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Triphenyl phosphate

Also known as: Triphenyl phosphate (TPP), Phosphoric acid triphenyl ester, Celluflex TPP, Disflamoll TP, Altal, Dymel, Phosflex TPP, Triphenoxyphosphine oxide

Triphenyl phosphate (CAS 115-86-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H15O4P and a molecular weight of 326.283 g/mol. Key properties include a melting point of 48-50 °C(lit.), a boiling point of 412.4±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 223.9±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
115-86-6
Jingsj CID
J-18933-3
Molecular Formula
C18H15O4P
Molecular Weight
326.283 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point48-50 °C(lit.)
Boiling Point412.4±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point223.9±0.0 °C
Exact Mass326.070801
PSA54.57000
LogP4.10
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.595
Additional Propertyinsoluble

GHS Safety & Compliance

Environmental HazardSignal word: Warning
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2919900090
Summary2919900090 other phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Triphenyl phosphate?

The CAS number of Triphenyl phosphate is 115-86-6.

What are the molecular formula and molecular weight of Triphenyl phosphate?

Triphenyl phosphate has molecular formula C18H15O4P and molecular weight 326.283 g/mol.

Is Triphenyl phosphate hazardous?

Triphenyl phosphate has GHS signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Triphenyl phosphate?

For Triphenyl phosphate, Upstream Products: Diphenyl chlorophosphate, Phenol, 2-Naphthol; Downstream Products: Tris(4-nitrophenyl) phosphate, 4-Phenylmorpholine, [1,1'-Biphenyl]-2-carboxylic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Triphenyl phosphate (CAS 115-86-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18933-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.