Acétate de sodium

Nom du produit

Acétate de sodium, puriss. p.a., ACS reagent, reag. Ph. Eur., anhydrous

InChI key

VMHLLURERBWHNL-UHFFFAOYSA-M

InChI

1S/C2H4O2.Na/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

SMILES string

[Na+].CC([O-])=O

grade

ACS reagent
puriss. p.a.

agency

reag. Ph. Eur.

assay

≥99.0% (perchloric acid titration)

form

solid

autoignition temp.

1112 °F

impurities

≤0.01% in water soluble matter

loss

≤1% loss on drying, 120 °C

pH

7.5-9.2 (20 °C, 5%)

pKa 

4.76 (acetic acid)

mp

>300 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤0.002%
phosphate (PO₄^3-): ≤0.001%
sulfate (SO₄^2-): ≤0.003%

cation traces

Al: ≤10 mg/kg
Ca: ≤0.005%
Cd: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤0.001%
K: ≤200 mg/kg
Mg: ≤0.002%
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
heavy metals: ≤0.001% (by ICP-OES)

suitability

in accordance for appearance of solution

Quality Level

200