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CAS No 501-30-4 , 5-hydroxy-2-(hydroxymethyl)pyran-4-one

  • Name: 5-hydroxy-2-(hydroxymethyl)pyran-4-one
  • Synonyms: 5-hydroxy-2-(hydroxymethyl)pyran-4-one; 5-Hydroxy-2-hydroxymethyl-4-pyrone; 5-Hydroxy-2-(hydroxymethyl)-4-pyrone;501-30-4; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one;
  • CAS Registry Number:
  • Transport: 10kg
  • Density: 1.542 g/cm3
  • Water Solubility: SOLUBLE
  • Safety Statements: S24/25
  • Hazard Symbols: Xn
  • HS Code: 29329995
  • EINECS: 207-922-4
  • Molecular Weight: 142.10944
  • InchiKey: BEJNERDRQOWKJM-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H6O4/c7-2-4-1-5(8)6(9)3-10-4/h1,3,7,9H,2H2
  • Risk Statements: S24/25,
  • Molecular Formula: C6H6O4
  • Molecular Structure:CAS No:501-30-4 5-hydroxy-2-(hydroxymethyl)pyran-4-one
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501-30-4 Kojic acid

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501-30-4 KOJIC ACID

  • Germany Cfm Oskar Tropitzsch [Manufacturer]
  • Tel: +49-9231-9619-0
  • Fax: +49-9231-9619-60
  • Address: Cfm Oskar Tropitzsch
    Waldershofer Str. 49-51
    95615 Marktredwitz
    Germany null,nullGermany
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501-30-4 5-HYDROXY-2-(HYDROXYMETHYL)-4-PYRONE

  • United States Advanced Synthesis Technologies [Manufacturer]
  • Tel: 619-423-7821
  • Fax: 619-423-7793
  • Address: Advanced Synthesis
    P.O. Box 437920
    San Ysidro, CA 92173 null,nullUnited States
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501-30-4 Kojic acid

  • China Luna Chemicals Co.,Ltd. null
  • Fax: +86-571-85775960
  • Address: 1502-1503,No.310 North Zhong Shan Rd., Hangzhou,China null,nullChina
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501-30-4 KOJIC ACID

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501-30-4 KOJIC ACID(RG)

  • United States ChromaDex Inc. [Manufacturer]
  • Tel: 949-419-0288
  • Fax: 949-419-0294
  • Address: ChromaDex Inc.
    10005 Muirlands Blvd. Suite G - First Floor
    Irvine, CA 92618 null,nullUnited States
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501-30-4 A2008 KOJIC ACID

  • United Kingdom Carbosynth Limited [Manufacturer]
  • Tel: +44 (0)1635 578444
  • Fax: +44 (0)1635 579444
  • Address: Carbosynth Limited
    8&9 Old Station Business Park
    Compton
    Berkshire
    RG20 6NE
    UK null,nullUnited Kingdom
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501-30-4 KOJIC ACID

  • United States Seidler Chemical Company [Manufacturer]
  • Tel: (973) 465-1122
  • Fax: (973) 465-4469
  • Address: 537 Raymond Blvd.
    Newark, NJ 07105 null,nullUnited States
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501-30-4 Kojic acid

  • China A & Z Food Additives.Co.,Ltd [Importer/Exporter]
  • Tel: 0086 571 85126931
  • Fax: 0086 571 85126959
  • Address: gucui road Hang zhou,Zhe JiangChina
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501-30-4 Kojic acid

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References of 5-hydroxy-2-(hydroxymethyl)pyran-4-one
Title: Kojic Acid
CAS Registry Number: 501-30-4
CAS Name: 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one
Synonyms: 5-hydroxy-2-(hydroxymethyl)-4-pyrone; 2-hydroxymethyl-5-hydroxy-g-pyrone
Molecular Formula: C6H6O4
Molecular Weight: 142.11
Percent Composition: C 50.71%, H 4.26%, O 45.03%
Literature References: Antibiotic substance produced in an aerobic process by a variety of microorganisms from a wide range of carbon sources. Isoln from Aspergillus oryzae: Saito, Bot. Mag. Tokyo 21, 249 (1907). Structure: Yabuta, J. Chem. Soc. 125, 575 (1924); Heyns, Vogelsang, Ber. 87, 13 (1954). Synthesis: Stacey, Turton, J. Chem. Soc. 1946, 661; Lichtenthaler, Heidel, Angew. Chem. Int. Ed. 8, 978 (1968). Industrial prepn: GB 826244 (1959 to Pfizer), C.A. 54, 11372e (1960). Mutagenicity study: C. I. Wei et al., Toxicol. Lett. 59, 213 (1991). Review: Beélik, Adv. Carbohydr. Chem. 11, 145-183 (1956); Wilson, "Miscellaneous Aspergillus Toxins" in Microbial Toxins vol. VI, A. Ciegler et al., Eds. (Academic Press, New York, 1971) pp 235-250.
Properties: Prismatic needles from acetone, ethanol + ether or methanol+ ethyl acetate, mp 153-154°. pKa 7.90, 8.03. Freely sol in water, ethanol, acetone; sparingly sol in ether, ethyl acetate, chloroform, pyridine. Absorption spectrum: Stacey, Turton.
Melting point: mp 153-154°
pKa: pKa 7.90, 8.03
Use: Converted to maltol and ethyl maltol, flavor-enhancing additives. Food additive to inhibit tyrosinase.