MUREXIDE ACS

Safety Data Sheet  
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DUDLEY CORPORATION
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Effective Date:  January 1, 2025
1. PRODUCT: Syn: Ammonium purpurate; heterocyclic nitrogen compound; water hardness test. 
CAS No.: 3051-09-0. Weight: 284.19. EC-No.: 221-266-6  Formula:C8H8N6O6. 

2. HAZARDS:  GHS Class:  Not a hazardous substance or mixture.

HMIS Class: 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 ON INGREDIENTS: 
Chemical 		CAS No.		                Percent          Hazardous
Murexide                                    3051-09-0            	                100%                    No 

4. FIRST AID: Eyes: Rinse with water – precaution. 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.  Irritating & highly toxic gases may be generated by thermal decomp/combustion. Extinguishing:  Use water spray, dry chemicals, carbon dioxide, or alcohol-resistant foam. Hazards: Carbon & Nitrogen oxides Flash Pt:  N/A. Auto-ignition Temp:  N/A. Explosion Limits:  N/A 

6. ACCIDENTAL RELEASE: Info:  Use proper PPE as indicated in Section 8. Spills/ Leaks:  Clean up spills immediately, observing precautions in the PPE section.  Sweep up, then place into a suitable container for disposal.  Avoid generating dusty conditions.  Provide ventilation.

7. HANDLING & STORAGE: Handling:  Wash thoroughly after handling.  Use with adequate ventilation.  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 incompatibles.

8. EXPOSURE:  Facilities storing or utilizing this material should be equipped with an eyewash facility and safety shower.  Use adequate ventilation to keep airborne concentrations low.
Chemical Name			ACGIH			NIOSH		OSHA-Final PEL’s
Murexide 			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 EN 166. Skin:  Wear appropriate protective gloves to prevent skin exposure.0.11 mm nitrile. Clothing:  Wear impervious protective clothing including boots, lab coat, apron or coveralls to prevent skin contact. Respirators:  Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.  Always use a NIOSH or European Standard EN 149 approved respirator whenever workplace conditions warrant respirator use.

9. PHYSICAL & CHEM: Appearance: Dark Maroon to reddish violet. Melting Pt: >300° C (>572°F)  

10. STABILITY & REACTIVITY: Stability: Stable under ordinary conditions of use & storage. Avoid:  Incompatibles, dust generation Incompatibilities:  Strong oxidizing agents. Haz Decomp:  see section 5

11. TOXIC INFO: RTECS#: unlisted.  LD50/LC50: N/A Carcinogenicity:  Not listed by ACGIH, IARC, NIOH, NTP, or  OSHA.

12. ECOLOGICAL INFO: No info.

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 REGULATIONS: Not regulated.

15. REGULATORY INFO: SARA 311/312: None
SARA Section 302 Extremely Hazardous Substances: None of chemicals in this products have TPQ.
Section 313: No chemicals are reportable under Section 313.
STATE: CAS#3051-09-0 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: Ammonium 5-(2,4,6-trioxoperhydropyrimidin-5-ylideneamino)barbiturate CAS#3051-09-0
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 EX Directives
Hazard Symbols: Not available. WGK (Water Danger/Protection: CAS#3051-09-0:  No information available.
Canada – DSL/NDSL: CAS#3051-090-0 is listed on Canada’s DSL List.
Canada – WHMIS:  This product has a WHMIS classification of Not Controlled.
Canadian Ingredient Disclosure List: CAS#3051-09-0 is not listed on 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.