SUDAN ORANGE G

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:  2,4-Dihydroxyazobenzene, SOG, 4-(Phenylazo)resorcinol 
CAS No.: 2051-85-6 E-C No.: 218-131-9	Weight:  214.22g/mol 	Formula: C12H10N2O2

2. HAZARDS ID: GHS Classification:  Skin irritation (Category 2)  Eye irritation (Category 2A)		
		Specific target organ toxicity - single exposure (Category 3) Respiratory System
 Pictogram: 				                 
Signal Word:         WARNING
HAZARD STATEMENT(S):H319: Causes serious eye irritation. H315: Causes skin irritation
H335: May cause respiratory irritation	
PRECAUTIONARY STATEMENT(S) : P261: Avoid breathing dust/spray/ fume/gas/ mist/ vapors. P264: Wash skin thoroughly after handling. P270: Do not drink, eat, smoke, when using this product. 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, gently 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 Classification: Health hazard  2, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  2, Fire     0, Reactivity hazard   0

Potential 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 ON INGREDIENTS: 
Chemical Name			 CAS No.	 	Percent		
4-(Phenylazo)resorcinol	                2051-85-6               90-100%                  

4. FIRST AID: Eyes: Rinse immediately for 15 min with plenty of water 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 protective gear. Extinguishing: Use dry chemical, CO2, water spray or alcohol resistant foam.  Special hazards: Carbon 
and Nitrogen oxides. Flash Pt: Not available. Auto-ignition Tempe: N/A  . Explosion Limits, Lower: 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.  

7. HANDLING & STORAGE:  Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 
Storage: Store in a cool, dry place. Store in a tightly closed container. 

8. EXPOSURE CONTROLS: 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 Name                    ACGIH                        NIOSH                   OSHA - Final / Vacated PELs 
Sudan Orange G                     None listed                   None listed               None listed. 

PPE: Eyes: Safety glasses with side-shields equivalent to 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 respirator when necessary. 

9. PHYSICAL & CHEM:  Appear: Orange-brown powder Odor: Slight. Melting Pt: 143-146˚C (289-295˚F) 

10. STABILITY & REACTIVITY: Stability: Stable under normal temperatures/pressures. Avoid: Incompatibles. Incompatibilities: Strong oxidizing agents, strong bases. Hazardous Decomposition Products: see section 5

11. TOXICOLOGICAL INFO: RTECS#: CZ9027500. 	LD50/LC50: N/A  Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. Other Studies: may cause respiratory irritation

12. ECOLOGICAL INFO: N/A   

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 and local hazardous waste regulations to ensure complete and accurate classification. RCRA P-Series: None listed. RCRA U-Series: None listed. 

14. TRANSPORT REGULATIONS: No information available. 

15. REGULATORY INFO: SARA 311/312;  Acute Health Hazard.
Section 302 (RQ) & Section 302 (TPQ) None of the chemicals in this material/product have an RQ or TPQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE is not present on state lists from CA, MN, MA, FL. 
PA Right to Know:	4-(Phenylazo)resorcinol CAS#2051-85-6  NJ Right to Know:	4-(Phenylazo)resorcinol CAS#2051-85-6
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 
Hazard Symbols: XN 	WGK (Water Danger/Protection) CAS# 2051-85-6: No information available. 
Canada - DSL/NDSL CAS# 2051-85-6 is listed on Canada’s DSL List. Canada - WHMIS: Not available. 

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