Zinc acetate information

Zinc acetate
Names
	IUPAC name Zinc acetate
	Other names Acetic acid, Zinc salt; Acetic acid, Zinc(II) salt; Dicarbomethoxyzinc; Zinc diacetate
Identifiers
CAS Number	557-34-6 (anhydrous) ; 5970-45-6 (dihydrate) ;
3D model (JSmol)	Interactive image; basic zinc acetate: Interactive image;
ChEBI	CHEBI:62984;
ChEMBL	ChEMBL1200928 ;
ChemSpider	10719 ;
ECHA InfoCard	100.008.338
EC Number	209-170-2;
E number	E650 (flavour enhancer)
PubChem CID	11192;
RTECS number	ZG8750000;
UNII	H2ZEY72PME (anhydrous) ; FM5526K07A (dihydrate) ;
UN number	3077
CompTox Dashboard (EPA)	DTXSID8038770 ;
	InChI InChI=1S/2C2H4O2.Zn/c21-2(3)4;/h21H3,(H,3,4);/q;;+2/p-2 Key: DJWUNCQRNNEAKC-UHFFFAOYSA-L ; InChI=1/2C2H4O2.Zn/c21-2(3)4;/h21H3,(H,3,4);/q;;+2/p-2 Key: DJWUNCQRNNEAKC-NUQVWONBAP;
	SMILES [Zn+2].[O-]C(=O)C.[O-]C(=O)C; basic zinc acetate: C/C1=[O]/[Zn]\35O/C(C)=[O+]\[Zn]\26\[O]=C(C)/O[Zn]4(O1)/[O]=C(C)\O[Zn](=[O]/C(C)=[O]2)(O/C(C)=[O]3)[O]456;
Properties
Chemical formula	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
Solubility in water	43 g/100 mL (20 °C, dihydrate)
Solubility	1.5 g/100 mL (methanol)
Magnetic susceptibility (χ)	−101.0·10−6 cm3/mol (+2 H2O)
Structure
Coordination geometry	octahedral (dihydrate)
Molecular shape	tetrahedral
Pharmacology
ATC code	A16AX05 (WHO)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H318, H319, H410, H411
Precautionary statements	P264, P270, P273, P280, P301+P312, P305+P351+P338, P310, P330, P337+P313, P391, P501
Related compounds
Other anions	Zinc chloride
Other cations	Copper(II) acetate
Related compounds	Basic beryllium acetate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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.

Zinc acetate information

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Names


IUPAC name Zinc acetate
Other names Acetic acid, Zinc salt Acetic acid, Zinc(II) salt Dicarbomethoxyzinc Zinc diacetate
Identifiers
CAS Number	557-34-6 (anhydrous)^Y 5970-45-6 (dihydrate)^Y
3D model (JSmol)	Interactive image basic zinc acetate: Interactive image
ChEBI	CHEBI:62984
ChEMBL	ChEMBL1200928^Y
ChemSpider	10719^Y
ECHA InfoCard	100.008.338
EC Number	209-170-2
E number	E650 (flavour enhancer)
PubChem CID	11192
RTECS number	ZG8750000
UNII	H2ZEY72PME (anhydrous)^Y FM5526K07A (dihydrate)^Y
UN number	3077
CompTox Dashboard (EPA)	DTXSID8038770
InChI InChI=1S/2C2H4O2.Zn/c21-2(3)4;/h21H3,(H,3,4);/q;;+2/p-2^Y Key: DJWUNCQRNNEAKC-UHFFFAOYSA-L^Y InChI=1/2C2H4O2.Zn/c21-2(3)4;/h21H3,(H,3,4);/q;;+2/p-2 Key: DJWUNCQRNNEAKC-NUQVWONBAP
SMILES [Zn+2].[O-]C(=O)C.[O-]C(=O)C basic zinc acetate: C/C1=[O]/[Zn]\35O/C(C)=[O+]\[Zn]\26\[O]=C(C)/O[Zn]4(O1)/[O]=C(C)\O[Zn](=[O]/C(C)=[O]2)(O/C(C)=[O]3)[O]456
Properties
Chemical formula	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
Solubility in water	43 g/100 mL (20 °C, dihydrate)
Solubility	1.5 g/100 mL (methanol)
Magnetic susceptibility (χ)	−101.0·10⁻⁶ cm³/mol (+2 H₂O)
Structure
Coordination geometry	octahedral (dihydrate)
Molecular shape	tetrahedral
Pharmacology
ATC code	A16AX05 (WHO)
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H318, H319, H410, H411
Precautionary statements	P264, P270, P273, P280, P301+P312, P305+P351+P338, P310, P330, P337+P313, P391, P501
Related compounds
Other anions	Zinc chloride
Other cations	Copper(II) acetate
Related compounds	Basic beryllium acetate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references