| Product Identification | Back to Contents | 【Product Name】
Kojic acid | 【Synonyms】
2-(Hydroxymethyl)-5-hydroxy-4H-pyran-4-one
5-Hydroxy-2-(hydroxymethyl)pyran-4-one
5-Hydroxy-2-hydroxymethyl-4H-pyran-4-one
5-Hydroxy-2-hydroxymethyl-4-pyrone | 【CAS】
501-30-4 | 【Formula】
C6H6O4 | 【Molecular Weight】
142.11000000000001 | 【EINECS】
207-922-4 | 【RTECS】
UQ0875000 | 【RTECS Class】
Tumorigen; Drug; Mutagen | 【Merck】
13,5334 | 【Beilstein/Gmelin】
120895 | 【Beilstein Reference】
5-18-01-00378 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White powder. | 【Solubility in water】
Soluble | 【Melting Point】
149 - 152 | 【Boiling Point】
323 | 【Density】
1.58 g/cm3 | 【pKa/pKb】
8.05 (pKa) | 【Partition Coefficient】
-2.45 | 【Usage】
Converted to maltol and ethyl maltol, flavor-enhancing additives. |
| First Aid Measures | Back to Contents | 【Ingestion】
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry place. Store in a tightly closed container. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use only in a chemical fume hood. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. | 【Inhalation】
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | 【Skin】
May cause skin irritation. | 【Eyes】
May cause eye irritation. | 【EC Risk Phrase】
R 40 | 【EC Safety Phrase】
S 22 36/37 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. | 【Respirators】
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions. |
| Fire Fighting Measures | Back to Contents | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Incompatibilities】
Oxidizing agents. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Carbon monoxide, carbon dioxide, acrid smoke and fumes. |
|
| Company Name: |
Hubei Honghan Biotech Co., Ltd |
| Tel: |
0719-0719-7199239 15675290733 |
| Fax: |
|
| WebSite: |
https://www.chemicalbook.com/ShowSupplierProductsList1901393/0.htm |
| Company Name: |
Xi'an Kono chem co., Ltd. |
| Tel: |
29-86107037-8016 15891718909 |
| Fax: |
15891718909 |
| WebSite: |
http://www.konochemical.com |
|