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1.06267

Supelco

Sodium acetate trihydrate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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Synonym(s):
Acetic acid sodium salt trihydrate
Linear Formula:
CH3COONa · 3H2O
CAS Number:
Molecular Weight:
136.08
Beilstein/REAXYS Number:
3732037
MDL number:
UNSPSC Code:
12352107
EC Index Number:
204-823-8
NACRES:
NA.21

grade

ACS reagent

Quality Level

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 (PO43-): ≤0.0002%
sulfate (SO42-): ≤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 Amax: ≤0.02
λ: 280 nm Amax: ≤0.01
λ: 350 nm Amax: ≤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

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Related Categories

Application


  • Direct Affinity Ligand Immobilization onto Bare Iron Oxide Nanoparticles Enables Efficient Magnetic Separation of Antibodies: Highlights the role of sodium acetate trihydrate in bioengineering, particularly in the enhancement of magnetic nanoparticle performance for bioseparation applications (Zimmermann I, Berensmeier S, 2024).

  • Physicochemical and antioxidant properties of pectin fractions extracted from lemon (Citrus Eureka) peels: Details the use of sodium acetate trihydrate in the extraction and analysis of bioactive compounds, supporting its critical role in food science and nutraceutical applications (Su Z, Li G, 2024).

Other Notes

Enzyme substrate for acetate kinase (EC 2.7.2.1)

Linkage

Replaces: SX0255; SX0255-1; SX0255-3; SX0255-20

Analysis Note

Assay (perchloric acid titration): 99.0 - 101.0 %
Assay (perchloric acid titration, calculated on dried substance): 99.0 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water): 7.5 - 9.0
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.0002 %
Sulfate (SO₄): ≤ 0.002 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.001 %
Cu (Copper): ≤ 0.0003 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.0005 %
Pb (Lead): ≤ 0.0005 %
Calcium and Magnesium (as Ca): ≤ 0.005 %
Substances reducing permanganate: passes test
Reducing substances: ≤ 0.005 %
Loss on drying (130 °C): 39.0 - 40.5 %
UV absorption (254 nm; 1 mol/l; 1 cm; water): ≤ 0.02
UV absorption (280 nm; 1 mol/l; 1 cm; water): ≤ 0.01
UV absorption (350 nm; 1 mol/l; 1 cm; water): ≤ 0.01
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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