CHLORAZOL BLACK E
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:  Chlorazole Black E, Direct Black 38 CAS No.: 1937-37-7 E-C No.:217-710-3
Weight:  781.73g/mol 	Formula: C34H25N9.Na2O7S2

2. HAZARDS ID: GHS: Eye irritation (Category 2A)	Carcinogenicity (Category 1B)
			Reproductive toxicity (Category 2)
 Pictogram: 				  	
Signal Word:         DANGER
HAZARD STATEMENT(S):H319: Causes serious eye irritation. H361: Suspected of damaging fertility or the unborn child.	H350: May cause cancer. 	
PRECAUTIONARY STATEMENT(S) : P201: obtain special instructions before use P202: Do not handle until all safety precautions have been read and understood.  P405: Store locked up. P264: wash skin thoroughly after handling P280: Wear protective gloves/eye & face protection P305 + P351 + P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if easy to do so. Continue Rinsing. P308 +P313: If exposed or concerned: contact doctor/physician.  P337 + P313: If eye irritation occurs: consult physician P501: Dispose of contents/container to an approved waste disposal plant.
2.3: Other Hazards: none

3. COMPOSITION / INFO : 
Chemical Name			 CAS No.	 	Percent		
Direct Black 38		                1937-37-7               ~100%                  

4. FIRST AID: Eyes: rinse immediately with plenty of water for 15 min. 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. Irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing:  Use water spray, dry chemical, Carbon dioxide, or alcohol-resistant foam  Hazards: Carbon, nitrogen, sulphur, & sodium 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 Protective Equipment section. 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. Keep container tightly closed. Avoid ingestion and inhalation. Storage:  Keep container closed when not in use.  Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.   

8. EXPOSURE CONTROLS, PPE: Controls: 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 Name 		ACGIH		NIOSH		OSHA - Final / Vacated PEL’s
C.I. Direct Black 38		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 prevent skin exposure. 0.11 mm nitrile Respirators: Follow the OSHA respirator regulations found in 29CFR 1910.134, ANZI Z88.2 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. 

9. PHYSICAL & CHEM: Appearance: brown –black crystalline powder.

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

11. TOXICOLOGICAL INFO: RTECS: QJ6160000: LD50:  Oral, rat: 7600 mg/kg; convulsions/ seizure threshold; diarrhea IARC: Group 1- Carcinogenic to humans Reproductive: Possible risk of congenital malformation in the fetus, suspected human reproductive toxicant. Other:  stomach irregularities based on human evidence, moderate eye irritation

12. ECOLOGICAL INFO: Toxicity: LC50 fathead minnow >180mg/l-96h

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: Acute health Hazard, Chronic Health Hazard.
Section 313 Rev. Date 07/01/07    Direct black 38  CAS#1937-37-7
STATE  is not present on state lists from CA, MN, MA, FL. 
PA Right to Know: Direct Black 38 CAS#1937-37-7  Rev. Date 07/01/07
NJ Right to Know: Direct Black 38 CAS#1937-37-7  Rev. Date 07/01/07
Massachusetts Right to Know: Direct Black 38 CAS#1937-37-7  Rev. Date 07/01/07
California Prop.65 components: WARNING This product contains a chemical known to the State of CA to cause Cancer Direct black 38  Rev. Date 09/28/07

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives 
Hazardous Symbols:     T    WGK (Water Danger/Protection) CAS# 1937-37-7: Not available.
Canada - DSL/NDSLCAS# 1937-37-7 is listed on Canada’s DSL List.   Canada - WHMIS: D2A, D2B.
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. CAS# 1937-37-7 is  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.