Calcium acetate
Calcium acetate | |
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Names: | calcium acetate calcium diacetate calcium ethanoate lime acetate acetate of lime lime pyrolignite brown acetate grey acetate |
Formula: | Ca(CH3COO)2 (anhydrous) Ca(CH3COO)2 · H2O (monohydrate) |
SMILES: | CC(=O)[O-].CC(=O)[O-].[Ca+2] |
Molar mass: | 158.166 g/mol (anhydrous) 176.181 g/mol (monohydrate) |
Density: | 2.34 g/cm3 (anhydrous) 1.54 g/cm3 (monohydrate) |
Crystal system: | triclinic (monohydrate) a=6.75 Å 6.7500 Å , b=11.076 Å0.6750 nm 11.0760 Å , c=11.782 Å1.1076 nm 11.7820 Å α=116.49°1.1782 nm 116°29′24.0″ , β=92.4°92°24′ , γ=97.31°97°18′36.0″ |
Shapes: |
|
Color: | colorless |
Melting point: | 160 °C 433.15 K (monohydrate)320 °F 779.67 °R |
Refractive index: | 1.55 (monohydrate) |
Magnetic properties: | diamagnetic |
Stability: | stable (monohydrate) |
Hardness: | very fragile |
Toxicity: | non-toxic LD50=4280mg/kg |
Contents
Description
Organic compound, salt of alkaline earth metal calcium and organic acetic acid. From water solutions crystallizes as monohydrate.Precursors
Reaction between calcium carbonate or hydroxide and acetic acid
Chemical equation:
100.00
g of calcium acetate monohydrate
а 56.81
g of carbonate or 42.05
g of hydroxide and 97.39
g of 70%
acetic acid is required.Reaction between calcium chloride or nitrate and excess of concentrated acetic acid
Chemical equation:
100.00
g of calcium acetate monohydrate
а 124.35
g of calcium chloride hexahydrate
or 134.04
g of calcium nitrate tetrahydrate
and 68.17
g of glacial
acetic acid is required.Reaction between calcium nitrate and sodium acetate
Chemical equation:
100.00
g of calcium acetate monohydrate
а 134.04
g of calcium nitrate tetrahydrate
and 154.48
g of sodium acetate trihydrate
is required.Storage conditions
Store in its original form or under several layers of varnish at average humidity and room temperature. Do not store in matchboxes or cotton wool and do not heat.Solubility
Temperature | гр/100,00 гр water | гр/100,00 гр methanol | гр/100,00 гр acetic acid | |
---|---|---|---|---|
(anhydrous) | (monohydrate) | (anhydrous) | (anhydrous) | |
0°C 273.15 K 32 °F 491.67 °R | 37.4 | 48.6 | ||
10°C 283.15 K 50 °F 509.67 °R | 36 | ~45.1 | ||
15°C 288.15 K 59 °F 518.67 °R | ~35.4 | ~43.3 | 0.75 | |
20°C 293.15 K 68 °F 527.67 °R | 34.7 | ~41.6 | 0.156 | |
25°C 298.15 K 77 °F 536.67 °R | ~34.3 | 39.8 | ||
30°C 303.15 K 86 °F 545.67 °R | 33.8 | ~39.4 | ||
40°C 313.15 K 104 °F 563.67 °R | 33.2 | ~38.7 | ||
50°C 323.15 K 122 °F 581.67 °R | ~33.0 | ~38.0 | ||
60°C 333.15 K 140 °F 599.67 °R | 32.7 | ~37.3 | ||
70°C 343.15 K 158 °F 617.67 °R | ~33.1 | ~36.6 | 1.01 | |
80°C 353.15 K 176 °F 635.67 °R | 33.5 | ~35.9 | ||
90°C 363.15 K 194 °F 653.67 °R | 31.1 | ~35.2 | ||
100°C 373.15 K 212 °F 671.67 °R | 29.7 | 34.5 | 2.426 |
Gallery
Accidentally growth of a crystal, for about a yearCalcium acetate, Ivan Postnikov, VKontakteVKontakte
Accidentally growth of a crystal, for about a yearCalcium acetate, Ivan Postnikov, VKontakteVKontakte
Growing with slow evaporating methodCalcium acetate, Dmitry Shintyakov, Personal blogPersonal blog
Video
Sources
Acetates | |
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Salts |
Calcium acetate (Ca(CH3COO)2) • Copper(II) acetate (Cu(CH3COO)2) • Chromium(II) acetate (Cr(CH3COO)2) • Gadolinium acetate (Gd(CH3COO)3) • Dysprosium acetate (Dy(CH3COO)3) • Holmium acetate (Ho(CH3COO)3) • Iron(II) acetate (Fe(CH3COO)2) • Lead(II) acetate (Pb(CH3COO)2) • Manganese(II) acetate (Mn(CH3COO)2) • Neodymium acetate (Nd(CH3COO)3) • Nickel acetate (Ni(CH3COO)2) • Samarium acetate (Sm(CH3COO)3) • Strontium acetate (Sr(CH3COO)2) • Sodium acetate (NaCH3COO) • Zinc acetate (Zn(CH3COO)2) |
Double Salts |
Copper-calcium acetate (CuCa(CH3COO)4) • Uranyl-sodium acetate (NaUО2(CH3COO)3) • Uranyl-zinc-sodium acetate (NaZn(UO2)3(CH3COO)9) |
Calcium compounds | |
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Salts |
Calcium acetate (Ca(CH3COO)2) • Calcium carbonate (CaCO3) • Calcium formate (Ca(COOH)2) • Calcium nitrate (Ca(NO3)2) • Calcium sulfate (CaSO4) • Calcium tartrate (CaC4H4O6) • Calcium trifluoroacetate (Ca(CF3COO)2) • Calcium chloride (CaCl2) |
Double salts |
Copper-calcium acetate (CuCa(CH3COO)4) • Calcium-ammonium nitrate (5Ca(NO3)2 · NH4NO3) |