ERIOCHROME BLUE BLACK R

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:  Calcon, Palatine Chrome black 6BN, Mordant Black 17 CAS No.: 2538-85-4   E-C No.:219-810-2	
                              Weight:  416.38g/mol 	    Formula: C20H13N2NaO5S

2. HAZARDS ID: GHS:	None

2.3: Other Hazards: none

3. COMPOSITION / INFO: 
Chemical Name							    CAS No.	Percent		
Sodium 3-hydroxy-4-(2-hydroxy-1-naphthylazo)-1-naphthalenesulphonate            2538-85-4             100%                  

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 in pressure-demand, MSHA/NIOSH & full PPE. Irritating and highly toxic gases may be generated by thermal decomp/combustion. Hazards: Carbon, Nitrogen, Sulphur, sodium oxides. Extinguishing: Use water spray, dry chemical, 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: Clean up spills immediately, observing precautions in the Protective Equipment Section. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. 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 CONTROLS, PPE: Controls: 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 Name                          ACGIH                   NIOSH                OSHA-FINAL / Vacated PELs 
Eriochrome Blue-Black R           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 nitirile. 
Clothing: Wear appropriate protective clothing to prevent skin exposure. 

Respirators: A respiratory protection program that meets OSHA’s 29 CFR 1910.134 and ANSI conditions warrants a respirator’s use.. 

9. PHYSICAL & CHEM: Appearance: Dark brown-black powder. 

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

11. TOXICOLOGICAL INFO: RTECS#: QK2200000. 	LD50/LC50: LD50 Intravenous mouse 180 mg/kg 

Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: Environmental Fate/ Toxicity:  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 and local hazardous waste regulations to ensure complete and accurate classification. 
RCRA P-Series: None listed. RCRA U-Series: None listed. 

14. TRANSPORT INFO: No information available. 

15. REGULATORY INFO: SARA 311/312: none
Section 302 (RQ) & Section 302 (TPQ) None of the chemicals in this material/product have an RQ or TPQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 2538-85-4 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:   Sodium 3-hydroxy-4-(2-hydroxy-1-naphthylazo)-1-naphthalenesulphonate   CAS#2538-85-4
California Prop.65 components: 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# 2538-85-4: 1 
Canada - DSL/NDSL CAS# 2538-85-4 is listed on Canada’s DSL List. 
Canada - WHMIS: This product has a WHMIS classification of D2B. 

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.