Magnesium Acetate (Tetrahydrate)

Synonyms: Magnesium acetate tetrahydrate; magnesium diacetate; Magnesium acetate, 4-hydrate, powder; acetic acid, magnesium salt



Molecular Formula


Molecular Weight



White Crystalline Powder





98.0% MIN

*Also available Pure, Pharma passing, LR, AR and ACS Grade

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Material Safety Data Sheet

Magnesium Acetate


Section 1: Chemical Product and Company Identification


Chemical Name: Magnesium Acetate


CAS No.: 142-72-3

Synonyms: Magnesium acetate tetrahydrate; magnesium diacetate; Magnesium acetate, 4-hydrate, powder; acetic acid, magnesium salt; Cromosan
Molecular Weight: 214.4
Chemical Formula: (CH3COO)2Mg.4H2O


Contact Information:


Vishnupriya Chemicals Pvt. Ltd.


Office No. 7, Meridian apartments

Lake Hills Road, New MLA Quarters

Basheerbagh, Hyderabad 63,  A.P

Tel :  040 - 23225550

Fax : 040 23223177

Email :

Website :


Section 2: Composition and Information on Ingredients






% by Weight

Magnesium Acetate




Toxicological Data on Ingredients:  


Section 3: Hazards Identification


Potential Health Effects

May cause irritation to the respiratory tract. Symptoms may include coughing and shortness of breath.
Large oral doses may cause irritation to the gastrointestinal tract.
Skin Contact:
No adverse effects expected but may cause minor skin irritation.
Eye Contact:
May cause irritation, redness and pain.
Chronic Exposure:
No information found.
Aggravation of Pre-existing Conditions:
No information found.


Section 4: First Aid Measures


Remove to fresh air. Get medical attention for any breathing difficulty.

If large amounts were swallowed, give water to drink and get medical advice.

Skin Contact:
Wash exposed area with soap and water. Get medical advice if irritation develops.

Eye Contact:
Immediately flush eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids occasionally. Get medical attention if irritation persists.


Section 5: Fire and Explosion Data


Not considered to be a fire hazard.

Not considered to be an explosion hazard.

Fire Extinguishing Media:
Use any means suitable for extinguishing surrounding fire.

Special Information:
In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode.


Section 6: Accidental Release Measures


Ventilate area of leak or spill. Wear appropriate personal protective equipment as specified in Section 8. Spills: Sweep up and containerize for reclamation or disposal. Vacuuming or wet sweeping may be used to avoid dust dispersal. Small amounts of residue may be flushed to sewer with plenty of water.


Section 7: Handling and Storage


Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.


Section 8: Exposure Controls/Personal Protection


Airborne Exposure Limits:
None established.

Ventilation System:
A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details.

Personal Respirators (NIOSH Approved):
For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator (NIOSH type N95 or better filters) may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerine, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator. WARNING: Air-purifying respirators do not protect workers in oxygen-deficient atmospheres.

Skin Protection:
Wear protective gloves and clean body-covering clothing.

Eye Protection:
Use chemical safety goggles. Maintain eye wash fountain and quick-drench facilities in work area.


Section 9: Physical and Chemical Properties


Physical State: Crystals


Appearance: white


Odor: acetic odor - weak odor


pH: 7-9 (5% soln.)


Vapor Pressure: Negligible.


Vapor Density: 7.4


Evaporation Rate:Negligible.


Viscosity: Not available.


Boiling Point: Not available.


Freezing/Melting Point:80 deg C


Decomposition Temperature:Not available.


Solubility: 120% in water.


Specific Gravity/Density:1.454 (water=1)


Molecular Formula:C4H6O4Mg.4H2O


Molecular Weight: 214.4.


Section 10: Stability and Reactivity Data


Chemical Stability: Stable under normal temperatures and pressures.


Conditions to Avoid: Incompatible materials, dust generation, excess heat, exposure to moist air or water.


Incompatibilities with Other Materials: Moisture, strong oxidizing agents.


Hazardous Decomposition Products: Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.


Hazardous Polymerization: Has not been reported.


Section 11: Toxicological Information


LD50/LC50: Not available.


Carcinogenicity: Not listed


Section 12: Ecological Information


Environmental Fate: No information found.


Environmental Toxicity: No information found.


Section 13: Disposal Considerations


waste disposal:  Processing, use or contamination of this product may change the waste management options




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