KOJIC ACID, 99% 

Safety Data Sheet
Emergency Telephone No.: CHEMTREC 800-424-9300 		For Information call:  DUDLEY 732-886-3100      

 DUDLEY CORPORATION
          	   125 Kenyon Drive
       				          	   Lakewood, New Jersey 08701
Effective Date: January 1, 2025
1. PRODUCT:  Syn:5-Hydroxy-2-(hydroxymenthyl)-4H-pyran-4-one; 5-Hydroxy-2-(hydroxymenthyl)-4H- pyrone; 2-Hydroxymenthyl-5-hydroxy-gamma-pyrone  CAS No.:   501-30-4  EC-No: 207-922-4   Weight: 142.11  Formula: C6H6O4

2. HAZARDS: GHS:  Not a hazardous substance or mixture.

HMIS Class: Health hazard  0, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  0, Fire     0, Reactivity hazard   0
2.3: Other Hazards: none

3. COMPOSITION/INFO: 
Chemical Name				CAS No.		Percent		Hazardous 
Kojic Acid, 99% 				501-30-4	  99%		      No

4. FIRST AID: Eyes: rinse with plenty of water Skin: Rinse with plenty of soap & water Ingestion: Do not induce vomiting w/o medical advice. Rinse with water. Inhalation: Move to fresh air.  Physician: Treat symptomatically & supportively. 

5. FIREFIGHTING: Info: wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full PPE. Irritating and highly toxic gases may be generated by thermal decomp/combustion. Hazards: Carbon oxides. Combustible. Extinguishing: Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam. 

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spills/Leaks: Clean up spills immediately, observing precautions in the PPE Section. Sweep up, then place into a suitable container for disposal. Provide ventilation. 

7. HANDLING & STORAGE: 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 & inhalation. Use in a chemical fume hood. Storage: Store in a cool, dry place. Store in a tightly closed container. 

8. EXPOSURE: Use adequate ventilation to keep airborne concentrations low. Kojic acid: No occupational exposure limits are listed for this chemical. 

PPE: 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.  0.11mm thick nitrile. Clothing: Wear appropriate protective clothing to minimize contact with skin. Respirators: A respiratory protection program that meets OSHA’s 29 CFR 1910.134 and ANSIZ88.2 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. 

9. PHYSICAL & CHEM: Appearance:  White Melting Pt: 152-155˚C (306-311˚F) 

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. 
Avoid: Incompatibles, strong oxidants.  Incompatibilities: Strong Acids, Strong bases, strong oxidizing agents. 

11. TOXICOLOGICAL INFO: RTECS#: UQ0875000  LD50: Intraperitoneal-mouse-250mg/kg 
Carcinogenicity: Not listed by ACGIH, NTP, or OSHA.  IARC: Group3 not classifiable as carcinogen to humans.
Mutagenicity: histidine reversion (ames) 

12. ECOLOGICAL INFO:  No data. 

13. DISPOSAL CONSIDERATIONS: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.  RCRA P-Series: None listed.  RCRA U-Series: None listed. 

14. TRANSPORT INFO: Not Regulated

15. REGULATORY INFO: SARA 311/312:  None
Section 302 None of the chemicals in this product have a TPQ/RQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 501-30-4 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:	5-Hydroxy-2-hydroxymethyl-4-pyrone  CAS#501-30-4
California Prop.65: None of the chemicals are known to cause cancer, birth defects, or any other reproductive harm.
 
EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives
Hazard Symbols: Not available. WGK (Water Danger/Protection) CAS# 501-30-4: No information available.  
Canada None of the chemicals in this product are listed on the DSL or NDSL list. 
WHMIS: Not available. CAS# 501-30-4 is not listed on Canada’s Ingredient Disclosure List. 

16. DISCLAIMER INFO: DUDLEY CORPORATION provides the information herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this.  Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. DUDLEY CORPORATION makes no representations or warranties, either expressed or implied, including without limitation and warranties of merchantability, fitness for a particular purpose with respect to the information set forth herein or to the product to which the information refers. Accordingly, DUDLEY CORPORATION will not be responsible for damages resulting from the use of or reliance upon this information.