WATER BLUE 1
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: Calcoid Blue B, Acid Blue R, Chine Blue, Ink Blue A, Aniline blue 
CAS No.: 28631-66-5	Weight: 737.73	           Formula: C32H25N3Na2O9S3

2.HAZARDS: GHS Class: 	Skin irritation (Category 2)	Eye irritation (Category 2A)
Pictogram: 					
Signal Word:  WARNING
Hazard statement(s): H315 Causes skin irritation.  H319 Causes serious eye irritation. H335: May cause respiratory irritation
Precautionary statement(s):P280 Wear protective gloves. P264 Wash skin thoroughly after handling. P261: Avoid breathing dust/fume/gas/mist/vapors/spray. P304+P340+P312: IF INHALED: remove person to fresh air and keep comfortable for breathing. Call a Poison Center / doctor if you feel unwell. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P302 + P352:If on skin: Wash with plenty of soap & water. P362: Take off contaminated clothing and wash before reuse. P321 Specific treatment (see first aid instructions on label) P332 + P313: If skin irritation occurs: consult physician   P337 + P313: If eye irritation occurs: consult physician

HMIS Class: Health hazard  3, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard 3, Fire     0, Reactivity hazard   0

Potential Effects: Eye: Risk of serious damage to eyes.	Skin: Harmful in contact with skin. 
Ingestion: Harmful if swallowed. 		Inhalation: Harmful by inhalation. 
2.3: Other Hazards: none

3. COMPOSITION, INGREDIENTS:
Chemical  	                  CAS No.		 Percent	                              Hazardous
 C.I. Acid Blue 93		28631-66-5 		 	                       No	

4. FIRST AID: Eyes: rinse immediately with plenty of water 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 approved, and full protective gear. 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. 
Flash Pt: Not available. Auto-ignition Temp: Not available Explosion Limits: Not available.

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: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. 
  
8. EXPOSURE: 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  			ACGIH		NIOSH		OSHA - Final / Vacated PEL’s
C.I. Acid Blue 93			10 ppm TWA	10 ppm TWA	 10 ppm TWA 	10 ppm PEL
				15 ppm STEL	15 ppm ST			15 ppm STEL &40 ppm C

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 nitrile Clothing: Wear appropriate protective clothing to prevent skin exposure.  0.11mm nitrile Respirators: Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. 

9. PHYSICAL & CHEM: Appearance: purple - dark red-brown powder

10. STABILITY & REACTIVITY: Stability: Stable at room temp in closed containers under normal storage and handling conditions. Avoid: Incompatibles, dust generation. Incompatibilities:   Strong oxidizing agents.
Hazardous Decomp Products: Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, nitrogen.

11. TOXICOLOGICAL INFO: RTECS: DB4958000   LD50/LC50: Not available
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: No data 

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 & chronic health hazard
CERCLA Hazardous Substances and corresponding RQs  None of the chemicals in this material have an RQ. 
SARA Section 302 Extremely Hazardous Substances  None of the chemicals in this product have a TPQ.
Section 313   No chemicals are reportable under Section 313. 
STATE CAS# 28631-66-5 is not present on state lists from CA, MN, MA, FL. 
Pa/NJ Right to Know:Acid blue 93  CAS#28631-66-5  	
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 
Hazardous Symbols:      XI WGK (Water Danger/Protection) CAS# 28631-66-5: No information available.
Canada - DSL/NDSL CAS# 28631-66-5 is listed on Canada’s DSL List. 
Canada – WHMIS  WHMIS: Not available. CAS# 28631-66-5 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.