MARTIUS YELLOW

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:  2,4-Dinitro-1-naphthol 	CAS No.: 605-69-6 E-C No.:210-093-1 Weight:  234.17g/mol 	Formula: C10H6N2O5

2. HAZARDS: GHS Class: Skin irritation (Category 2)	Eye irritation (Category 2A)	
		Specific target organ toxicity - single exposure (Category 3)
 Pictogram: 				
Signal Word:         WARNING
HAZARD STATEMENT: H319: Causes serious eye irritation. H315: Causes skin irritation H335: May cause respiratory irritation	 	
PRECAUTIONARY STATEMENT: P261: Avoid breathing dust/spray/ fume/gas/ mist/ vapors. P264: wash skin thoroughly after handling P271: Use only outdoors or in well-ventilated area. P405: Store locked up. P280: Wear protective gloves/eye & face protection P302 + P352:If on skin wash with plenty of soap & water.  P304 + P340: If inhaled: remove to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present & easy to do so. Continue Rinsing. P312: Call Poison Center or doctor/physician if you feel unwell P321: Specific treatment (see supplemental first aid instructions)  P332 + P313: If skin irritation occurs: consult physician  P337+P313: If eye irritation occurs: consult physician P362: Take off contaminated clothing and wash before reuse. P403 + P233: Store in a well ventilated place. Keep container tightly closed. P501: Dispose of contents/container to an approved waste disposal plant.

HMIS Class: Health hazard  2, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  2, Fire     0, Reactivity hazard   0
2.3: Other Hazards: none

3. COMPOSITION / INFO ON INGREDIENTS: 
Chemical 			 CAS No.	 	Percent		
2,4-Dinitro-1-naphthol	                605-69-6               90-100%                  

4. FIRST AID: Eyes: rinse immediately with plenty of water for 15 min and seek medical advice. Skin: Rinse with plenty of soap & water and seek medical advice. Ingestion: Do not induce vomiting without medical advice. Rinse with water. Consult physician. Inhalation: Move to fresh air.  Consult a physician. Physician: Treat symptomatically & supportively. 

5.  FIRE FIGHTING; Info:  wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH, and full PPE.  Irritating & toxic gases may be generated by thermal decomp/combustion. Extinguishing:  Water spray, Carbon dioxide, dry chem powder, or alcohol-resistant foam. Hazards:  Carbon & nitrogen oxides Flash Pt:  N/A Auto-ignition:  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 in the PPE sec.  Avoid generating dusty conditions.

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

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
Martius Yellow		None listed	None listed	None listed

PPE: Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as directed by OSHA’s eye and face protection regulations in 29 CFR 1910.133 or European Standard EN66. 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 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:  Yellow powder Melting Pt:  130–133°C (266-271˚F) 

10. STABILITY & REACTIVITY; Stability:  Stable at room temp in closed containers under normal storage/handling conditions. Avoid:  Strong oxidizing agents Incompatibilities:  Strong oxidizing agents. Haz Decomp:  see section 5

11. TOXIC INFO: RTECS:  QL3850000 LD50/LC50:  N/A Carcinogenicity: Not in ACGIH, IARC, NIOSH, NTP, or OSHA.

12. ECOLOGICAL INFO:  LC50-Oryzias latipes-0.8mg/l-48h

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 RCRA U-Series:  None.

14. TRANSPORT INFO: Not regulated

15. REGULATORY INFO: SARA 311/312: Acute Health Hazard
CERCLA Hazardous Substances & corresponding RQs None of the chemicals in this material have an RQ.
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ.
Section 313 No chemicals are reportable under Section 313.
STATE CAS#605-69-6 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:	2,4-Dinitro-1-naphthol  CAS#605-69-6
California Prop.65: 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   WGK (Water Danger/Protection) CAS#605-69-6:  No information available.
Canada – DSL/NDSL CAS#605-69-6 is not listed on Canada’s DSL List.  
Canada – WHMIS: – Not available.
CAS#605-69-6 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.