CRESYL VIOLET ACETATE CERTIFIED
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: CVA.   CAS No.: 10510-54-0. EC-No. 234-043-3   Weight: 320.32. Formula: C18H14N3O3 

2. HAZARDS ID; GHS Classification:  Not a hazardous substance

Potential Health Effects: Eye: Causes eye irritation.  Skin: May cause skin irritation. 
Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this material have not been fully investigated.  Inhalation: Causes respiratory tract irritation. Chronic: No data
2.3: Other Hazards: none

3. COMPOSITION/INFO:
Chemical Name         		CAS No. 		Percent		
Cresyl Violet Acetate            		 10510-54-0            ~70%                           

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

5. FIREFIGHTING: Info: wear a self-contained breathing apparatus, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing: use water, dry chemical, chemical foam, or alcohol-resistant foam. hazards:  Carbon oxides, nitrogen oxides (NOx)  Flash Pt: No data Auto-ignition Temp: Not available.  Explosion Limits: Not available. 

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spill/Leaks: Clean up spills immediately, observing precautions in the PPE Section. Sweep up, then place into suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

7.  HANDLING & STORAGE: Handling: Wash thoroughly after handling.  Use only in a well-ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. 
Storage: Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. 

8. EXPOSURE CONTROLS, PPE: Controls: Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits. Use process enclosure, local exhaust ventilation, or other engineering controls airborne levels. 

CHEMICAL NAME	
ACGIH	
NIOSH	
OSHA – FINAL/Vacated PELs	

Cresyl Violet Acetate 	
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 nitrile
Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions. 

9.  PHYSICAL & CHEM: Appearance: Light to dark green crystalline powder  Melting Pt: 143-143° C (284-289 °F) – lit. 

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. 
Avoid: No data. Incompatibilities: Strong Oxidizing agents Hazardous Decomp Products: see section 5

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

12. ECOLOGICAL INFO: Environmental Fate & Toxicity:  No data available.

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 classification.   RCRA P-Series:  None listed.  RCRA U-Series:  None listed.

14.  TRANSPORT INFO: Not dangerous goods.

15.  REGULATORY INFO: Section 302 (RQ & TPQ): None of the chemicals in this material have an RQ or TPQ.
SARA Codes:  311/312 Hazards:  No SARA Hazards. Section 313 No chemicals are reportable under Section 313.
STATE:  CAS# 10510-54-0 is not present on state lists from CA, MN, MA, FL.
PA & NJ Right to Know: 3,7-Diaminobenzo[b]phenoxazinylium acetate.  CAS#10510-54-0.
California No Significant Risk Level: None of the chemicals in this product are listed. 

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives 
Hazard Symbols XI. WGK (Water Danger/Protection)    CAS# 10510-54-0: 1. 
Canada -DSL.NDSL   None of the chemicals in this product are listed on the DSL or NDSL list. 
Canada - WHMIS: Not available. 

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.