1,3-DIHYDROXYNAPHTHALENE

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: Syn: 1,3-Naphthalenediol CAS No.: 132-86-5 E-C No.:205-079-7 Weight:  160.17g/mol Formula: C10H8O2

2. HAZARDS ID: GHS: Germ cell mutagenicity (Category 2)
Pictogram:  					
Signal Word: Warning
Hazard Statement: Suspected of causing genetic defects. 
Precautionary Statement: P201: Obtain special instructions before use. P202: Do not handle until all safety precautions have been read and understood. P280: Wear protective gloves/ protective clothing / eye protection / face protection. P308+P313: If exposed or concerned. Get medical attention. P405: store locked up P501: Dispose of contents / container or 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
2.3: Other Hazards: none

3. COMPOSITION / INFO: 
Chemical Name			 CAS No.	 	Percent		
1,3-Dihydroxynaphthalene		 132-86-5                   98%                  

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

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus if necessary. Hazards: Carbon oxides Extinguishing: Use water spray, dry chemical, Carbon dioxide, or alcohol-resistant foam. 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. Clean up spills. Avoid generating dusty conditions. Provide ventilation. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Use only in a well-ventilated area.  Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. 
Storage: Store in a tightly closed container cool, dry, well-ventilated area away from incompatible substances.   

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 / Vacated PEL’s
2,4-Dihydroxybenzaldehyde		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 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 respirators when necessary. 

9. PHYSICAL & CHEM: Appearance: Off-white to beige crystalline Melting Pt:  123-125°C (253-257˚F)  

10. STABILITY & REACTIVITY: Stability: Stable at room temp in closed containers under normal storage/handling conditions. Avoid:  Air, oxidizing agents, dust generation. Incompatibilities:  Strong oxidizing agents, strong bases, acid chloride, acid anhydrides, Haz Decomp: see section 5

11. TOXICOLOGICAL INFO: RTECS: QJ4725000     LD50/LC50: Oral, mouse:  LD50 = 400 mg/kg Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: Not applicable

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 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:	Naphthalene-1,3-diol CAS#132-86-5
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:   XN

WGK (Water Danger/Protection) CAS# 132-86-5 
Canada - DSL/NDSLCAS#132-86-5  is listed on Canada’s NDSL List. 
Canada - WHMIS:  This product has a WHMIS classification of D2B
CAS#132-86-5  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.