7-HYDROXYCOUMARIN

Safety Data Sheet
Emergency Telephone Number: CHEMTREC 1-800-424-9300       For Information call: DUDLEY 732-886-3100       
      DUDLEY CORPORATION
           	     125 Kenyon Drive
       				         	     Lakewood, New Jersey 08701
Effective Date: January 1, 2025
1. PRODUCT: Syn: Umbelliferone CAS No.: 93-35-6 E-C No.:202-240-3	Weight:  162.14g/mol Formula: C9H6O3

2. HAZARDS: GHS Class: Not a hazardous substance.

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 			 CAS No.	 	Percent		
7-Hydroxycoumarin	                  93-35-6                   99%                  

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. FIRE FIGHTING: Info: Wear self-contained breathing apparatus in positive pressure-demand, MSHA/NIOSH & full PPE. Irritating and highly toxic gases may be generated by thermal decomp/combustion. Extinguishing: Use Water spray, alcohol-resistant foam, carbon dioxide, or dry chemical, Hazards: Carbon oxides.  Flash Pt: N/A Auto-ignition Temp: N/A Explosion: N/A

6. ACCIDENTAL RELEASE:  Info: Use proper PPE as indicated in Section 8. Spills: Vacuum or sweep up material and place in a suitable disposal container. Avoid generating dusty conditions. Clean up spills immediately, observing precautions in the PPE section.

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Store in a tightly closed container.  Protect container from physical damage.  Store in a cool, dry ventilated area, away from incompatibles. 

8. EXPOSURE:  Facilities storing or utilizing this material should be equipped with any eyewash facility and safety shower.  Use adequate ventilation to keep airborne concentrations low.
Chemical 			ACGIH		NIOSH		OSHA – Final/Vacated PELs
7-Hydroxycoumarin		None listed	None listed	None listed

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: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

9. PHYSICAL & CHEM: Appearance: Off-white to beige/brown crystalline/powder Melting Pt: 230˚C (446˚F) 

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Avoid: dust generation. Incompatibilities: Strong oxidizing agents, strong bases. Haz Decomp Products: see section 5

11. TOXIC INFO:  RTECS# GN6820000 LD50/LC50: N/A. Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. Other: May cause respiratory irritation 

12. ECOLOGICAL INFO: No info.

13. DISPOSAL CONSIDERATIONS: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. U.S. 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 REGULATIONS: No info.

15. REGULATORY INFO: SARA 311/312: None Section 302 None of the chemicals in this product have a RQ or a TPQ.
Section 313No chemicals are reportable under Section 313. STATE is not present on state lists from CA, MN, MA, FL. 
Pa & NJ Right to Know:	7-Hydroxycoumarin  CAS#93-35-6
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# 93-35-6: No information available.
Canada - DSL/NDSL CAS# 93-35-6 is listed on Canada’s DSL list.  Canada – WHMIS: Not available.
CAS#93-35-6 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.