DIRECT BLUE 71  C.I. 34140

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: Benzo Light Blue FFL, Sirius Light Blue BRR, 1,5-Naphthalenedisulfonic Acid, 
3-4-4-(6-Amino-1-Hydroxy-3-Sulfate).  Weight: 1029.88   CAS No: 4399-55-7 Formula: C40H23N7Na4O13S4  
 
2. HAZARDS ID: GHS Classification:  Not a hazardous substance or mixture.

HMIS Classification: 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 ON INGREDIENT:
Chemical Name			CAS# 			Percent		Hazardous
Direct Blue 71			4399-55-7	             ~100%		       No

4. FIRST AID: Eyes: rinse with plenty of water as precaution Skin:. Rinse with plenty of soap & water Ingestion: Do not induce vomiting without medical advice. Rinse with water. Inhalation: Move to fresh air.  Consult a physician. Physician: Treat symptomatically and supportively. 

5. FIREFIGHTING: 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. Hazards: Carbon, nitrogen, Sulphur, & sodium oxides. Extinguishing: Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.
Flash Pt: N/A. Autoignition 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 ion the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation.

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin and clothing. Avoid inhalation and ingestion. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

8. EXPOSURE CONTROLS, PPE: Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use with adequate ventilation to keep airborne concentration low.
Chemical Name			 	ACGIH			 NIOSH	  	 OSHA Final PELs
Direct Blue 71		     	            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 EN 166. Skin: Wear appropriate protective gloves to prevent skin exposure. 0.11 mm 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 Z288.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirators use.

9. PHYSICAL & CHEM: Appearance: Black Powder 

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Avoid: Incompatibles, dust generation, excess heat, strong oxidants. Incompatibilities: Oxidizing agents. Haz Decomp: 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: 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 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 product have a RQ or a TPQ.
Section 313 No chemicals are reportable under Section 313
State CAS#4399-55-7 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:	Tetrasodium 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-6-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-  CAS#4399-55-7
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# 4399-55-7:1
Canada - DSL/NDSL CAS# 4399-55-7 is listed on Canada’s DSL list.
Canada WHMIS 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.