Polymers & Resins Available — Bulk Only

para-Phenylene Diisocyanate (PPDI)

CAS 104-49-4 · Formula C8H4N2O2 · MW 160.13 g/mol

Rigid aromatic diisocyanate used to make high-performance polyurethane elastomers with excellent thermal and dynamic properties Crosslinks polyols/polyamines into PU prepolymers for demanding elastomer and roll-cover applications Delivers high hardness, heat resistance and load-bearing performance in cast PU

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CAS Number
104-49-4
Formula
C8H4N2O2
Molecular Weight
160.13 g/mol
Material Family
Polymers & Resins
At a Glance
Material Family
Polymers & Resins
Primary Role
Crosslinking / Curing · Synthesis Intermediate
Applications & Use Cases
  • Rigid aromatic diisocyanate used to make high-performance polyurethane elastomers with excellent thermal and dynamic properties
  • Crosslinks polyols/polyamines into PU prepolymers for demanding elastomer and roll-cover applications
  • Delivers high hardness, heat resistance and load-bearing performance in cast PU
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
104-49-4
Molecular Formula
C8H4N2O2
Molecular Weight
160.13 g/mol
IUPAC Name
1,4-diisocyanatobenzene
PubChem CID
InChI Key
ALQLPWJFHRMHIU-UHFFFAOYSA-N
XLogP
3.5
Full Description

Rigid aromatic diisocyanate used to make high-performance polyurethane elastomers with excellent thermal and dynamic properties Crosslinks polyols/polyamines into PU prepolymers for demanding elastomer and roll-cover applications Delivers high hardness, heat resistance and load-bearing performance in cast PU

Frequently Asked Questions

What is para-Phenylene Diisocyanate (PPDI) (CAS 104-49-4)?

para-Phenylene Diisocyanate (PPDI) (CAS 104-49-4) is a crosslinking / curing agent supplied by RawSource in bulk. Rigid aromatic diisocyanate used to make high-performance polyurethane elastomers with excellent thermal and dynamic properties

What is the molecular formula and weight of para-Phenylene Diisocyanate (PPDI)?

Molecular formula C8H4N2O2, molecular weight 160.13 g/mol. IUPAC name: 1,4-diisocyanatobenzene

Is para-Phenylene Diisocyanate (PPDI) 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.