Kojic Acid (CAS No. 501-30-4) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Fine Chemicals；Cosmetic Raw Materials；Hot Products. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.
Fine Chemicals；Cosmetic Raw Materials；Hot Products
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The CAS number of Kojic Acid is 501-30-4.
Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.
Main applications include Fine Chemicals；Cosmetic Raw Materials；Hot Products.
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Kojic Acid · CAS 501-30-4 · C6H6O4. UNII 6K23F1TT52. Melting Point: 153.5; Melting Point: 153.5 °C; Melting Point: 161 °C.
| CAS Registry Number | 501-30-4 |
|---|---|
| PubChem CID | 3840 |
| Molecular formula | C6H6O4 |
| IUPAC name | 5-hydroxy-2-(hydroxymethyl)pyran-4-one |
| UNII (FDA) | 6K23F1TT52 |
| Molecular Weight | 142.11 |
|---|---|
| XLogP3 | -0.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 142.02660867 |
| Monoisotopic Mass | 142.02660867 |
| Topological Polar Surface Area | 66.8 |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Melting Point | 153.5 |
|---|---|
| Melting Point | 153.5 °C |
| Melting Point | 161 °C |
| LogP | -0.64 |
| LogP | log Kow = -0.64 |
| Dissociation Constants | pKa = 7.66 (approx., at 25 °C) |
| Regulatory & Food Contact | CIR / INCI: Cosmetic ingredients (Kojic Acid) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Antioxidant |
|---|---|
| GHS notification summary | 86.2% (69 / 80) |
| GHS notification summary | 86.2% (69 / 80) |
|---|---|
| Reported hazard statements | H351 (13.8%) |
This chemical does not meet GHS hazard criteria for 86.2% (69 of 80) of all reports.
H351 (13.8%): Suspected of causing cancer [Warning Carcinogenicity]
kojic acid; 501-30-4; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one; 5-Hydroxy-2-(hydroxymethyl)-4-pyrone; 5-hydroxy-2-(hydroxymethyl)pyran-4-one; 5-Hydroxy-2-hydroxymethyl-4-pyrone; 4H-PYRAN-4-ONE, 5-HYDROXY-2-(HYDROXYMETHYL)-; acido kojico; 2-Hydroxymethyl-5-hydroxy-gamma-pyrone; 2-(Hydroxymethyl)-5-hydroxy-4H-pyran-4-one; DTXSID2040236; CHEBI:43572; 6K23F1TT52; NSC-1942; DTXCID0020236; Beaute
CAS 501-30-4; molecular formula C6H6O4; molecular weight — g/mol.
kojic acid, 501-30-4, 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one, 5-Hydroxy-2-(hydroxymethyl)-4-pyrone, 5-hydroxy-2-(hydroxymethyl)pyran-4-one, 5-Hydroxy-2-hydroxymethyl-4-pyrone.
Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Kojic Acid) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Antioxidant.
86.2% of GHS notifications report no hazard classification (69 of 80).
Melting Point: 153.5; Melting Point: 153.5 °C; Melting Point: 161 °C; LogP: -0.64.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.
Supplier: Jinan Shenghe Chemical Co., Ltd. · Reply within one business day.