CasNo：501-30-4
Product Name:Kojic acid
Molecular Formula:C6H6O4
Appearance:Tan powder
Purity:99%
Buy Reliable Best Quality Kojic acid 501-30-4 with Cheapest Price
- Molecular Formula:C6H6O4
- Molecular Weight:142.111
- Appearance/Colour:Tan powder
- Melting Point:152-155 °C
- Refractive Index:1.4434 (estimate)
- Boiling Point:401.7 °C at 760 mmHg
- PKA:7.9(at 25℃)
- Flash Point:179.9 °C
- PSA：70.67000
- Density:1.542 g/cm3
- LogP:-0.16230
Kojic acid(Cas 501-30-4) Usage
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Description |
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Physicochemical properties |
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Application and use |
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Chemical Properties |
tan powder |
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Uses |
A naturally occurring chelation agent. |
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Definition |
ChEBI: A pyranone that is 4H-pyran substituted by a hydroxy group at position 5, a hydroxymethyl group at position 2 and an oxo group at position 4. It has been isolated from the fungus Aspergillus oryzae. |
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Purification Methods |
Crystallise the acid from MeOH (charcoal) by adding Et2O. It sublimes at 150-200o/0.1torr. [Beilstein 18 II 57, 18 III/IV 1145, 18/2 V 516.] |
InChI:InChI=1/C6H6O4/c7-2-4-1-5(8)6(9)3-10-4/h1,3,7,9H,2H2
501-30-4 Relevant articles
Kojic acid applications in cosmetic and pharmaceutical preparations
Majid Saeedi a, Masoumeh Eslamifar b, Khadijeh Khezri c
, Biomedicine & Pharmacotherapy Volume 110, February 2019, Pages 582-593
Kojic acid (KA) has the ability to act as a UV protector, suppressor of hyperpigmentation in human and restrainer of melanin formation, due to its tyrosinase inhibitory activity. Also, KA could be developed as a chemo sensitizer to enhance efficacy of commercial antifungal drugs or fungicides.
Inhibition mechanism of kojic acid on polyphenol oxidase
Jon S. Chen, Cheng I Wei, and Marty R. Marshall
, J. Agric. Food Chem. 1991, 39, 11, 1897–1901
Since information concerning the mode of action of kojic acid on PPO was still limited, this study was undertaken to elucidate its action on some of these (mushroom, potato, apple, …
Facile reduction of carboxylic acids to primary alcohols under catalyst-free and solvent-free conditions
Harinath, Adimulam,Bhattacharjee, Jayeeta,Panda, Tarun K.
supporting information, p. 1386 - 1389 (2019/02/05)
We report the development of a facile pr...
501-30-4 Process route
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5-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxy)-2-(((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxy)methyl)-4H-pyran-4-one
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- 501-30-4,123712-78-7
5-hydroxy-2-(hydroxymethyl)-4H-pyran-4-one
| Conditions | Yield |
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With silica gel; In methanol; at 60 ℃; for 3h; Inert atmosphere;
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70% |
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- 26209-93-8
5-acetoxy-2-acetoxymethyl-4H-pyran-4-one
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- 501-30-4,123712-78-7
5-hydroxy-2-(hydroxymethyl)-4H-pyran-4-one
| Conditions | Yield |
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With sodium methylate; In methanol; for 1h;
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95% |
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With methanol; ammonia;
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