Specialty Additives Available — Bulk Only

4-Benzoyl-4′-methyldiphenyl sulfide (BMS)

CAS 83846-85-9 · Formula C20H16OS · MW 304.4 g/mol

Type II thioether-benzophenone photoinitiator with extended absorption, used with amine synergists in UV coatings (Coatings & Construction) Improves cure speed and surface cure of UV/UV-LED inks and varnishes (Industrial Manufacturing) Sensitizes cure of UV-curable plastics and adhesives (Plastics & Polymers)

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CAS Number
83846-85-9
Formula
C20H16OS
Molecular Weight
304.4 g/mol
Material Family
Specialty Additives
At a Glance
Material Family
Specialty Additives
Primary Role
Crosslinking / Curing
Functional Roles
Applications & Use Cases
  • Type II thioether-benzophenone photoinitiator with extended absorption, used with amine synergists in UV coatings (Coatings & Construction)
  • Improves cure speed and surface cure of UV/UV-LED inks and varnishes (Industrial Manufacturing)
  • Sensitizes cure of UV-curable plastics and adhesives (Plastics & Polymers)
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
83846-85-9
Molecular Formula
C20H16OS
Molecular Weight
304.4 g/mol
IUPAC Name
-phenylmethanone
PubChem CID
InChI Key
DBHQYYNDKZDVTN-UHFFFAOYSA-N
XLogP
5.9
Full Description

Type II thioether-benzophenone photoinitiator with extended absorption, used with amine synergists in UV coatings (Coatings & Construction) Improves cure speed and surface cure of UV/UV-LED inks and varnishes (Industrial Manufacturing) Sensitizes cure of UV-curable plastics and adhesives (Plastics & Polymers)

Frequently Asked Questions

What is 4-Benzoyl-4'-methyldiphenyl sulfide (BMS) (CAS 83846-85-9)?

4-Benzoyl-4'-methyldiphenyl sulfide (BMS) (CAS 83846-85-9) is a crosslinking / curing agent supplied by RawSource in bulk. Type II thioether-benzophenone photoinitiator with extended absorption, used with amine synergists in UV coatings (Coatings & Construction)

What is the molecular formula and weight of 4-Benzoyl-4'-methyldiphenyl sulfide (BMS)?

Molecular formula C20H16OS, molecular weight 304.4 g/mol. IUPAC name: -phenylmethanone

Is 4-Benzoyl-4'-methyldiphenyl sulfide (BMS) 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.