ORANGE G  CERTIFIED

 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: Acid Fast Orange G, Acid Light Orange G; Acid Orange G; C.I.. 27; C.I. 16230; Acid Orange 10; C.I. Food Orange 4; Naphthalene Fast O.  CAS No.: 1936-15-8  Weight: 452.1788 Formula: C16H10N2O7S2*2Na EC No.: 217-705-6

2. HAZARDOUS:  GHS:  Not a hazardous substance or mixture.

HMIS Classification: 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                    Hazardous  
Acid Orange 10               		1936-15-8	~ 90%                          No 

4. FIRST AID: Eyes: Rinse with 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 and supportively. 

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/combustion. Special Haz: Carbon, nitrogen, Sulfur & sodium oxides. Extinguishing: Use alcohol-resistant foam, dry chem, carbon dioxide, or water spray. Flash Pt: N/A. Auto-ignition Temp: N/A Explosion Limits: N/A

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Sec 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. 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 away 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 PEL’s
Acid Orange 10			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. 0.11 mm 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: Yellow-red to orange powder. Odor: Weak odor. Solubility: Soluble in water. 

10.  STABILITY & REACTIVITY:  Avoid: Incompatibles, dust generation, excess heat. Stability: Materials containing similar structural groups are normally stable.  Incompatibilities: Oxidizing agents. Haz Decomp: see section 5

11. TOXICOLOGICAL INFO:  RTECS#: QJ6500000. LD50/LC50: N/A
Carcinogenicity: IARC: Group 3 carcinogen. Not classifiable in IARC, ACGIH, NTP, EPA.
Reproductive Effects: Pig oral – testes, epididymis, sperm duct. Mutagenicity: Cytogenetic analysis, hamster ovary. 

12. ECOLOGICAL INFO:  No data.

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:  No info. 

15. REGULATORY INFO: SARA 311/312/313:  None
Section 302 None of the chemicals in this product have a TPQ/RQ. 
STATE: CAS# 1936-15-8 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: Disodium 7-hydroxy-8-phenylazonaphthalene-1,3-disulphonate  CAS#1936-15-8
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
Hazard Symbols:  Not available. WGK (Water Danger/ Protection)CAS#1936-15-8:  Not available.
Canada – DSL/NDSL: CAS#1936-15-8 is listed on Canada’s DSL List.
Canada – WHMIS Classifications:  This product has been classified in accordance with the hazard criteria of the Controlled Products Regulations and the SDS contains all of the information required by those regulations.
CAS#1936-15-8 is 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.