Glycols & Polyols Available — Bulk Only

Polytetramethylene ether glycol (PTMEG)

CAS 25190-06-1 · Formula C8H18O2 · MW 146.23 g/mol

Soft-segment polyether polyol for high-performance PU elastomers and TPU Higher-MW grade for softer, more extensible cast elastomers and spandex Provides resilience, abrasion and hydrolysis resistance

Safety Data Sheet
CAS Number
25190-06-1
Formula
C8H18O2
Molecular Weight
146.23 g/mol
Material Family
Glycols & Polyols
At a Glance
Material Family
Glycols & Polyols
Primary Role
Film Formation
Functional Roles
Applications & Use Cases
  • Soft-segment polyether polyol for high-performance PU elastomers and TPU
  • Higher-MW grade for softer, more extensible cast elastomers and spandex
  • Provides resilience, abrasion and hydrolysis resistance
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
25190-06-1
Molecular Formula
C8H18O2
Molecular Weight
146.23 g/mol
IUPAC Name
(2S)-2-butoxybutan-1-ol
PubChem CID
InChI Key
BJZYYSAMLOBSDY-QMMMGPOBSA-N
XLogP
1.6
Full Description

Soft-segment polyether polyol for high-performance PU elastomers and TPU Higher-MW grade for softer, more extensible cast elastomers and spandex Provides resilience, abrasion and hydrolysis resistance

Frequently Asked Questions

What is Polytetramethylene ether glycol (PTMEG) (CAS 25190-06-1)?

Polytetramethylene ether glycol (PTMEG) (CAS 25190-06-1) is a film formation agent supplied by RawSource in bulk. Soft-segment polyether polyol for high-performance PU elastomers and TPU

What is the molecular formula and weight of Polytetramethylene ether glycol (PTMEG)?

Molecular formula C8H18O2, molecular weight 146.23 g/mol. IUPAC name: (2S)-2-butoxybutan-1-ol

Is Polytetramethylene ether glycol (PTMEG) 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.