FLUORESCEIN FREE ACID

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 ID:  Syn: Acid Yellow 73 CAS No.: 2321-07-5 E-C No.: 219-031-8 Weight:  332.31g/mol Formula: C20H12O5

2. HAZARDS ID: GHS Classification: 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 ON INGREDIENTS: 
Chemical Name							 CAS No.	 	Percent		
2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid	               		 2321-07-5                 100%                  

4. FIRST AID:  Eyes: Rinse with plenty of water for 15 min. and seek medical advice. 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 & supportively. 

5. FIREFIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, NSHA/NIOSH & full PPE. Irritating & highly toxic gases may be generated by thermal decomp/combustion.  Hazard:  N/a   Extinguishing: use water, dry chemical, chemical foam, 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. Reduce airborne dust and prevent scattering by moistening with water. Clean up spills immediately, observing precautions in the Protective Equipment section.

7. HANDLING & STORAGE:  Handling: Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin and clothing. Avoid ingestion and inhalation.  Storage: Store in a cool, dry place. Keep container closed when not in use.

8. EXPOSURE CONTROLS, PPE: Controls: Facilities storing or utilizing this material should be equipment with an eyewash and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Chemical Name			ACGIH			NIOSH		OSHA - Final / Vacated PELs
Fluorescein			None listed		None listed		None listed

PPE: Eyes: Safety glasses with side-shields. Skin: Usual safety precautions & adequate protection against this potential effect. 0.11mm thick nitrile Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Breathing apparatus only if aerosol or dust is formed.  Hands: 0.11mm nitrile gloves
Hygiene measures: Handle in accordance with good industrial hygiene and safety practice.

9. PHYSICAL & CHEM: Appearance: Red to orange to yellow-red Crystalline Powder Melting Pt: 320˚C (608˚F) 

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Avoid: Incompatibles, dust generation. Incompatibilities: Strong oxidizing agents. Haz Decomp: see section 5

11. TOXICOLOGICAL INFO: RTECS#: LM5075000 LD50/LC50: LD50 Intravenous mouse: 300 mg/kg

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 list 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 Health Hazard, Chronic Health Hazard
Section 302 (RQ) & Section 302 (TPQ) None of the chemicals in this product have an RQ or TPQ.
Section 313 No chemicals in this product are reportable under Section 313.
State: CAS# 2321-07-5 is not present on state lists from CA, MN, MA, FL. 
Pennsylvania Right to Know:	2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid  CAS#2321-07-5
New Jersey Right to Know:	2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid  CAS#2321-07-5
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: XI  WGK (Water Danger/Protection
Canada DSL/NDSL CAS#2321-07-5 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.