2,2'-DIPYRIDYL 99% 

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: Alpha, alpha’-Dipyridyl; CAS No.: 366-18-7 EC No.: 206-674-4   Weight: 156.19  Formula: C10H8N2. 

2. HAZARDS ID: GHS Class: Acute toxicity, Oral (Category 3)     Acute toxicity, Dermal (Category 3)     
                                            				     
Signal Word              DANGER
Hazard statement(s):    H301 + H311: Toxic if swallowed or in contact with skin.
Precautionary statement(s): P264: Wash skin thoroughly after handling.	  P330: Rinse mouth.
P270: Do not eat, smoke, drink, when using this product.  P362: Take off & wash contaminated clothing before reuse.
P280: Wear protective gloves/ protective clothing. P302 + P352: If on Skin: Wash with plenty of soap & water.
P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/ physician.
P405: Store locked up.          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
2.3: Other Hazards: none

3. COMPOSITION / INFO: 
Chemical Name				CAS No.		Percent		
2,2'-Dipyridyl                                      		366-18-7         	 >99                    	   

4. FIRST AID: Eyes: Rinse with plenty of 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 a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full PPE. Special hazard: Carbon & nitrogen oxides Extinguishing: Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam. 

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spills: Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.  Do not let material enter drains. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid breathing dust. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. 

8. EXPOSURE CONTROLS / PPE: 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 

2,2'-Dipyridyl                          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. Nitrile rubber thickness- 0.11mm min. 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.  Hygiene measures: avoid contact with skin, eyes, and clothing. Wash hands before breaks and immediately after handling the product. 

9. PHYSICAL & CHEM: Light cream to yellow powder Boiling Pt: 273˚C (523˚F)  Melting Pt:70-73˚C(158-163˚F) 
Vapor Pressure: 0.29 hPa at 20°C  Flash pt: 131°C closed cup ISO 3679

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Avoid: High temps, dust generation. Incompatibilities: Strong oxidizers. Haz Decomp: see section 5

11. TOXICOLOGICAL INFO: RTECS#: DW1750000 LD50/LC50: Dermal, rat: 625-1,250 mg/kg; Oral, rat: 100 mg/kg; 
Behavioral, muscle weakness, kidney, ureter, bladder: other changes in urine composition. Hemorrhage.
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 
Teratogenicity: This chelator for ferrous iron was given intraperitoneally to rats on days 11.5 through 14.5 in doses of 60-75 mg per kg. Skeletal defects especially of the limbs were found. 

12.  ECOLOGICAL INFO: Toxicity:  No data available.

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. Contact a licensed professional waste disposal service to dispose of this material. 
RCRA P-Series:  None listed	RCRA U-Series:  None listed

14. TRANSPORT REGULATIONS: DOT:  UN 2811, Toxic solids, organic,, n.o.s. (2,2’-Dipyridyl),  6.1, III, ERG 154
IMDG:  UN 2811, TOXIC SOLID, ORGANIC, N.O.S. (2,2’-Dipyridyl), 6.1, III,
IATA: UN 2811, Toxic solid, organic, n.o.s. (2,2’-Dipyridyl), 6.1, III,

15. REGULATORY INFO: SARA 311/312 acute health hazard. 
SARA 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# 366-18-7 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:  2,2’-Dipyridyl  CAS#366-18-7
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 
WGK (Water Danger/Protection) CAS# 366-18-7:  2
Canada – DSL/NDSL CAS# 366-18-7 is listed on Canada’s DSL List.
Canada – WHMIS This product has a WHMIS classification of D1B, D2B.
Canadian 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.