HYDRINDANTIN DIHYDRATE 
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 ID: Syn: 2,2’,3,3,3’,3’-Hexahydroxy-2,2’-biindan-1,1’-dione   
CAS No.:  5950-69-6, EC-No.: 227-713-1, Weight:  358.29, Formula:  C18H14O8

2. HAZARDS ID:GHS Classification: Not a hazards substance or mixture. 
GHS Label elements: Not a hazard substance.

HMIS Classification:  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, INGREDIENTS:
Chemical 			CAS No.			Percent		
Hydrindantin Dihydrate 		5950-69-6	 	96%	 			 	

4. FIRST AID: Eyes: Flush eyes with water as a precaution. Skin:  flush skin with soap & water.  Ingestion: If victim is conscious and alert, give water to rinse mouth. Do NOT induce vomiting. NEVER give anything by mouth to an unconscious person.  Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Physician: Treat symptomatically and supportively.

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

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

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling.  Use with adequate ventilation.  Minimize dust generation and accumulation.  Avoid contact with eyes, skin and clothing.  Avoid ingestion and inhalation.
Storage: Store in tightly closed container when not in use.  Store in a cool, dry place away from incompatibles.

8. EXPOSURE: Facilities storing or utilizing this material should be equipped with an eyewash facility and safety shower. Use adequate ventilation to keep airborne concentrations low.
Chemical 			ACGIH		NIOSH		OSHA Final/Vacated PEL’s
Hydrindantin Dihydrate		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 EN 166. Skin:  Wear appropriate protective gloves to prevent skin exposure. 0.11mm 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 whenever workplace conditions warrant respirator use.

9. PHYSICAL & CHEM: Appearance:  Light beige to beige-pink powder. Melting Pt:  239 - 244° C (464°F).  

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Avoid: No data  Incompatibilities:  Strong oxidizing agents. Haz Decomp:  see section 5

11. TOXIC INFO: RTECS: N/A  LD50/LC50:  N/A Carcinogenicity:  Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.

12. ECOLOGICAL INFO: No date.

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 dangerous goods.

15. REGULATORY INFO: SARA 311/312 Hazards:  No SARA hazards.
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a RQ/TPQ.
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 5950-69-6:  is not present on state lists from CA, MA, MN, FL.
PA & NJ Right to Know:  2,2’,3,3’,3’-Hexahydrohy-2,2’-bisindan-1,1’-dione  CAS#5950-69-6
 California Prop 65: No Significant Risk Level: None of the chemicals in this product are listed. 

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives 
Hazardous Symbols:    None listed.	WGK (Water Danger/Protection) CAS#5950-69-6:  No information available. 
Canada - DSL/NDSLCAS#5950-69-6 is listed on Canada’s NDSL List.    
Canada – WHMIS   WHMIS:  Not available.  CAS#5950-69-6 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.