EOSIN Y FREE ACID

Safety Data Sheet  
Emergency Telephone Number: CHEMTREC 1-800-424-9300            For Information call: DUDLEY  732-886-3100      
 					     DUDLEY CORPORATION
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       				          	Lakewood, New Jersey  08701
Effective Date: January 1,  2025
1. PRODUCT ID: CAS No.:15086-94-9  Weight: 647.90  Formula: C20H8Br4O5 Syn: 2,4,5,7-Tetrabromofluorescein (free acid); Solvent Red 43.; Acid red 87; Bromofluorescein; bronze bromo ES’ Bromo acid J. TS,XL,orXX; Eosin Yellowish

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
2.3: Other Hazards: none

3. COMPOSITION, INFO: 
Chemical Name                           CAS No.                     Percent                  Hazardous 
Eosin Y, Free Acid                        15086-94-9               90-95%                       No 

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. 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. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. Hazards: Carbon oxides – Hydrogen bromide gas Extinguishing: Use water Spray, dry chemical, carbon dioxide, or alcohol-resistant foam. 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/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the PPE Section. Avoid generating dusty conditions. Provide ventilation. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use with adequate ventilation. Storage: Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatibles. 

8. EXPOSURE, PPE: 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 
Eosin Y, Free Acid                   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.  0.11mm 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 EN 149 must be followed whenever workplace conditions warrant a respirator’s use. 

9. PHYSICAL & CHEM: Appearance: Pink to orange powder. pH: 6.55 at 29°C Melting Pt.: 255-270°C at 977.9 hPa Freezing Pt. 102 – decomposes before melting. Flash Pt. 191.6°C Solubility: 131.43 g/l at 25°C

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Avoid: Incompatibles, dust generation, excess heat. Incompatibilities: Strong oxidizing agents. Hazardous Decomposition Products: see section 5

11. TOXIC INFO: RTECS#: LM5800000 LD50/LC50: Oral Rat >2,000mg/kg Carcinogenicity: Not stated by IARC, ACGIH, NTP, OSHA

12. ECOLOGICAL INFO: LC50: Killifish – 1,200mg/l-48h, EC50 Water Flea >100 mg/l-48h 

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:  None
Section 302 (RQ) & Section 302 (TPQ) None of the chemicals in this material/product have an RQ or TPQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE: CAS# 15086-94-9 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: 2-(3,6-Dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)-benzoic acid  CAS#15086-94-9
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 
Hazard Symbols: Not available.  WGK (Water Danger/Protection ) CAS# 15086-94-9: No information available. 
Canada - DSL/NDSL CAS# 15086-94-9 is listed on Canada’s DSL List. 
Canada - WHMIS This product has a WHMIS classification of D2B. 

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.