C18H15O4P
326.3 g/mol
Industrial ChemicalWarning
TRIPHENYL PHOSPHATE
CAS115-86-6EC204-112-2
Category
Industrial Chemical
Compound Class
Ester
Primary Use
flame retardant and plasticizer
Triphenyl phosphate is a colorless solid and the simplest aromatic organophosphate ester, formed from phosphoric acid and phenol. It is primarily used as a flame retardant and plasticizer in various industrial materials.
flame retardantplasticizer
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
StrongStructure SimilarSimilarity 0.94
Tetraphenyl 1,4-phenylene bis(phosphate)
CAS51732-57-1
Flame retardant
SimilarStructure SimilarSimilarity 0.81
Resorcinol bis(diphenyl phosphate)
CAS57583-54-7
flame retardant
ApplicationSame Use
Tris(2-ethylhexyl)phosphate
CAS78-42-2
flame retardant and plasticizer
ReferenceSame Category
Tris(2-chloroethyl)phosphate
CAS115-96-8
Flame retardant plasticizer and viscosity regulator
ReferenceSame Category
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Organic synthesis reagent
ReferenceSame Category
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Monomer for polymer synthesis
ReferenceSame Category
N-Butyl-N-(3-chloropropyl)-1-butanamine hydrochloride
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Quaternary ammonium intermediate
Referencesame scaffold
Cresyl diphenyl phosphate
CAS26444-49-5
plasticizer and flame retardant
Safety Reference
Warning
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects
H303May be harmful if swallowed
H320Causes eye irritation
Regulatory Compliance1
- EU REACH SVHCEURegulation
Customs Tariff Classification
The international HS code for TRIPHENYL PHOSPHATE (CAS 115-86-6) 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
triphenyl phosphate
InChIKey
XZZNDPSIHUTMOC-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)OP(=O)(OC2=CC=CC=C2)OC3=CC=CC=C3
Synonyms (26)
- TPHP
- TPPA
- Altal
- Celluflex TPP
- Disflamoll TP
- Kronitex TPP
- Phenyl phosphate ((PhO)3PO)
- Phosflex TPP
- TPP; TPHP
- TRIPHENYL PHOSPHATE
- Trifenylfosfat
- Trifenylfosfat [Czech]
- Triphenoxyphosphine oxide
- Triphenyl Phosphate (TPP)
- Triphenyl Phosphate, Reagent
- Triphenyl phosphate (NIST)
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