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1214004

USP

Dioxybenzone

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

2,2′-Dihydroxy-4-methoxybenzophenone, Dioxybenzone

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About This Item

Linear Formula:
CH3OC6H3(OH)COC6H4OH
CAS Number:
131-53-3
Molecular Weight:
244.24
MDL number:
MFCD00002218
UNSPSC Code:
41116107
PubChem Substance ID:
329749638
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

oxybenzone

manufacturer/tradename

USP

bp

170-175 °C/1 mmHg (lit.)

mp

73-75 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

COc1ccc(c(O)c1)C(=O)c2ccccc2O

InChI

1S/C14H12O4/c1-18-9-6-7-11(13(16)8-9)14(17)10-4-2-3-5-12(10)15/h2-8,15-16H,1H3

InChI key

MEZZCSHVIGVWFI-UHFFFAOYSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Dioxybenzone USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Dioxybenzone and Oxybenzone Cream

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Precautionary Statements

P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Rebecca K Moos et al.
International journal of hygiene and environmental health, 217(8), 845-853 (2014-07-11)
We developed a fast, selective and sensitive on-line LC/LC-MS/MS method for the simultaneous determination of nine parabens and seven environmental phenols in urine. Parabens are widely used as antimicrobial preservatives. Bisphenol A, triclosan, triclocarban, 2-phenylphenol, and benzophenones are used inter
Yoko Watanabe et al.
Toxicology and applied pharmacology, 282(2), 119-128 (2014-12-22)
Benzophenone-3 (2-hydroxy-4-methoxybenzophenone; BP-3) is widely used as sunscreen for protection of human skin and hair from damage by ultraviolet (UV) radiation. In this study, we examined the metabolism of BP-3 by rat and human liver microsomes, and the estrogenic and

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