Oxybenzone

Name: Oxybenzone
Brand: Vaqora Chemicals
SKU: VQ-004250

About Oxybenzone

Oxybenzone is an active pharmaceutical ingredient (IP/BP/USP grade) carrying the CAS registry number 131-57-7. The compound has the formula C14H12O3, corresponding to a molecular weight of 228.24 g/mol. The IUPAC name is (2-hydroxy-4-methoxyphenyl)-phenylmethanone. It is also known as Benzophenone-3 or 2-Benzoyl-5-methoxyphenol.

The material typically appears as a pale yellow crystalline powder. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As an active pharmaceutical ingredient within our vitamins, excipients and other APIs range, it is offered in IP/BP/USP grade for formulation development, generic drug programmes and commercial manufacturing. Buyers come mainly from pharmaceutical manufacturing.

Vaqora Chemicals supplies Oxybenzone in 1 kg, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development
Nutraceutical & excipient use
Paints, coatings & inks

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Oxybenzone
Catalogue No.	VQ-004250
CAS Number	131-57-7
IUPAC name	(2-hydroxy-4-methoxyphenyl)-phenylmethanone
Molecular formula	C₁₄H₁₂O₃
Molecular weight	228.24 g/mol
Exact mass	228.0786
Grade	IP/BP/USP
InChIKey	DXGLGDHPHMLXJC-UHFFFAOYSA-N
SMILES	COC1=CC(=C(C=C1)C(=O)C2=CC=CC=C2)O
PubChem CID	4632

Physical properties
Physical form	Powder
Appearance	Pale yellow crystalline powder
LogP (XLogP3)	3.6
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Synonyms	Benzophenone-3, 2-Benzoyl-5-methoxyphenol, Advastab 45, Methanone, (2-hydroxy-4-methoxyphenyl)phenyl-, 4-Methoxy-2-hydroxybenzophenone, Ongrostab HMB, Usaf cy-9, Spectra-sorb UV 9, Chimassorb 90, Uvinul 9, Syntase 62, Uvistat 24

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 131-57-7

4-Methoxy-2-hydroxy benzophenone, 98%

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

VQ-008037

Frequently asked questions

What is the CAS number of Oxybenzone?

The CAS Registry Number of Oxybenzone is 131-57-7. It is also known as Benzophenone-3, 2-Benzoyl-5-methoxyphenol, Advastab 45.

What is the molecular formula and molecular weight of Oxybenzone?

Oxybenzone has the molecular formula C14H12O3 and a molecular weight of 228.24 g/mol. Its IUPAC name is (2-hydroxy-4-methoxyphenyl)-phenylmethanone.

Which grade and pack sizes of Oxybenzone can I order?

We supply Oxybenzone in IP/BP/USP grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Oxybenzone?

Yes. Every lot of Oxybenzone is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Oxybenzone be shipped internationally?

Yes. Oxybenzone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.