THYMOL IODIDE

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:  5,5’-Diisopropyl-2,2’-dimethylbiphenyl-4,4’-diyl dihypoiodite  
CAS No.: 552-22-7		 E-C No.:209-007-5	Weight:  550.21g/mol 	Formula: C20H24I2O2

2. HAZARDS ID: GHS Class:  Acute toxicity, Oral (Category 4), Acute Aquatic Hazard (Cat.2), Chronic Aquatic Hazard (Cat 2).
Pictogram: 				                       
Signal Word:         WARNING
HAZARD STATEMENT(S): H302: Harmful if swallowed.  H411: Toxic to Aquatic life with long lasting effects.	
PRECAUTIONARY STATEMENT(S): P264: Wash skin thoroughly after handling.	P330: Rinse mouth.
P270: Do not drink, eat, smoke, when using this product.  P273: Avoid release into the environment.	
P301 + P312: If swallowed: Call Poison Center or doctor/physician if you feel unwell.  P391: Collect spillage.
P501: Dispose of contents/container to an approved waste disposal plant.

HMIS: Health hazard  1, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  1, Fire     0, Reactivity hazard   0

Potential Health Effects: Eye: Risk of serious damage to eyes.	Skin: Harmful in contact with skin. 
 		          Ingestion: May be harmful if swallowed. 	Inhalation: May be harmful by inhalation. 
2.3: Other Hazards: none

3. COMPOSITION/INFO						
Ingredient						CAS No.		Percent	 
5,5’-Diisopropyl-2,2’-dimethylbiphenyl-4,4’-diyl dihypoiodite  	552-22-7		90-100%    	
	
4. FIRST AID: Eyes: Rinse immediately with plenty of water and seek medical advice. Skin: Rinse with plenty of soap. 
Ingestion: Do not induce vomiting without medical advice. Rinse with water. Consult physician.
Inhalation: Move to fresh air.  Consult a physician. Physician: Treat symptomatically and supportively. 

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH, and full PPE. Water mist may be used to cool closed containers.	Extinguishing: Use dry chemical, CO2, water spray or alcohol resistant foam.  Haz:  unknown.

6. ACCIDENTAL RELEASE: Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill. Wear appropriate personal protective equipment as specified in Section 8.   Spills: Sweep up and place in a suitable container for reclamation or disposal. Vacuuming or wet sweeping may be used to avoid dust dispersal. 

7. HANDLING & STORAGE: Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Separate from oxidizing materials. Recommended storage temperature: 2-8 °C. Observe all warnings and precautions listed for the product.

8. EXPOSURE CONTROLS / PPE: Ensure adequate ventilation.
Chemical Name						ACGIH		                NIOSH		
5,5’-Diisopropyl-2,2’-dimethylbiphenyl-4,4’-diyl dihypoiodite  	None listed 		None listed
		
PPE: Eyes: Safety glasses with side-shields. Skin: Usual safety precautions while handling the product will provide adequate protection against this potential effect. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Breathing apparatus only if aerosol or dust is formed.  Hands: PVC or other plastic material gloves. Hygiene: Handle in accordance with good industrial hygiene and safety practice.

9. PHYSICAL & CHEM: Appearance: Reddish-brown or yellow bulky powder. Partition coefficient: low Pow: 8.57 at 25C

10. STABILITY & REACTIVITY: Stability: Heat will contribute to instability. Discolors on exposure to light. Haz Decomp: see sec 5	Incompatibilities: High temps, oxidizing agents. Avoid: Heat, flame, ignition sources, and incompatibles.

11. TOXICOLOGICAL INFO: RTECS# None  
LD50/LC50: Not available. TOXICITY DATA: not available

12. ECOLOGICAL INFO; Fate: No information.

13. DISPOSAL CONSIDERATIONS: Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing, use, or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state, and local requirements.

14. TRANSPORT REGULATIONS:    Not dangerous goods

15. REGULATORY INFO: SARA 311/312: Acute Health Hazard
Section 302 (RQ & TPQ) None of the chemicals in this material have an RQ & TPQ. 
Section 313 No chemicals are reportable under Section 313. 

STATE CAS# 552-22-7  is not present on state lists from CA, MN, MA, FL. 
Pa Right to Know:	5,5’-Diisopropyl-2,2’-dimethylbiphenyl-4,4’-diyl dihypoiodite  CAS#552-22-7
NJ Right to Know: 5,5’-Diisopropyl-2,2’-dimethylbiphenyl-4,4’-diyl dihypoiodite  CAS#552-22-7
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: XN.  WGK (Water Danger/Protection) CAS# 552-22-7: No information available. 
Canada - DSL/NDSL CAS# 552-22-7 is listed on Canada’s DSL List.
Canada – WHMIS: This product has a WHMIS classification of D2a

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.