METHYL BLUE

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, 2024
1. PRODUCT ID: Syn:  Acid Blue 93, water blue, aniline blue w/s, Cotton blue, Poiriers blue 	CAS No.: 28983-56-4 
E-C No.:249-352-9	Weight:  799.80g/mol               Formula: C37H27N3Na2O9S3

2.HAZARDS ID:	GHS Classification:  Not a hazardous substances

HMIS Classification: Health hazard: 0, Flammability: 0, Physical hazard: 0			
NFPA RATING: Health hazard: 0, Fire: 0, Reactivity hazard: 0

Potential Health Effects: Eyes: May cause eye irritation.   Skin: May be harmful if absorbed through skin.  May cause skin irritation. Ingestion:  May be harmful if swallowed.     Inhalation:  May be harmful & cause respiratory irritation,    
2.3: Other Hazards: none   

3. COMPOSITION, INFO ON INGREDIENTS:
Chemical Name 		CAS No.		Percent		Hazardous
 Acid Blue 93		28983-56-4			       No	

4. FIRST AID MEASURES: Eyes: Flush eyes with plenty of water as a precaution. Skin: flush skin with plenty of soap & water Ingestion: If victim is conscious and alert, give water to rinse mouth. Do NOT induce vomiting. NEVER give anything by mouth to an unconscious person.  Inhalation: Remove to fresh air. If not breathing, give artificial respiration. Physician: Treat symptomatically and supportively.

5. FIRE FIGHTING MEASURES: Info: wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH approved or equivalent, and full protective gear.  Special Hazards: Carbon, Nitrogen, Sulfur & Sodium oxides. Combustible. Extinguishing: Water spray, Carbon dioxide, dry chemical powder or alcohol-resistant foam.

6. ACCIDENTAL RELEASE MEASURES: 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. Use with adequate ventilation. Minimize dust generation and accumulation.  Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Avoid prolonged or repeated exposure. 
Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.  

8. EXPOSURE CONTROLS, PERSONAL PROTECTION:  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
Acid Blue 93			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 nitrile
Clothing: Wear appropriate protective clothing to prevent skin exposure. 
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 & CHEMICAL PROPERTIES: Appearance: Blue-black powder. Flash Pt: > 300°C Melting Pt: > -23°C  

10. STABILITY & REACTIVITY: Stability: Stable at room temp in closed containers under normal storage & handling. Avoid: Incompatibles. Incompatibilities: Strong oxidizing agents Hazardous Decomposition Products: see section 5

11. TOXICOLOGICAL INFO: RTECS: Not available. LD50/LC50: Not available
Carcinogenicity: CAS# 28983-56-4:   Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO:  100% Readily biodegradable.

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 dangerous goods.

15. REGULATORY INFO: SARA 311/312: Acute Health Hazard
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# 28983-56-4  is not present.
California Prop 65:  No Significant Risk Level: None of the chemicals in this product are listed. 

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives 
Hazardous Symbols:  Not available.
WGK (Water Danger/Protection) CAS# 28983-56-4: Not available.
Canada - DSL/NDSL CAS# 28983-56-4 is not listed on Canada’s DSL List. 
Canada – WHMIS: Not available.
CAS# 28983-56-4  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.