CALCONCARBOXYLIC ACID

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: CAS No.: 3737-95-9 E-C No.: 223-117-0   Weight:  438.41g/mol 	Formula: C21H14N2O7S

2. HAZARDS ID: GHS: Skin Irritation (Cat 2) Eye Irritation (2A) Specific Target Organ Toxicity – Single Exposure (Cat 3) Respiratory System
Pictogram: 					
Signal Word: WARNING
Hazard Statement: H315: Causes skin irritation H319: Causes serious eye irritation H335: May cause respiratory irritation
Precautionary Statement: P261: Avoid breathing dust/fume/gas/mist/vapor/spray. P264: Wash skin thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280 Wear PPE. P302 + P352: If on Skin Wash with plenty of soap and water. P304+P340+P312: If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a Poison Center if you feel unwell. P305+P351+P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.  P332+P313: If skin irritation occurs. Get medical advice. P337+P313: If eye irritation persists get medical advice. P362: Take off contaminated clothing and wash before reuse. P403+P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents / container to an approved waste disposal plant. 

HMIS: Health hazard  0, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  0, Fire     0, Reactivity hazard   0

Potential Health Effects: Eye: Risk of serious damage to eyes.	Skin: Harmful in contact with skin. 
Ingestion: Harmful if swallowed. 		Inhalation: Harmful by inhalation. 
2.3: Other Hazards: none

3. COMPOSITION / INFO: 
Chemical Name			 CAS No.	 		
Calconcarboxylic acid	                3737-95-9               

4. FIRST AID: Eyes: Rinse with water. Skin: Rinse with soap & water. Ingestion: Do not induce vomiting without medical advice. Rinse with water. Inhalation: Move to fresh air.  Physician: Treat symptomatically and supportively. 

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus if necessary. Extinguishing: Use water spray, carbon dioxide, alcohol-resistant foam or dry chemical. Hazards: Carbon, Nitrogen & Sulphur oxides

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 in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. 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: Do not store in direct sunlight.   Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatibles.   

8. EXPOSURE, PPE: 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 Name						     ACGIH  NIOSH	OSHA - Final / vacatedPEL’s
2,2’-dihydroxy-4’-sulpho-1,1’-azonaphthalene-3-carboxylic acid.		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. 0.11 mm thick nitrile
Clothing: Wear appropriate protective clothing to prevent skin exposure. 
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: Purple powder	Melting Point: 300˚C (572˚F)

10. STABILITY & REACTIVITY:  Stability: Stable at room temp. in closed containers under normal storage and handling conditions.  Avoid: Incompatibles, light, dust generation, excess heat. Incompatibilities: Strong oxidizing agents. Hazardous Decomp: see section 5

11. TOXICOLOGICAL INFO: RTECS: unlisted.	LD50/LC50: Not available.
Carcinogenicity: CAS# 3737-95-9 : 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
CERCLA Haz. Substances & corresponding RQ/TPQs None of the chemicals in material have an RQ/TPQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 3737-95-9 is not present on state lists from CA, MN, MA, FL. 
PA Right to Know: 2,2’-dihydroxy-4’-sulpho-1,1’-azonaphthalene-3-carboxylic acid   CAS#3737-95-9
NJ Right to Know: 2,2’-dihydroxy-4’-sulpho-1,1’-azonaphthalene-3-carboxylic acid    CAS#3737-95-9
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:  XI Canada - DSL/NDSLCAS# 3737-95-9 is listed on Canada’s DSL List. 
Canada – WHMIS This product has a WHMIS classification of D2B.
This product has been classified in accordance with the hazard criteria of the Controlled Products Regulation and the MSDS contains all of the information required by those regulations.
CAS# 3737-95-9  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.