Sodium acetate trihydrate

grade

ACS reagent

Quality Level

300

Agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE^®

Assay

99.0-101.0% (perchloric acid titration)
99.0-101.0% dry basis (perchloric acid titration)

form

solid

autoignition temp.

1112 °F
607 °C

potency

3530 mg/kg LD₅₀ oral (Rat)
>10000 mg/kg LD₅₀ skin (Rabbit)

impurities

≤0.005% Insoluble matter
≤0.005% Reducing substances

loss

39.0-40.5% loss on drying 130 °C

pH

7.5-9.2 (20 °C 50 g/L in H₂O)

mp

58 °C

transition temp

flash point >250 °C (anhydrous substance)

solubility

613 g/L

density

1.42 g/cm³ at 20 °C

bulk density

900 kg/m³

anion traces

chloride (Cl^–): ≤0.0005%
phosphate (PO₄^3-): ≤0.0002%
sulfate (SO₄^2-): ≤0.002%

cation traces

Al: ≤0.0005%
As: ≤0.0002%
Ca: ≤0.001%
Ca: ≤0.005%
Cu: ≤0.0003%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
Mg: ≤0.005%
N: ≤0.001%
Pb: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

UV absorption

λ: 254 nm A_max: ≤0.02
λ: 280 nm A_max: ≤0.01
λ: 350 nm A_max: ≤0.01

storage temp.

2-30°C

SMILES string

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

InChI

1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3 (H 3 4);;3*1H2/q;+1;;;/p-1

InChI key

AYRVGWHSXIMRAB-UHFFFAOYSA-M