NIGROSIN W/S

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: Acid Black 2; C.I. 50420; C.I. Acid Black 2; Nigrosine; Nigrosin, water soluble; Nifrosin; Nigrosine WL 
                               water soluble.  CAS No.: 8005-03-6 Weight: 202.21g/mol 

2. COMPOSITION / INFO ON INGREDIENTS: 
Chemical 					CAS No.		Percent		Hazardous
C.I. Acid Black 2                                                        	8005-03-6        	  100%                        No
2.3: Other Hazards: none

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

HMIS Classification: Health hazard  0, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  0, Fire     0, Reactivity hazard   0

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: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full PPE. This material in sufficient quantity & reduced particle size is capable of creating a dust explosion. Hazards: Carbon & nitrogen oxides Extinguishing: Use water spray, dry chem, carbon dioxide, or alcohol-resistant foam. 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. 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, and clothing. Avoid breathing dust. Storage: Store in a cool, dry place protected from light away from oxidizing agents. 

8. EXPOSURE: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. 
Chemical                               ACGIH         NIOSH                    OSHA-Final /Vacated PELs 
C.I. Acid Black 2               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 regulation in 29 CFR 1910.133 or European Standard EN166. 0.11mm thick nitrile. Skin: Wear appropriate protective gloves to prevent skin exposure.  Clothing: Wear a chemical apron.  Respirators: A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

9. PHYSICAL & CHEM: Appearance: Black powder. Solubility: Soluble. 

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

11. TOXIC INFO: RTECS#: GC4762250 LD50/LC50: N/A Carcinogenicity: Not by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO:  No info. 

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 REGULATIONS:  No information

15. REGULATORY INFO: SARA 311/312: None
Section 302 (RQ) & Section 302 (TPQ) None of the chemicals in this material/products have a RQ or TPQ. 
Section 313 No chemicals are reportable under Section 313. STATE is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: C.I. Acid black 3  CAS#8005-03-6  
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# 8005-03-6: No information available. 
Canada-DSL/NDSL is listed on Canada’s DSL List. -WHMIS This product has a WHMIS classification of not controlled. 

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.