Benzoresorcinol (2,4-Dihydroxybenzophenone)

Basic Information

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CAS Number

131-56-6

Molecular Formula

C13H10O3

Molecular Weight

214.22 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ketones

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

143.0 to 147.0 deg-C

Boiling Point

194 ºC (1 mmHg)

Flash Point

125 ºC

Refractive Index

1.5090 (estimate)

SMILES

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Oc1ccc(C(=O)c2ccccc2)c(O)c1

InChI

InChI=1S/C13H10O3/c14-10-6-7-11(12(15)8-10)13(16)9-4-2-1-3-5-9/h1-8,14-15H

InChIKey

ZXDDPOHVAMWLBH-UHFFFAOYSA-N

LogP

2.3288

Topological Polar Surface Area

57.53 Å²

Hydrogen Bond Donor/Acceptor

2 / 3

Complexity

246

Safety Information

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GHS Hazard Pictograms

H319

Hazard Statement

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

(2,4-Dihydroxyphenyl)(phenyl)methanone
BP-1
UV-0
Benzoresorcinol
4-benzoylresorcinol
Benzophenone-1
Ultraviolet absorber UV-0
2,4-Dihydroxy Benzophenone
Ultraviolet absorbent UV-0
2,4-Dihydroxybenzophenone(Benzophenone-1)
Uvinul? 3000
2,4-DHBP
2,4-dihydroxy-benzophenone
2,4-dihydroxyphenyl phenylmethanone
dastib263
hhb
SYNSORB
Uf 1
uv12
BF-1
DHB
(2,4-dihydroxyphenyl)phenyl-methanone
MGC4316
uf1
Uv 12
2,4-DIHYDROXYBENZOPHENONE
Resbenzophenone
Inhibitor DHBP
Uvinul 400
Advastab 48
Uvistat 12

MDL Number

MFCD00002277

Customs Code

29145000

FAQ

What is Benzoresorcinol (CAS: 131-56-6)?

Benzoresorcinol (2,4-Dihydroxybenzophenone, CAS: 131-56-6) is an organic compound with the chemical formula C13H10O3. It is a white crystalline solid known for its UV-absorbing properties and is commonly used as a photostabilizer. Benzoresorcinol exhibits mild hydrophilicity and is soluble in ethanol and other organic solvents. Its molecular structure features a benzophenone backbone with hydroxyl groups at the 2 and 4 positions, contributing to its chemical stability and reactivity in various applications.

What are the main uses of Benzoresorcinol (CAS: 131-56-6)?

Benzoresorcinol (CAS: 131-56-6) is widely used in pharmaceuticals as a UV filter in topical skin products. It also serves as an industrial additive for stabilizing plastics and coatings against UV degradation. In the food industry, it is employed as a permitted UV absorber in packaging materials. Additionally, it is utilized in research for organic synthesis and as a precursor in the development of other chemical compounds, including dyes and pharmaceutical intermediates.

Is Benzoresorcinol (CAS: 131-56-6) safe?

Benzoresorcinol (CAS: 131-56-6) is generally considered safe when handled properly, but it may cause mild skin irritation or allergic reactions in some cases. Safety data sheets (SDS) classify it as low toxicity, with minimal acute harm. However, protective measures such as gloves, goggles, and ventilation are recommended during handling. It is not classified as a carcinogen or mutagen, but adherence to standard chemical safety protocols is essential to minimize health risks.

How should Benzoresorcinol (CAS: 131-56-6) be stored?

Benzoresorcinol (CAS: 131-56-6) should be stored in a cool, dry place (ideally 2-8°C), away from light and moisture. It is best kept in airtight, light-resistant containers to maintain stability and prevent degradation. Avoid exposure to high humidity or temperature fluctuations, as these may affect its chemical integrity. Proper storage ensures long-term preservation and safety in both industrial and research settings.