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Testing Status of Estragole 10259-V


CASRN: 140-67-0

Formula: C10-H12-O

Synonyms/Common Names

  • 4-Allylanisole
  • 4-Allyl-1-methoxybenzene
  • Chavicol methyl ether
  • Estragole
  • 1-Methoxy-4-(2-propenyl)benzene
  • Methyl chavicol
  • p-Methoxyallylbenzene

Known Uses

In perfumes and as flavor in foods and liquors (Merck 1989). Also used as an antimicrobial agent against acid-tolerant food microflora. Found naturally in tarragon, basil & fennel. 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)

Short-Term Toxicity

  • 4 days (Gavage)  (C10259)  Completed 
    • Liver Targeted Testing study of Toxcast Chemicals
    • Rats: Harlan Sprague-Dawley
    • Dose: Male rats: 0, 600 mg/kg/day.
  • 13 weeks (Gavage)  (C60946)  Completed 
    • TOX-82 (NIH Number: 11-5966)
      3-Month Toxicity Studies of Estragole (CASRN 140-67-0) Administered by Gavage to F344/N Rats and B6C3F1 Mice
    • Rats: F344/N; Mice: B6C3F1
    • Dose: R&M: 0, 37.5, 75, 150, 300, OR 600 MG/KG; 10/SEX/DOSE.

Special Studies

  • Absorption Disposition Metabolism Elimination (Gavage; in-vitro)  (S0798)  Completed 
    • Citation: Iyer LV, Ho MN, Shinn WM, Bradford WW, Tanga MJ, Nath SS, Green CE. Glucuronidation of 1'-hydroxyestragole (1'-HE) by human UDP-glucuronosyltransferases UGT2B7 and UGT1A9. Toxicol Sci. 2003 May;73(1):36-43. Epub 2003 Mar 25.Pubmed Abstract
    • Rats: F344/N; Mice: B6C3F1; Human (Cell Lines)

Genetic Toxicology

  • Micronucleus  (A82089)  Completed 
    • Mice: B6C3F1
    • Male Negative 
    • Female Negative 
  • Salmonella  (802383)  Completed 
    • Citation: Zeiger E, Anderson B, Haworth S, Lawlor T, Mortelmans K, Speck W. Salmonella mutagenicity tests: III. Results from the testing of 255 chemicals. Environ Mutagen. 1987;9 Suppl 9:1-109.
    •  Negative 


  • 4 days Microarray Analysis (Gavage)  (T10259)  Completed 
    • Liver Targeted Testing study of Toxcast Chemicals
    • Rats: Harlan Sprague-Dawley
    • Dose: not provided; 6 rats.