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Testing Status of beta-Methylumbelliferone 10437-G


CASRN: 90-33-5

Formula: C10-H8-O3

Synonyms/Common Names

  • 7-Hydroxy-4-methylcoumarin (9CI)
  • Hymecromone

Known Uses

Anti-spasmodic agent, reagent (Merck 1989). Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (934521)  Completed 
    • Citation: Haworth, S., Lawlor, T., Mortelmans, K., Speck, W., and Zeiger, E. Salmonella mutagenicity test results for 250 chemicals Environ. Mutagen. Vol. 5 (Suppl 1) (1983) 3-142
    •  Negative