ERIOCHROME BLUE BLACK B

Safety Data Sheet
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      DUDLEY CORPORATION
           	  125 Kenyon Drive
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Effective Date: January 1, 2025

1. PRODUCT ID: Syn: Mordant Black 3 CAS No.: 3564-14-5 E-C No.:222-639-6 Weight:  416.38g/mol Formula: C20H13N2NaO5S

2. HAZARDS ID: GHS: Eye irritation (Category 2A)		
 Pictogram: 				
Signal Word:         WARNING
HAZARD STATEMENT(S):H319: Causes serious eye irritation.		
PRECAUTIONARY STATEMENT(S) : 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 present & easy to do so. Continue Rinsing.	P337 + P313: If eye irritation occurs: consult physician

HMIS Classification: Health hazard  2, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  2, Fire     0, Reactivity hazard   0
2.3: Other Hazards: none

3. COMPOSITION / INFO: 
Chemical Name			 CAS No.	 	Percent		
Eriochrome Blue Black B	                3564-14-5               100%                  

4. FIRST AID: Eyes: rinse with plenty of 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 & supportively. 

5. FIREFIGHTING: 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, sulphur, Nitrogen & sodium oxides. Extinguishing: Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.
Flash Pt:  Not applicable Auto-ignition Temp:  Not applicable Explosion Limits:  Not available.

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spill/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 only in well-ventilated area. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatibles.

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 PELs	

Eriochrome Blue Black B	
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. 0.11 mm thick nitrile. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: A respiratory protection program that meets OSHA’s 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN149 must be followed whenever workplace conditions warrant a respirator use.

9.  PHYSICAL & CHEM: Appearance: Black powder Odor: Odorless pH: 9.5 at 10g/l at 20˚C (68˚F) Solubility: 20 g/l at 20˚ C (68˚F) Bulk Density: 0.54 g/l Partition coefficient: n-octanol/water: log Pow: 1.96

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Avoid: Incompatibles, dust generation, exposure, excess heat, light. Incompatibilities: Strong oxidizing agents, nitrates, nitrites (possible liberation of nitosamines). Haz Decomp: see section 5

11. TOXICOLOGICAL INFO: RTECS#: qk2195000	LD50/LC50: LD50-Oral rat >5,000mg/kg 
Carcinogenicity: CAS# 3564-14-5: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.

12. ECOLOGICAL INFO: Ecotoxicity:  	LC50-rainbow trout-45mg/l-48h

13.  DISPOSAL CONSIDERATIONS: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. U.S. 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 information. RCRA P-Series:  None listed. RCRA U-Series:  None listed.

14.  TRANSPORT INFO: Not regulated.

15.  REGULATORY INFO: SARA311/312: Acute health Hazard.
Section 302 (RQ & TPQ)None of the chemicals in this material have an RQ or TPQ.
Section 313No chemicals are reportable under Section 313.
STATE CAS# 3564-14-5  is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: 	Sodium 3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]naphthalene-1-sulphonate 
CAS#3564-14-5
California Prop.65 components: None of the chemicals are known to cause cancer, birth defects, or any other reproductive harm.

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.