Glycols & Polyols Available — Bulk Only

1,4-Butanediol (BDO)

CAS 110-63-4 · Formula C4H10O2 · MW 90.12 g/mol

Short-chain diol chain extender that builds the hard segment in cast PU and TPU elastomers Reacts with isocyanate to raise modulus, hardness and tensile strength Standard chain extender paired with PTMEG/polyester polyols

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CAS Number
110-63-4
Formula
C4H10O2
Molecular Weight
90.12 g/mol
Material Family
Glycols & Polyols
At a Glance
Material Family
Glycols & Polyols
Primary Role
Crosslinking / Curing · Synthesis Intermediate
Functional Roles
Crosslinking / Curing Synthesis Intermediate
Industries Served
Plastics & Polymers Coatings & Construction Industrial Manufacturing
Applications & Use Cases
  • ▸ Short-chain diol chain extender that builds the hard segment in cast PU and TPU elastomers
  • ▸ Reacts with isocyanate to raise modulus, hardness and tensile strength
  • ▸ Standard chain extender paired with PTMEG/polyester polyols
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
110-63-4
Molecular Formula
C4H10O2
Molecular Weight
90.12 g/mol
IUPAC Name
butane-1,4-diol
PubChem CID
8064
InChI Key
WERYXYBDKMZEQL-UHFFFAOYSA-N
XLogP
-0.8
Full Description

Short-chain diol chain extender that builds the hard segment in cast PU and TPU elastomers Reacts with isocyanate to raise modulus, hardness and tensile strength Standard chain extender paired with PTMEG/polyester polyols

Frequently Asked Questions

What is 1,4-Butanediol (BDO) (CAS 110-63-4)?

1,4-Butanediol (BDO) (CAS 110-63-4) is a crosslinking / curing agent supplied by RawSource in bulk. Short-chain diol chain extender that builds the hard segment in cast PU and TPU elastomers

What is the molecular formula and weight of 1,4-Butanediol (BDO)?

Molecular formula C4H10O2, molecular weight 90.12 g/mol. IUPAC name: butane-1,4-diol

Is 1,4-Butanediol (BDO) hazardous?

Yes

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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.

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