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Molekula

Molekula

2,4-Dihydroxybenzophenone

SKU 19338102 CAS 131-56-6 2,4-(OH)2-C6H3COC6H5 MW 214.22 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

2,4-Dihydroxybenzophenone is a UV-absorbing chemical widely used as a photostabilizer in plastics, cosmetics, and sunscreens to prevent degradation from sunlight. It is also employed in pharmaceutical formulations and as an intermediate in organic synthesis. This white to off-white crystalline powder has a CAS number of 131-56-6, a molecular formula of 2,4-(OH)2-C6H3COC6H5, and a molecular weight of 214.22 g/mol. It should be stored at ambient conditions and handled with caution, as it carries a "Warning" signal word for safety. Molekula supplies 2,4-Dihydroxybenzophenone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Pricing & pack sizes

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Specifications

Specifications available on request — see Documents below or contact our sales team.

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Light-yellow, crystalline solid
Melting Point 144 °C
Water Solubility Insoluble in water
Solubility (other solvents) Easily soluble in alcohol, ether, glacial acetic acid; scarcely soluble in cold benzene

Source: PubChem CID 8572 (HSDB)

Identification

Property Value
SKU 19338102
CAS Number 131-56-6
IUPAC Name (2,4-dihydroxyphenyl)-phenylmethanone
EC Number 205-029-4
Molecular Formula 2,4-(OH)2-C6H3COC6H5
Molecular Weight 214.22
Exact Mass 214.063
SMILES C1=CC=C(C=C1)C(=O)C2=C(C=C(C=C2)O)O
InChIKey ZXDDPOHVAMWLBH-UHFFFAOYSA-N
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
PubChem CID 8572
REACH Code Y110
TSCA Listed Yes
HTS Code 29145000
Tariff Code 2914500090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H361f Suspected of damaging fertility.
  • H412 Harmful to aquatic life with long lasting effects

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P263 Avoid contact during pregnancy/while nursing
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P501 Dispose of contents/container to an approved waste disposal plant

Documents

Safety Data Sheets (SDS)

We haven't published a Safety Data Sheet for this product yet. Ask us and we'll send you one.

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Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Quality certificates

Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.

Synonyms

  • Advastab 48
  • Benzoresorcinol
  • Inhibitor DHBP
  • Methanone, (2,4-dihydroxyphenyl)phenyl-
  • Quinsorb 010
  • Resbenzophenone
  • Syntase 100
  • Uvinol 400
  • Uvinul 400
  • Uvistat 12

Frequently asked questions

What is 2,4-Dihydroxybenzophenone primarily used for?

It is commonly used as a UV absorber in plastics, cosmetics, and sunscreens to protect against ultraviolet light degradation.

What is the chemical formula and molecular weight of 2,4-Dihydroxybenzophenone?

The formula is **C13H10O3** (2,4-(OH)₂-C6H3COC6H5) with a molecular weight of **214.22 g/mol**.

What is the hazard classification (signal word) for this compound?

The signal word is **Warning**, indicating it may cause irritation but is not highly hazardous under normal use.

How should 2,4-Dihydroxybenzophenone be stored?

Store it in a tightly sealed container at **ambient temperature**, away from direct sunlight and moisture.

Does Molekula supply this compound in bulk quantities?

Yes, we offer bulk quantities of 2,4-Dihydroxybenzophenone for industrial and commercial applications—please contact us for pricing and lead times.

What documentation is provided with an order of this chemical?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.

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