2’,7’-DICHLOROFLUORESCEIN

Safety Data Sheet
Emergency Telephone Number: CHEMTREC 1-800-424-9300       For Information call: DUDLEY 732-886-3100       
      DUDLEY CORPORATION
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Effective Date: January 1, 2025	
1. PRODUCT ID:  	CAS No.: 76-54-0 E-C No.:200-968-6	Weight:  401.20g/mol Formula: C20H10Cl2O5

2. HAZARDS ID: GHS: Not a hazardous substance or mixture.

HMIS Classification: Health hazard  1, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  1, Fire     0, Reactivity hazard   0
2.3: Other Hazards: none

3. COMPOSITION / INGREDIENTS: 
Chemical Name			 CAS No.	 	Percent		
2’,7’-Dichlorofluorescein	                76-54-0                    100%                  

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. Consult physician. Inhalation: Move to fresh air.  Physician: Treat symptomatically and supportively. 

5. FIREFIGHTING: Info: wear a self-contained breathing apparatus if necessary. Hazards: Carbon oxides & Hydrogen bromide gas Extinguishing: use water, dry chemical, carbon dioxide, or alcohol-resistant foam.

6. ACCIDENTAL RELEASE Info: Use proper PPE as indicated in Section 8. Spill/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 PPE Section. Provide ventilation.

7.  HANDLING & STORAGE: Handling: Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing & wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, & clothing. Do not ingest or inhale. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area.

8. EXPOSURE CONTROLS, PPE: Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.

CHEMICAL NAME	
ACGIH	
NIOSH	
OSHA - FINAL / Vacated PELs	

2',7'-Dichlorofluorescein	
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. 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 must be followed whenever workplace conditions warrant a respirator use.

9.  PHYSICAL & CHEM: Appearance: Orange to red-brown powder Odor: Odorless Melting Pt: 280˚C (536˚F)  Relative Density: 0.790g/cm3

10. STABILITY & REACTIVITY: Stability: Stable under normal temps & pressures. Avoid: None: Incompatibilities: Strong oxidizers. Hazardous Decomp: see section 5

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

12. ECOLOGICAL INFO: No information found.

13.  DISPOSAL CONSIDERATIONS: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. U.S. 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 information. RCRA P-Series:  None listed. RCRA U-Series:  None listed.

14.  TRANSPORT INFO: DOT (US)  / IMDG  / IATA   :  Not dangerous goods..

15.  REGULATORY INFO: SARA311/312: None
Section 302 (RQ & TPQ) None of the chemicals in this material have an RQ or TPQ.
Section 313 No chemicals are reportable under Section 313.
STATE  CAS# 76-54-0  is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:	2’,7’-Dichlorofluorescein  CAS#76-54-0
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
Hazardous Symbols:  Not available.
WGK (Water Danger/Protection)  CAS#76-54-0:  No information available.
Canada – DSL/NDSLCAS#76-54-0  is not listed on Canada’s DSL List.
Canada – WHMIS: WHMIS  is not controlled under WHMIS.
CAS#76-54-0 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.