Magnesium acetate tetrahydrate CAS#16674-78-5
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Distinct Crystalline Form – Magnesium acetate tetrahydrate appears as a colorless monoclinic crystalline solid, providing a well-defined physical form.
High Hygroscopicity – Its hygroscopic nature allows magnesium acetate tetrahydrate to readily absorb moisture from the surrounding environment.
Excellent Water Solubility – It is highly soluble in water, with a solubility of approximately 120 g/100 mL at 15°C, supporting efficient preparation of aqueous solutions.
Broad Solvent Compatibility – Magnesium acetate tetrahydrate is very soluble in methanol and ethanol, offering good compatibility with common organic solvents.
Products Description of Magnesium Acetate Tetrahydrate CAS#16674-78-5
Magnesium acetate tetrahydrate is a colorless monoclinic crystalline solid with a density of 1.454 g/cm³. It is hygroscopic and melts at approximately 80°C. It is highly soluble in water, with a solubility of about 120 g/100 mL at 15°C, and is also very soluble in methanol and ethanol.
Magnesium acetate tetrahydrate Chemical Properties
| Melting point | 72-75 °C(lit.) |
| bulk density | 510kg/m3 |
| density | 1.454 |
| refractive index | n20/D 1.358 |
| storage temp. | Store at +15°C to +25°C. |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | lyophilized powder |
| color | White |
| Specific Gravity | 1.454 |
| Odor | Acetic odour |
| PH | 6.1 (50g/l, H2O, 20℃) |
| PH Range | 46212 |
| Water Solubility | 1200 g/L (15 ºC) |
| Sensitive | Hygroscopic |
| Merck | 145654 |
| BRN | 3730605 |
| Stability: | Hygroscopic |
| InChI | 1S/2C2H4O2.Mg.4H2O/c2*1-2(3)4;;;;;/h2*1H3,(H,3,4);;4*1H2/q;;+2;;;;/p-2 |
| InChIKey | XKPKPGCRSHFTKM-UHFFFAOYSA-L |
| SMILES | O.O.O.O.CC(=O)O[Mg]OC(C)=O |
| CAS DataBase Reference | 16674-78-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Magnesium diethanoate tetrahydrate(16674-78-5) |
| EPA Substance Registry System | Magnesium acetate tetrahydrate (16674-78-5) |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| RTECS | AI5600000 |
| F | 3 |
| TSCA | Yes |
| HS Code | 29152900 |
| Storage Class | 13 - Non Combustible Solids |
Product Application of Magnesium Acetate Tetrahydrate CAS#16674-78-5
Magnesium acetate tetrahydrate is used in the manufacture of rayon fibers for cigarette filters and as a dye-fixing agent in textile printing. It is also used as an antiseptic and disinfectant.



