Phosphate Esters & Derivatives Available — Bulk Only

2,6,7-Trioxa-1-phosphabicyclooctane-4-methanol 1-oxide (PEPA)

CAS 5301-78-0 · Formula C5H9O5P · MW 180.10 g/mol

Phosphorus-rich, char-forming intumescent flame retardant and intermediate Building block for halogen-free flame retardant systems in plastics and coatings Reactive component for fire-resistant textile and polymer finishes

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CAS Number
5301-78-0
Formula
C5H9O5P
Molecular Weight
180.10 g/mol
Material Family
Phosphate Esters & Derivatives
At a Glance
Material Family
Phosphate Esters & Derivatives
Primary Role
Flame Retardancy · Synthesis Intermediate
Applications & Use Cases
  • Phosphorus-rich, char-forming intumescent flame retardant and intermediate
  • Building block for halogen-free flame retardant systems in plastics and coatings
  • Reactive component for fire-resistant textile and polymer finishes
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.

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Chemical Identity
CAS Number
5301-78-0
Molecular Formula
C5H9O5P
Molecular Weight
180.10 g/mol
IUPAC Name
(1-oxo-2,6,7-trioxa-1lambda5-phosphabicyclooctan-4-yl)methanol
PubChem CID
InChI Key
YASRHLDAFCMIPB-UHFFFAOYSA-N
XLogP
-1.5
Full Description

Phosphorus-rich, char-forming intumescent flame retardant and intermediate Building block for halogen-free flame retardant systems in plastics and coatings Reactive component for fire-resistant textile and polymer finishes

Frequently Asked Questions

What is 2,6,7-Trioxa-1-phosphabicyclooctane-4-methanol 1-oxide (PEPA) (CAS 5301-78-0)?

2,6,7-Trioxa-1-phosphabicyclooctane-4-methanol 1-oxide (PEPA) (CAS 5301-78-0) is a flame retardancy agent supplied by RawSource in bulk. Phosphorus-rich, char-forming intumescent flame retardant and intermediate

What is the molecular formula and weight of 2,6,7-Trioxa-1-phosphabicyclooctane-4-methanol 1-oxide (PEPA)?

Molecular formula C5H9O5P, molecular weight 180.10 g/mol. IUPAC name: (1-oxo-2,6,7-trioxa-1lambda5-phosphabicyclooctan-4-yl)methanol

Is 2,6,7-Trioxa-1-phosphabicyclooctane-4-methanol 1-oxide (PEPA) 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.