4(P-NITROPHENYLAZO)RESORCINOL

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: CAS No.: 74-39-5 E-C No.: 200-808-5	 Weight:  259.22g/mol 	Formula: C12H9N3O4

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

HMIS: 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		
4-(4-Nitrophenylazo)resorcinol			74-39-5	  	100% 

4. FIRST AID: Eyes: Rinse with water Skin: Rinse with plenty of soap & water Ingestion: Do not induce vomiting without 
medical advice. Rinse with water. Inhalation: Move to fresh air.  Physician: Treat symptomatically and supportively.

5. FIRE FIGHTING:  Info:  This product may be combustible at high temperatures. Wear self-contained breathing apparatus and PPE to prevent contact with skin and eyes.  Emits toxic fumes under fire conditions.  Haz: Carbon & Nitrogen oxides / Combustible. Extinguishing: Small fire Use DRY chem powder.  Large fire: Use water spray, fog or foam.  Do not use water jet. 	

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Sec 8. Spills/Leaks:  Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.  Avoid generating dusty conditions.  Provide ventilation. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse.  Use with adequate ventilation.  Minimize dust generation and accumulation.  Avoid contact with eyes, skin, & clothing.  Keep container tightly closed.  Avoid ingestion & inhalation. Storage: Store in a tightly closed container.  Store in a cool, dry, well-ventilated area 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
4-(4-Nitrophenylazo-resorcinol	None		None		None			 

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. 0.11 mm thick nitrile Clothing: Wear appropriate PPE to prevent skin exposure. 
Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.  Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

9. PHYSICAL & CHEM:  Appearance: Red powder Melting Pt: 200˚C  (392˚F)  

10. STABILITY & REACTIVITY:  Stability:  Stable under normal temp/pressures. Avoid:  Incompatibles, dust generation, strong oxidants. Incompatibilities:  Oxidizing & bases.  Haz Decomp:  see section 5

11. TOXIC INFO: RTECS:  VH2810000  LD50/LC50: N/A Carcinogenicity: Not by ACGIH, IARC, NTP, or CA Prop 65.

12. ECOLOGICAL INFO: Not 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 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                 SARA Section 302 Extremely Haz Substances  None have a TPQ.
Section 313 No chemicals are reportable under Section 313. STATE is not present on state lists from CA, NJ, MN, MA, FL. 
PA Right to Know:	4(4-Nitrophenylazo)resorcinol  CAS#74-39-5
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 
WGK (Water Danger/Protection) CAS#: 74-39-5: No information available. 
Canada - DSL/NDSL CAS# 74-39-5  is listed on Canada’s DSL List. 
Canada - WHMIS:  Not available.  This product has been classified in accordance with the hazard criteria of the Controlled Products Regulations and the MSDS contains all of the information required by those regulations.
 
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.