-chloro-2-nitrobenzene
CAS41513-04-6
Industrial intermediate for synthesis
ReferenceSame Category
1-(3-chlorophenyl)methanamine
CAS4152-90-3
Chemical intermediate for synthesis
ReferenceSame Category
Bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate
CAS41556-26-7
UV stabilizer
ReferenceSame Category
Melamine-phosphate
CAS41583-09-9
Flame retardant additive
Referencesame scaffold
Tris(4-aminophenyl) thiophosphate
CAS52664-35-4
Thiophosphate ester intermediate
Safety Reference
Danger
H302Harmful if swallowed
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Customs Tariff Classification
The international HS code for Tris(4-isocyanatophenyl) thiophosphate (CAS 4151-51-3) 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
tris(4-isocyanatophenoxy)-sulfanylidene-lambda5-phosphane
InChIKey
KGLSETWPYVUTQX-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1N=C=O)OP(=S)(OC2=CC=C(C=C2)N=C=O)OC3=CC=C(C=C3)N=C=O
Synonyms (11)
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