Names | |
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IUPAC name
Zinc acetate
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Other names
Acetic acid, Zinc salt
Acetic acid, Zinc(II) salt Dicarbomethoxyzinc Zinc diacetate | |
Identifiers | |
3D model (JSmol)
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ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.008.338 |
EC Number |
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E number | E650 (flavour enhancer) |
PubChem CID
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RTECS number |
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UNII |
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UN number | 3077 |
CompTox Dashboard (EPA)
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Properties | |
Zn(CH3COO)2(H2O)2 (dihydrate) | |
Molar mass | 219.50 g/mol (dihydrate) 183.48 g/mol (anhydrous) |
Appearance | White solid (all forms) |
Density | 1.735 g/cm3 (dihydrate) |
Melting point | Decomposes at 237 °C (459 °F; 510 K) (dihydrate loses water at 100 °C) |
Boiling point | decomposes |
43 g/100 mL (20 °C, dihydrate) | |
Solubility | 1.5 g/100 mL (methanol) |
−101.0·10−6 cm3/mol (+2 H2O) | |
Structure | |
octahedral (dihydrate) | |
tetrahedral | |
Pharmacology | |
A16AX05 (WHO) | |
Hazards | |
GHS labelling: | |
Danger | |
H302, H318, H319, H410, H411 | |
P264, P270, P273, P280, P301+P312, P305+P351+P338, P310, P330, P337+P313, P391, P501 | |
Related compounds | |
Other anions
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Zinc chloride |
Other cations
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Copper(II) acetate |
Related compounds
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Basic beryllium acetate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Zinc acetate is a salt with the formula Zn(CH3CO2)2, which commonly occurs as the dihydrate Zn(CH3CO2)2·2H2O. Both the hydrate and the anhydrous forms are colorless solids that are used as dietary supplements. When used as a food additive, it has the E number E650.