DIMETHYLGLYOXIME

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:  2,3-Butanedione dioxime, Diacetyldioxime CAS No.: 95-45-4 
E-C No.:202-420-1	 Weight:  116.12g/mol 	Formula: C4H8N2O2

2. HAZARDS ID: GHS:     Flammable solids (Category 2)
 Pictogram: 							
Signal Word:         WARNING
HAZARD STATEMENT(S): H228: Flammable solid
PRECAUTIONARY STATEMENT(S): P240: Ground/Bond container and receiving equipment P241: Use explosion-proof electrical/ventilating/lighting/equipment. P210: Keep away from heat/sparks/open flames/hot surfaces- no smoking.
P280: Wear protective gloves/eye & face protection. P370 + P378: In case of fire: use dry sand, dry chemical, or alcohol-resistant foam for extinction.

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

3. COMPOSITION / INFO: 
Chemical Name			 CAS No.	 	Percent		
Butanedione dioxime	                   95-45-4               	100%                  

4. FIRST AID: Eyes: Rinse with plenty of water and soap. 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 & supportively. 

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full PPE. hazards: 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/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the PPE Section. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Keep away from heat and flame. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatibles.   

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. ACGIH: None listed. NIOSH: None listed.  OSHA - Final & Vacated PELs: 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. 0.11mm thick 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: White to off-white powder. Odor: odorless. Bulk Density 500 kg/m3. 
Melting Pt: 240-241˚C Solubility: Slightly soluble. 

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. May violently decompose temperatures above 190 C. Avoid: flames & sparks, temperatures above 90 C. Incompatibilities: Strong oxidizing agents, Haz Decomp: see sec 5

11. TOXICOLOGICAL INFO: RTECS#: Ek2975000. LD50/LC50: Oral rat: 250mg/kg
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 
Mutagenicity: Oncogenic transformation: Hamster embryo = 100 ug.L. 

12. ECOLOGICAL INFO: Environmental Fate/ Toxicity:  No information 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 classifications. 
RCRA P-Series: None listed. RCRA U-Series: None listed.

14. TRANSPORT REGULATIONS: 
DOT: UN 1325, Flammable solids, organic, n.o.s. (Butanedione dioxime), 4.1, III, ERG 133

IMDG: UN 1325, FLAMMABLE SOLID, ORGANIC, N.O.S, (Butanedione dioxime), 4.1, III,

IATA: UN 1325, Flammable solid, organic, n.o.s. (Butanedione dioxime), 4.1,  III,   

15. REGULATORY INFO: SARA 311/312: Fire 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# 95-45-4 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: Butanedione dioxime  CAS#95-45-4	
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# 95-45-4: No information available. 
Canada - DSL/NDSL CAS# 95-45-4 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.