2,2',4,4'-四羟基二苯甲酮

Description

2,2',4,4'-Tetrehydroxybenzophenone · CAS 131-55-5 · C13H10O5. UNII PRR8K3H9VN. Boiling Point: 491 °C; Melting Point: 198.8 °C; Solubility: In water, 8,821 mg/L at 24.99 °C.

Identification

CAS Registry Number	131-55-5
PubChem CID	8571
Molecular formula	C13H10O5
IUPAC name	bis(2,4-dihydroxyphenyl)methanone
UNII (FDA)	PRR8K3H9VN

Computed Descriptors

Molecular Weight	246.21
XLogP3	2.4
Hydrogen Bond Donor Count	4
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	2
Exact Mass	246.05282342
Monoisotopic Mass	246.05282342
Topological Polar Surface Area	98
Heavy Atom Count	18
Formal Charge	0

Physical & Chemical Properties

Boiling Point	491 °C
Melting Point	198.8 °C
Solubility	In water, 8,821 mg/L at 24.99 °C
Solubility	In water, <1 g/100 mL at 30 °C
Density	1.21 g/cu cm at 25 °C
Collision Cross Section	152 Ų [M+H]+
Collision Cross Section	151.99 Ų [M-H]-

Physical description & handling notes

• Yellow needles
• Light yellow powder
• Very soluble in acetone, diethyl ether, ethanol
• Ethyl acetate 10, methanol 50, methyl ethyl ketone 22, toluene < 1 (all g/100 ml at 25 °C)
• Stable under recommended storage conditions.
• When heated to decomposition it emits toxic fumes of /nitrogen oxides/.

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Benzophenone-2) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Uv absorber
GHS notification summary	3.3% (13 / 393)

GHS Hazard Classification

GHS notification summary	3.3% (13 / 393)
Reported hazard statements	H302 (96.4%), H315 (33.8%), H317 (32.1%), H319 (60.6%), H335 (32.6%), H412 (26.5%)

Documented Uses

• Additives such as benzophenone-2 are commonly used in cosmetic products and food container plastics to filter out ultraviolet light...
• Cosmetics product ingredient: Benzophenone-2
• Information on 73 consumer products that contain Benzophenone-2 in the following categories is provided:
• Non-confidential 2016 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Methanone, bis(2,4-dihydroxyphenyl)-:
• Table: National Aggregate Production Volume (pounds) [Table#8425]
• Methanone, bis(2,4-dihydroxyphenyl)-: ACTIVE

Synonyms

131-55-5; 2,2',4,4'-Tetrahydroxybenzophenone; Bis(2,4-dihydroxyphenyl)methanone; Benzophenone-2; Methanone, bis(2,4-dihydroxyphenyl)-; Uvinol D-50; Uvinul D-50; 2,4,2',4'-Tetrahydroxybenzophenone; DTXSID5041306; PRR8K3H9VN; 2,2',4,4'-hydroxybenophenone; BENZOPHENONE, 2,2',4,4'-TETRAHYDROXY-; NSC-38556; DTXCID3021306; RefChem:566254; 205-028-9

Frequently Asked Questions

What are the CAS number and molecular formula of 2,2',4,4'-Tetrehydroxybenzophenone?

CAS 131-55-5; molecular formula C13H10O5; molecular weight — g/mol.

What other names is 2,2',4,4'-Tetrehydroxybenzophenone known by?

131-55-5, 2,2',4,4'-Tetrahydroxybenzophenone, Bis(2,4-dihydroxyphenyl)methanone, Benzophenone-2, Methanone, bis(2,4-dihydroxyphenyl)-, Uvinol D-50.

What is the regulatory status of 2,2',4,4'-Tetrehydroxybenzophenone?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Benzophenone-2) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Uv absorber.

Is 2,2',4,4'-Tetrehydroxybenzophenone classified as hazardous?

3.3% of GHS notifications report no hazard classification (13 of 393).

What are the key physical properties of 2,2',4,4'-Tetrehydroxybenzophenone?

Boiling Point: 491 °C; Melting Point: 198.8 °C; Solubility: In water, 8,821 mg/L at 24.99 °C; Solubility: In water, <1 g/100 mL at 30 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.