C18H39O4P
350.5 g/mol
Industrial ChemicalWarning
Trihexyl phosphate
CAS2528-39-4EC219-774-8
Category
Industrial Chemical
Compound Class
Ester
Primary Use
plasticizer and flame retardant
Trihexyl phosphate is an industrial chemical primarily used as a plasticizer and flame retardant. Its long alkyl chains contribute to flexibility in polymer applications.
plasticizerflame retardant
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
SimilarStructure SimilarSimilarity 0.80
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plasticizer and flame retardant
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Epoxy resin intermediate
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Coupling agent for filled composites
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Trihexyl phosphate (CAS 2528-39-4) is 2919.90.
HS code (international, 6-digit)
2919.90
EU CN code (8-digit)
2919 90 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
trihexyl phosphate
InChIKey
SFENPMLASUEABX-UHFFFAOYSA-N
SMILES
CCCCCCOP(=O)(OCCCCCC)OCCCCCC
Synonyms (5)
- Trihexyl Phosphate (>90%)
- Trihexyl phosphate
- tri-n-hexyl phosphate
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