MAGNESIUM CHLORIDE 6-HYDRATE ACS

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: Magnesium chloride, hexahydrate; Magnesium chloride 6-hydrate, crystal.
CAS No.: 7791-18-6. EC-No.: 232-094-6 Weight: 203.30. Formula: MgCl2x6H2O. 

2. HAZARDS: GHS: Not a hazardous substance 2.3: Other Hazards: none

3. COMPOSITION / INFO:
Chemical 				          CAS No.	                 Percent		Hazardous
Magnesium Chloride 6-Hydrate ACS                7791-18-6       		98-100%	     	No 		

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. 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 & full PPE.  Material will not burn. Extinguishing:  Use dry chemicals, water spray, carbon dioxide or alcohol-resistant foam. Haz: Hydrogen chloride gas, Magnesium oxide Flash Pt:  Not applicable. Auto-ignition Temp:  N/A Explosion Limits: N/A.

6. ACCIDENTAL RELEASE: Info:  Use proper PPE as indicated in Section 8. Spills/Leaks:  Sweep up or absorb material, then place into a suitable clean, dry closed container for disposal.  Avoid generating dusty conditions.  Provide ventilation.

 7. HANDLING & STORAGE: Handling:  Wash thoroughly after handling.  Minimize dust generation and accumulation.  Avoid contact with eyes, skin, and clothing.  Avoid ingestion and inhalation. Storage:  Store in a cool, dry place away from incompatible substances.  Store protected from moisture. Hygroscopic.

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 				ACGIH		NIOSH		OSHA – Final /Vacated PEL’s
Magnesium Chloride 6-Hydrate ACS		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. 0.11mm thick nitrile Clothing:  Wear appropriate protective clothing to minimize contact with skin. Respirators:  Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.  Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

9. PHYSICAL & CHEM: Appearance: Colorless to white flakes/crystals.  Density: 1.57g/cm3 Melting Pt.: 116.7°C Relative Density: 1.570 g/cm3

10. STABILITY & REACTIVITY:  Stability: Stable under ordinary conditions of use and storage. Avoid:  Exposure to air or moisture over prolonged periods. Incompatibilities:  Strong oxidizing agents. Haz Decomp: see section 5

11. TOXICOLOGICAL INFO: RTECS: OM2975000 LD50/LC50: Oral. rat: LD50 = >5,000 mg/kg  Dermal 2,500mg/kg
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP or OSHA. Other:  Liver irregularities

12. ECOLOGICAL INFO: LC50: fathead minnow 2,119.3 mg/l -96h, Water flea 584.4mg/l-48h, ErC50 algae >100mg/l – 72h 

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: Chronic Health Hazard
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ/RQ.
Section 313 No chemicals are reportable under Section 313
STATE CAS#7791-18-6 is not present on state lists from CA, MN, MA, FL. 
Pa & NJ Right to Know:  Magnesium chloride hexahydrate CAS#7791-18-6
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
Hazardous Symbols:        XI	WGK (Water Danger/Protection)CAS#7791-18-6:  0
Canada – DSL/NDSL: CAS#7791-18-6 is not listed on Canada’s DSL List.
Canada – WHMIS: Not controlled under WHMIS:  CAS#7791-18-6  is not listed on Canada’s 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.