Specialty Additives Available — Bulk Only

Oxybenzone (Benzophenone-3)

CAS 131-57-7 · Formula C14H12O3 · MW 228.24 g/mol

A benzophenone UV absorber that protects polymers and formulations from light-driven degradation. Established uses include UV stabilization of plastics and synthetic resins and service as a UV-absorber/UV-filter ingredient in personal-care formulations.

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CAS Number
131-57-7
Formula
C14H12O3
Molecular Weight
228.24 g/mol
Material Family
Specialty Additives
At a Glance
Material Family
Specialty Additives
Record Type
Pure compound
Primary Role
UV Protection
Solubility
< 1 mg/mL at 20 °C
Functional Roles
BENZOPHENONE-3
LIGHT STABILIZERUV ABSORBERUV FILTER
Applications & Use Cases
  • Plastics: ultraviolet-light absorber and stabilizer
  • Coatings and resins: photostabilizer for synthetic resins
  • Personal care: UV-filter / UV-absorber ingredient
Physical Properties
Melting Point
66 °C
Boiling Point
302 to 160 °C at 5 mmHg
Density
1.32 at 25 °C
Solubility
< 1 mg/mL at 20 °C
Vapor Pressure
0.00000142
Flash Point
100 °C
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
131-57-7
Molecular Formula
C14H12O3
Molecular Weight
228.24 g/mol
IUPAC Name
(2-hydroxy-4-methoxyphenyl)-phenylmethanone
INCI Name
BENZOPHENONE-3
PubChem CID
InChI Key
DXGLGDHPHMLXJC-UHFFFAOYSA-N
Synonyms & Trade Names
oxybenzone 2-HYDROXY-4-METHOXYBENZOPHENONE Benzophenone-3 2-Benzoyl-5-methoxyphenol Advastab 45 Oxybenzon Anuvex 4-Methoxy-2-hydroxybenzophenone Ongrostab HMB Oxibenzona Methanone, (2-hydroxy-4-methoxyphenyl)phenyl- Usaf cy-9 Spectra-sorb UV 9 Escalol 567 Chimassorb 90 Oxybenzonum Uvinul 9 Syntase 62 Uvistat 24
Full Description

Oxybenzone (benzophenone-3, CAS 131-57-7) is an aromatic ketone that functions as an ultraviolet-light absorber and stabilizer. Established uses include UV stabilization of plastics and synthetic resins and service as a UV-absorber/UV-filter ingredient in personal-care formulations. Supplied in bulk to manufacturers.

Frequently Asked Questions

Is benzophenone-3 the same as oxybenzone?

Yes. Benzophenone-3 and oxybenzone are two names for the same compound, CAS 131-57-7, an aromatic ketone (C14H12O3). INCI listings use 'Benzophenone-3'; the common chemical name is oxybenzone.

What is benzophenone-3 used for?

It functions as an ultraviolet-light absorber and stabilizer. Established uses include UV stabilization of plastics and synthetic resins, photostabilization in coatings, and service as a UV-filter/UV-absorber ingredient in personal-care formulations.

What is the difference between benzophenone-3 and benzophenone-4?

Both are benzophenone-class UV absorbers but distinct compounds with different CAS numbers and solubility profiles: benzophenone-3 (oxybenzone, CAS 131-57-7) is oil-soluble, while benzophenone-4 (sulisobenzone) is sulfonated and water-soluble. Specify which grade you require on your RFQ.

What CAS and HS code apply to benzophenone-3 for import documentation?

CAS 131-57-7, molecular formula C14H12O3, HS classification 291450. Request the CoA and SDS with each lot to confirm assay, identity, and GHS handling data for your records.

How is bulk benzophenone-3 packaged and priced?

It is supplied in bulk to manufacturers; packaging (bags, drums) and pricing depend on grade and volume, so we quote per order. Submit a bulk RFQ with your target volume and we will return a quote along with current CoA and SDS.

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.