Calcium acetate hydrate

SIGMA/21056 - BioUltra, ≥99.0% (calc. on dried material, KT)

CAS Number: 114460-21-8
Empirical Formula (Hill Notation): C₄H₆CaO₄ · xH₂O
Molecular Weight: 158.17 (anhydrous basis)
MDL Number: MFCD00150019
Linear Formula: (CH₃COO)₂Ca · xH₂O
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-21056-50G-F	50 g	$0.00 1/EA CALL FOR PRICEAdd To Favorites	Add To Favorites
45-21056-250G-F	250 g	$122.00 1/EAAdd To Favorites	Add To Favorites
45-21056-1KG-F	1 kg	$401.00 1/EAAdd To Favorites	Add To Favorites

λ	1 M in H₂O
anion traces	chloride (Cl^-): ≤50 mg/kg
	sulfate (SO₄^2-): ≤200 mg/kg
assay	≥99.0% (calc. on dried material, KT)
cation traces	As: ≤0.1 mg/kg
	Ba: ≤20 mg/kg
	Bi: ≤5 mg/kg
	Cd: ≤5 mg/kg
	Co: ≤5 mg/kg
	Cr: ≤5 mg/kg
	Cu: ≤5 mg/kg
	Fe: ≤5 mg/kg
	K: ≤100 mg/kg
	Li: ≤5 mg/kg
	Mg: ≤1000 mg/kg
	Mn: ≤5 mg/kg
	Mo: ≤5 mg/kg
	Na: ≤150 mg/kg
	Ni: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Sr: ≤200 mg/kg
	Zn: ≤5 mg/kg
form	powder
impurities	insoluble matter, passes filter test
	≤7% water (Karl Fischer)
InChI	1S/2C2H4O2.Ca.H2O/c21-2(3)4;;/h21H3,(H,3,4);;1H2/q;;+2;/p-2
InChI key	XQKKWWCELHKGKB-UHFFFAOYSA-L
pH	7.0-8.5 (25 °C, 1 M in H₂O)
product line	BioUltra
Quality Level	200
SMILES string	O.CC(=O)O[Ca]OC(C)=O
solubility	H₂O: 1 M at 20 °C, clear, colorless
UV absorption	λ: 260 nm A_max: 0.090
	λ: 280 nm A_max: 0.070

Application:

<ul>
<li>Adsorption of Lead Ion from Wastewater Using Non-Crystal Hydrated Calcium Silicate Gel: This study demonstrates the utility of calcium acetate hydrate in the synthesis of calcium silicate gel for environmental applications, specifically for the adsorption of heavy metals from wastewater, aligning with its use in water treatment processes (Liu et al., 2021 External link

).</li>
<li>Dexamethasone Loaded Liposomes by Thin-Film Hydration and Microfluidic Procedures: Formulation Challenges: Research explores the use of calcium acetate hydrate in pharmaceutical formulations, particularly in the stabilization of liposome structures, which are critical in drug delivery systems (Al-Amin et al., 2020 External link

).</li>
<li>Liposomal diclofenac eye drop formulations targeting the retina: formulation stability improvement using surface modification of liposomes: Discusses the enhancement of ocular drug delivery systems using calcium acetate hydrate, focusing on its role in improving the stability and bioavailability of therapeutic agents (Fujisawa et al., 2012 External link

).</li>
</ul>

Other Notes:

Isolation of plasma membranes from HeLa cells; Salt of choice in aequorin bioluminescence assay; Protein precipitant in the manufacture of sunflower protein; Alleviates defoliation and fruit drop induced by Ethephon in Citrus reticulata

RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.0% (calc. on dried material, KT)
UNSPSC	12352302