Acetic acid magnesium salt
Magnesium acetate
CAS: 142-72-3
Molecular Formula: C4H6MgO4
Acetic acid magnesium salt - Names and Identifiers
| Name | Magnesium acetate |
| Synonyms | MAGNESIUM ACETATE Magnesium acetate Magnesium di(acetate) Acetic acid magnesium salt magnesium acetate solution MAGNESIUM ACETATE, HYDROUS Acetic acid, magnesium salt Magnesium acetate,anhydrous MAGNESIUM ACETATE, 4-HYDRATE MAGNESIUM ACETATE SOLUTION, FOR MOL. BIO L., 1 M IN H2O |
| CAS | 142-72-3 |
| EINECS | 205-554-9 |
| InChI | InChI=1/C2H4O2.Mg.4H2O/c1-2(3)4;;;;;/h1H3,(H,3,4);;4*1H2/q;+2;;;;/p-1 |
| InChIKey | UEGPKNKPLBYCNK-UHFFFAOYSA-L |
Acetic acid magnesium salt - Physico-chemical Properties
| Molecular Formula | C4H6MgO4 |
| Molar Mass | 142.39 |
| Density | 1.5000 |
| Melting Point | 72-75°C(lit.) |
| Water Solubility | Not miscible or difficult to mix with water. |
| Solubility | H2O: 1M at20°C, clear, colorless |
| Appearance | Liquid |
| Maximum wavelength(λmax) | ['λ: 260 nm Amax: 0.04', , 'λ: 280 nm Amax: 0.02'] |
| Merck | 13,5676 |
| BRN | 3692530 |
| pKa | 4.756[at 20 ℃] |
| PH | 7.95(1 mM solution);8.23(10 mM solution);8.41(100 mM solution);8.78(1000 mM solution) |
| Stability | Stable. Incompatible with strong oxidizing agents. Avoid moisture. |
| Refractive Index | n20/D 1.358 |
| Physical and Chemical Properties | Colorless powder. Melt at 323 °c with simultaneous decomposition. Relative density of 1.42, easy deliquescence, easily soluble in water, soluble in methanol. |
Acetic acid magnesium salt - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | AI5600000 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
Acetic acid magnesium salt - Reference Information
| LogP | -1.38 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| solubility in water (g/100ml) | grams dissolved per 100ml of water at different temperatures (℃): 56.7g/0 ℃;59.7g/10 ℃;53.4g/20 ℃;68.6g/30 ℃;75.7g/40 ℃ 118g/60 ℃ |
| Use | is used as an analytical reagent. Mice were injected intravenously with an LD50 of 18mg/kg. used for printing and dyeing, also used as analytical reagent |
| production method | is derived from the Co-heating of magnesium nitrate and acetic acid. Magnesium nitrate was heated together with anhydrous acetic acid. After the reaction was terminated, the solution was boiled for another 20min. After long-time storage, anhydrous magnesium acetate was precipitated. Suction filtration, washing with a small amount of absolute ethanol, then washing with ether, in a vacuum drying oven, drying at 60 °c. The crystals contain free acetic acid and should be dried for a long time until constant weight. It is also advisable that the magnesium acetate tetrahydrate is heated to a constant weight at 134 ° C. To obtain anhydrous magnesium acetate. |
Last Update：2024-04-10 22:29:15
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