ERIOCHROME BLACK T

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: Syn:  Mordant black 11 CAS No.: 1787-61-7 E-C No.:217-250-3 Weight:  461.38g/mol Formula: C20H12N3NaO7S

2. HAZARDS ID: GHS: Eye Irritation (Cat. 2A)
Pictogram: 				               		
Signal Word:        WARNING
HAZARD STATEMENT(S): H411: Toxic to aquatic life with long lasting effects	H319: Causes serious eye irritation.
PRECAUTIONARY STATEMENT(S): P273: Avoid release into environment.   P391: Collect Spillage.
P501: Dispose of contents/container to an approved waste disposal plant.  P264: Wash skin thoroughly after handling. 
P280: Wear eye protection / face protection. P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337+P313: If eye irritation persists: Get medical attention. 

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: 
Chemical Name			 CAS No.	 	Percent		
Eriochrome Black T	                  	 1787-61-7               90-100%                  

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

5. FIRE FIGHTING: Info:  Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full PPE.  Irritating & highly toxic gases may be generated by thermal decomp/combustion. Hazards:  Carbon, nitrogen, sulfur, & sodium oxides - Combustible. Extinguishing:  use water, dry chemical, chemical foam, or alcohol-resistant foam.  Use water spray to cool fire expose containers.  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:  Vacuum or sweep up material & place into a suitable disposal container.  Vacuuming or wet sweeping may be used to avoid dust dispersal. Clean up spills immediately, observing precautions in the PPE section.  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 ingestion and inhalation. Storage:  Store in a tightly closed container.  Store in a cool, dry, well-ventilated area away from incompatibles.

8. EXPOSURE / 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 Black T		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 EN 166.  Skin:  Wear appropriate protective gloves to prevent skin exposure.  Clothing:  Wear appropriate protective clothing (Lab coat) to prevent skin exposure.
Respirators:  Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.  Always use a NIOSH or European Standard EN 149 approved respirator whenever work place conditions warrant respirator use.

9. PHYSICAL & CHEM: Appearance: Black crystalline powder.  Odor:  Odorless. 
Partition coefficient: n-octanol/water: log Pow: 1.78

10. STABILITY & REACTIVITY: Stability: Stable under ordinary conditions of use/storage. Avoid:  Incompatibles, dust generation, excess heat. Incompatibilities:  Strong oxidizing agents. Haz Decomp:  see section 5

11. TOXIC INFO: RTECS: QK2197000	LD50/LC50:      Oral Rat: LD50 = 17,590 mg/kg. 
Carcinogenicity: Not listed by ACGIH, IARC, IIOSH, NTP, or OSHA.                                    

12. ECOLOGICAL INFO: Fate/Toxicity: LC50 Fathead minnow-6 mg/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 REGULATIONS:  Not regulated.

15. REGULATORY INFO: SARA 311/312: No SARA Hazards
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#1787-61-7 is not present on state lists from CA, MN, MA, FL. 
Pa Right to Know: Sodium 3-hydroxy-4-[(1-hydroxy-2-napthyl)azo]-7-nitronaphthalene-1-sulphonate  CAS#1787-61-7
NJ Right to Know: Sodium 3-hydroxy-4-[(1-hydroxy-2-napthyl)azo]-7-nitronaphthalene-1-sulphonate  CAS#1787-61-7
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
Hazardous Symbols:    XI   WGK (Water Danger/Protection)   CAS#1787-61-7:  2
Canada – DSL/NDSL     CAS#1787-61-7 is listed on Canada’s DSL List.
Canada – WHMIS This product has been classified in accordance with the hazard criteria of the Controlled Product Regulations and the SDS contains all of the information required by those regulations.
CAS#1787-61-7 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.