Phosphate Esters & Derivatives Available — Bulk Only

Triphenyl Phosphate (TPP)

CAS 115-86-6 · Formula C18H15O4P · MW 326.3 g/mol

Non-halogen flame retardant for engineering thermoplastics (PPO/PC-ABS) and cellulosic plastics Plasticizer and fire-resistance additive in coatings, films, and adhesives Solid aryl phosphate FR for rigid and semi-rigid polymer compounds

Safety Data Sheet
CAS Number
115-86-6
Formula
C18H15O4P
Molecular Weight
326.3 g/mol
Material Family
Phosphate Esters & Derivatives
At a Glance
Material Family
Phosphate Esters & Derivatives
Primary Role
Flame Retardancy · Plasticizing
Functional Roles
Applications & Use Cases
  • Non-halogen flame retardant for engineering thermoplastics (PPO/PC-ABS) and cellulosic plastics
  • Plasticizer and fire-resistance additive in coatings, films, and adhesives
  • Solid aryl phosphate FR for rigid and semi-rigid polymer compounds
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

Chemical Identity
CAS Number
115-86-6
Molecular Formula
C18H15O4P
Molecular Weight
326.3 g/mol
IUPAC Name
triphenyl phosphate
PubChem CID
InChI Key
XZZNDPSIHUTMOC-UHFFFAOYSA-N
XLogP
4.6
Full Description

Non-halogen flame retardant for engineering thermoplastics (PPO/PC-ABS) and cellulosic plastics Plasticizer and fire-resistance additive in coatings, films, and adhesives Solid aryl phosphate FR for rigid and semi-rigid polymer compounds

Frequently Asked Questions

What is Triphenyl Phosphate (TPP) (CAS 115-86-6)?

Triphenyl Phosphate (TPP) (CAS 115-86-6) is a flame retardancy agent supplied by RawSource in bulk. Non-halogen flame retardant for engineering thermoplastics (PPO/PC-ABS) and cellulosic plastics

What is the molecular formula and weight of Triphenyl Phosphate (TPP)?

Molecular formula C18H15O4P, molecular weight 326.3 g/mol. IUPAC name: triphenyl phosphate

Is Triphenyl Phosphate (TPP) hazardous?

Yes

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.