5,7-Dihydroxy-4-methylcoumarin

Synonyms

2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-methyl-; 4-Methyl-5,7-dihydroxycoumarin; 5,7-Dihydroxy-4-methyl-2H-1-benzopyran-2-one; Coumarin, 5,7-dihydroxy-4-methyl-; 5,7-Dihydroxy-4-methyl-2-benzopyrone; [ChemIDplus]

Category

Other Organic Compounds

Description

Yellow to white solid; Fluoresces blue; Absorbs UV light; [HSDB] White to cream solid; [MSDSonline]

Sources/Uses

Used in suntan oils as sun screen, in wall paints as whitening agent, a coupler in hair dyes, and an optical brightener (dyes, soaps, and plastics); [HSDB]

Comments

Negative in mutagenic tests; No information available on symptoms of exposure; [NTP] An irritant; [MSDSonline] See "Coumarin."

Biomedical References

Processes

Industrial Processes with risk of exposure:

• Dressing Hair
• Painting (Pigments, Binders, and Biocides)