PATENT BLUE VF
   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: Disulphine Blue; Sulphan Blue; Acid Blue 1; C.I. 42045
CAS No.: 129-17-9 Weight: 566.68g/mol EC-No.: 204-934-1  Formula: C27H31N2NaO6S2	

2.HAZARDS ID: GHS Class:  Not a hazardous substance or mixture. 2.3: Other Hazards: none

3.COMPOSITION, INFO ON INGREDIENTS:
Chemical     		CAS No.		Percent			Hazardous
Patent Blue VF			129-17-9	100%			      No

4. FIRST AID: Eyes: rinse as a precaution. 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 

5.FIRE FIGHTING: Info: wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full PPE. Water mist may be used to cool closed containers. Extinguishing: Use dry chemical, CO2, water spray or alcohol resistant foam.  Haz:  Carbon, nitrogen, Sulphur, & 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 Sec 8. Spills/Leaks: Sweep up and place into a suitable disposal container.  Clean up spills, observing precautions in the Protective Equipment Section.  Provide ventilation.

7.HANDLING & STORAGE: Handling: Wash thoroughly after handling.  Use with adequate ventilation.  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 incompatibles.

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 / Vacated PEL’s
 Paten Blue VF		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 minimize contact with skin.
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 bluish-green powder Partition co-efficient: n-octanol/water: 0.572 

10. STABILITY & REACTIVITY: Stability:  Stable under normal temps & handling. Avoid:  Incompatibles, exposure to air or moisture over prolonged periods. Incompatibilities:  Strong oxidizing agents. Haz Decomp:  see section 5

11.TOXICOLOGICAL INFO: RTECS:  BP6830000 LD50/LC50 N/A Carcinogenicity: Not listed by ACGIH, NTP, or OSHA. IARC: Group 3 not carcinogenetic to humans Mutagenicity: Subcutaneous – tumorigenic.

12.ECOLOGICAL INFO: No data.

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
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ/RQ.
Section 313 No chemicals are reportable under Section 313
STATE CAS# 129-17-9 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: Hydrogen [4-[4-(diethylamino)2’,4’-disulphonatorbenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium sodium salt  CAS#129-17-9

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives
Hazardous Symbols Not available. WGK (Water Danger/Protection) CAS# 129-17-9:  No information available.
Canada – DSL/NDSL CAS# 129-17-9 is listed on Canada’s DSL List.
Canada – WHMIS This product has a WHMIS classification of D2A.
Canadian Ingredient Disclosure List CAS# 12-17-9 is not listed on Canada’s Ingredient 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.