N-HYDROXYPHTHALIMIDE

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:	CAS No.: 524-38-9 E-C No.:208-358-1 Weight:  163.13g/mol    Formula: C8H5NO3

2. HAZARDS: GHS: Not a hazardous 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 / INFO ON INGREDIENTS: 
Chemical 				 CAS No.	 	Percent		
N-Hydroxyphthalimide	                  524-38-9                   98%                  

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 a self-contained breathing apparatus if necessary. Extinguishing:   Use water spray, dry chemical, Carbon dioxide, or alcohol-resistant foam. Hazards: Carbon & Nitrogen oxides

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 immediately, 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 ingestion and inhalation. Avoid contact with eyes, skin, 
and clothing. Wash clothing before reuse. 
Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. 

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
N-Hydroxyphthalimide			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 nitrile Clothing: Wear appropriate protective clothing to prevent skin exposure. 
Respirators: Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirators when necessary. 

9. PHYSICAL & CHEM: Appearance: White to off-white crystalline powder Melting Pt: 233˚C (451˚F) 

10. STABILITY & REACTIVITY: Stability: Stable at room temp in closed containers under normal storage/handling. Avoid: Incompatibles, dust generation, excess heat. Incompatibilities: Oxidizing agents & strong bases. Haz Decomp: see sec 5

11. TOXIC INFO: RTECS:TI5200000 LD50/LC50: N/A Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: No information available.

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 & local hazardous waste regulations to ensure complete and accurate classification. RCRA P-Series: None. RCRA U-Series: None. 

14. TRANSPORT INFO: Not regulated.

15. REGULATORY INFO: SARA 311/312: None
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ/RQ.
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 524-38-9  is not present on state lists from CA, MN, MA, FL. 
Pa & NJ Right to Know:	N-Hydroxyphthalimide CAS#524-38-9
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 
Hazardous Symbols: XI	WGK (Water Danger/Protection): CAS# 524-38-9: No information available. 
Canada - DSL/NDSL: CAS# 524-38-9  is listed on Canada’s NDSL List. 
Canada – WHMIS: This product has a WHMIS classification of D2B.  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.