INDOPHENOL BLUE

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: 	CAS No.: 132-31-0 E-C No.:205-056-1 Weight:  276.33g/mol Chemical Formula: C18H16N2O

2. HAZARDS: GHS Class: Not a hazardous substance.

HMIS Class: 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: 
Chemical 								 CAS No.	 	Percent		
4-[[4-(Dimethylamino)phenyl]imino]naphthalene-1(4H)-one	                132-31-0               60%                  

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. Inhalation: Move to fresh air.  Physician: Treat symptomatically & supportively. 

5. FIRE FIGHTING: Info: wear a self-contained breathing apparatus if necessary Hazards: None Extinguishing: Use water spray, dry chemical, carbon dioxide, or alcohol -resistant foam. Explosion Limits: Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is potential dust explosion hazard. 

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8.  Avoid dust formation. Spills/Leaks: Clean up spills in a manner that does not disperse dust into the air. Use non-sparking tools. Pick up spills for recovery or disposal and place into a closed container.   

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. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Store in a tightly closed container. Store in a cool, dry well-ventilated area. Protect against physical damage. Isolate from incompatible substances. 

8. EXPOSURE: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. 
Chemical 	              ACGIH                      NIOSH                   OSHA-Final / Vacated PELs 
Indophenol Blue             None listed                  None listed              None listed. 

PPE: Eyes: Use chemical safety goggles. Contact lenses should not be worn when working with this material. Maintain eye wash fountain and quick-drench facilities in work area.  Skin: Wear appropriate protective gloves.  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 or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator’s use. 

9. PHYSICAL & CHEM: Appearance: Dark blue-Black powder.  Melting Pt: 168-170˚C (334-338˚F) 

10. STABILITY & REACTIVITY: Stability: Stable under ordinary conditions of use and storage.  
Avoid: Incompatibles, strong oxidants. Incompatibilities: Oxidizing agents. Haz Decomp: See section 5

11. TOXIC INFO: RTECS#: None  LD50/LC50: N/A   Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: No info. 

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 REGULATIONS: Not Regulated.

15.  REGULATORY INFO: SARA 311/312: 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# 132-31-0  is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:	4-[[4-(Dimethylamino)phenyl]imino]naphthalene-1(4H)-one CAS#132-31-0
California Prop.65: None of the chemicals are known to cause cancer, birth defects, or any other reproductive harm.

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.