2,2'-二羟基-4,4'-二甲氧基二苯甲酮

Description

2,2'-Dihydroxy-4,4'-dimethoxybenzophenone · CAS 131-54-4 · C15H14O5. UNII 7813J9CS1G. Melting Point: 139.1 °C; Melting Point: MP: 139-149 °C.

Identification

CAS Registry Number	131-54-4
PubChem CID	8570
Molecular formula	C15H14O5
IUPAC name	bis(2-hydroxy-4-methoxyphenyl)methanone
UNII (FDA)	7813J9CS1G

Computed Descriptors

Molecular Weight	274.27
XLogP3	3.3
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	4
Exact Mass	274.08412354
Monoisotopic Mass	274.08412354
Topological Polar Surface Area	76
Heavy Atom Count	20
Formal Charge	0

Physical & Chemical Properties

Melting Point	139.1 °C
Melting Point	MP: 139-149 °C

Physical description & handling notes

• Crystals

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Benzophenone-6) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Uv absorber
GHS notification summary	29% (65 / 224)

GHS Hazard Classification

GHS notification summary	29% (65 / 224)
Reported hazard statements	H315 (20.1%), H319 (20.1%), H335 (19.6%), H411 (50.9%)

Documented Uses

• As ultraviolet light absorber, especially in paints, plastics.
• Table: Total uses/ranges for benzophenone-6 [Table#8581]
• Preparation: ... Hardy, Forster, United States of America patent 2773903 (1956 to American Cyanamide); Dayan, Roberts; Hahn, Stanley, United States of America patents 2853522 and 2853523 (both to General Aniline); Hosler, Storfer, United States of America patent 2928878 (1960 to American Cyanamide).
• 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-hydroxy-4-methoxyphenyl)-:
• Table: National Aggregate Production Volume (pounds) [Table#8580]
• Methanone, bis(2-hydroxy-4-methoxyphenyl)-: ACTIVE

Synonyms

131-54-4; 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone; Bis(2-hydroxy-4-methoxyphenyl)methanone; Benzophenone-6; Methanone, bis(2-hydroxy-4-methoxyphenyl)-; Cyasorb UV 12; Uvinul D 49; Caswell No. 353C; 2,2-Dihydroxy-4,4-Dimethoxybenzophenone; BENZOPHENONE 6; DTXSID6038875; 4,4'-Dimethoxy-2,2'-dihydroxybenzophenone; EINECS 205-027-3; NSC 40149; BRN 1887087; BENZOPHENONE, 2,2'-DIHYDROXY-4,4'-DIMETHOXY-

Frequently Asked Questions

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

CAS 131-54-4; molecular formula C15H14O5; molecular weight — g/mol.

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

131-54-4, 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone, Bis(2-hydroxy-4-methoxyphenyl)methanone, Benzophenone-6, Methanone, bis(2-hydroxy-4-methoxyphenyl)-, Cyasorb UV 12.

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

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Benzophenone-6) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Uv absorber.

Is 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone classified as hazardous?

29% of GHS notifications report no hazard classification (65 of 224).

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

Melting Point: 139.1 °C; Melting Point: MP: 139-149 °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.