BRILLIANT BLUE R250
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: Acid Blue 83;  Coomassie Brilliant Blue R-250, C.I. 42660; Hydrogen [4-[4-(p-ethoxyanilino)-4' 
CAS No.: 6104-59-2 EC-No.: 228-060-5   Weight: 825.97   Formula: C45H44N3O7S2Na

2.HAZARDS: GHS:  Not a hazardous substance.
HMIS: Health hazard: 0    Flammability:  0     Physical hazards: 0		                          
NFPA RATING:  Health hazard: 0    Fire:  0    Reactivity hazard: 0

Potential Effects: Eyes: May cause eye irritation. Skin: May cause skin irritation. Ingestion: May cause gastrointestinal irritation w/ nausea, vomiting & diarrhea.  Inhalation: May cause respiratory tract irritation.  Chronic: No info found.
2.3: Other Hazards: none

3. COMPOSITION:
Chemical Name 			CAS No.		 Percent 		Hazardous                
Brilliant Blue R250			6104-59-2     	     100 %                             No
The toxicological properties of this material have not been fully investigated.

4. FIRST AID: Eyes: Flush eyes with plenty of water as 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 immediately. If not breathing, give artificial respiration. Physician: Treat symptomatically and supportively.

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH approved or equivalent, and full protective gear. Irritating and highly toxic gases may be generated by thermal decomposition or combustion.  This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. Extinguishing: Use water spray to cool fire expose containers.  Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam. Hazards: Carbon, nitrogen, sulfur, sodium oxides. 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 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. 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 PEL’s
Brilliant Blue R250			None listed	None listed	None listed
OSHA Vacated PELs:   Brilliant Blue R250: No OSHA Vacated PELs are listed for this chemical. 

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. 
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: Dark purplish-Brown powder. Odor: odorless Solubility: Water solubility

10. STABILITY & REACTIVITY: Stability: Stable at room temp in closed containers under normal storage and handling conditions. Avoid: N/A Incompatibilities: Strong oxidizing agents. Haz Decomp: Carbon monoxide, oxides of nitrogen, oxides of sulfur, carbon dioxide. Haz Polymerization: Will not occur

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

12. ECOLOGICAL INFO: 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: Not dangerous goods.

15. REGULATORY INFO: SARA 311/312 Hazards:  No SARA hazards.
SARA Section 302 Extremely Hazardous Substances:  None of the chemicals in this product has a RQ/TPQ.
Section 313:  No chemicals are reportable under Section 313
OSHA:  None of the chemicals in this product are considered highly hazardous by OSHA.. 
STATE: CAS#6104-59-2: Is not present on state lists from CA, MN, MA, FL.
Pa Right to Know:  Hydrogen [4[4-(p-ethoxyanilino)-4’-[ethyl(m-sulphonatobenzyl)amino]benzhydrylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(m-sulphonatob 
CAS#6104-59-2
NJ Right to Know: Hydrogen [4-[4-(p-ethoxyanilino)-4’-[ethyl(m-sulphonatobenzyl)amino]benzhydrylene]cyclohexa-s,5-dien-l-ylidene](ethyl)(m-sulphonatob  
CAS#6104-59-2
California 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:  N/A. Risk Phrases: N/A Safety Phrases:   S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection) CAS# 6104-59-2: no information available. 
Canada - DSL/NDSL CAS# 6104-59-2 is listed on Canada’s DSL List. 
Canada – WHMIS: This product has a WHMIS classification of NOT controlled.
CAS# 6104-59-2 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.