1-AMINO-2-NAPHTHOL-4-SULFONIC ACID ACS

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: 1-Naphthalenesulfonic acid, 4-amino-3-hydroxy; 4-Amino-3-hydroxy-1-naphthalenesulfonic acid 
CAS No: 116-63-2.  EC-No.: 204-147-3, Weight: 239.26,  Formula: H2N(HO)C10H5SO3H. 

2. HAZARDS ID: GHS:  Not a hazardous substance.   Light sensitive. 

HMIS CLASS: Health Hazard:  0, Flammability:  0, Physical Hazard:  0		
NFPA RATING: HEALTH HAZARD: 0,  FIRE: 0  REACTIVITY HAZARD: 0

Potential Effects: Eyes:  Causes eye irritation.   Skin:  Causes skin irritation. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea.  Inhalation:  Causes respiratory tract irritation. Can produce delayed  pulmonary edema.
2.3: Other Hazards: none

3. COMPOSITION: 
Chemical Name				 CAS No.  	 	Percent		Hazardous
1-Amino-2-naphthol-4-sulfonic Acid		 116-63-2	    	100%	   	     No

4. FIRST AID: Eye:  Flush eyes with plenty of water as precaution. Skin: If contact, flush skin with plenty of soap and water. Ingestion: If victim is conscious and alert, give water to rinse mouth.  Do NOT induce vomiting.  NEVER give anything by mouth to an unconscious person.  Inhalation: Remove to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.  Do NOT use mouth-to-mouth resuscitation.

5. FIRE FIGHTING: Info:  Wear self-contained breathing apparatus in pressure-demand, MSHA/NIOSH, & full PPE.  Irritating & highly toxic gases may be generated by thermal decomp or combustion. Extinguishing: Use water spray, dry chem, carbon dioxide, or appropriate foam. Hazards: Carbon, nitrogen, sulfur oxides Flash Pt: N/A.  Auto-ignition 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.  Reduce airborne dust and prevent scattering by moistening with water.  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:  Store in a tightly closed container.  Store in a cool, dry, well-ventilated area away from incompatible substances.  Store protected from light.

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
1-Amino-2-Naphthol-4-Sulfonic Acid		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. Clothing:  Wear appropriate protective clothing to prevent skin exposure. Respirators:  Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.  Always use a NIOSH or European Standard EN 149 approved respirators when necessary.

9. PHYSICAL & CHEM: Appearance: Pinkish white-grey crystalline powder. Solubility: Slightly soluble in water.  Melting Pt: 295°C (563°F) 

10. STABILITY & REACTIVITY: Stability: Stable under ordinary conditions of use and storage. May discolor on exposure to light. Avoid:  N/A. Incompatibilities: Strong oxidizing agents, bases, & acids. Haz Decomp:  see section 5

11. TOXICOLOGICAL INFO: RTECS: QK1292000.  LD50/LC50:  Not available.
Carcinogenicity: Not list by ACGIH, IARC, NIOSH, NTP, 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.  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 dangerous goods.

15. REGULATORY INFO:  SARA 311/312: None
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have an TPQ.
SARA Section 313: No chemicals are reportable under Section 313.
State CAS# 116-63-2 is not present on state lists from CA, MN, MA, FL.
Pennsylvania Right to Know:  4-Amino-3-hydroxynaphthalene-1-sulphonic acid
New Jersey Right to Know:  4-Amino-3-hydroxynaphthalene-1-sulphonic acid.
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# 116-63-2:  No information available.
Canada – DSL/NDSL:   CAS# 116-63-2 is listed on Canada’s DSL List
Canada – WHMIS:  This product has a WHMIS classification of D2B.
CAS# 116-63-2 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.