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Sodium acetate trihydrate

Name: Sodium acetate trihydrate
Brand: MM

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

Synonym(s):

Acetic acid sodium salt trihydrate

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About This Item

Linear Formula:

CH₃COONa · 3H₂O

CAS Number:

6131-90-4

Molecular Weight:

136.08

UNSPSC Code:

12352107

NACRES:

NA.21

EC Index Number:

204-823-8

MDL number:

MFCD00071557

Beilstein/REAXYS Number:

3732037

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Properties

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)

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

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impurities

≤0.005% Insoluble matter, ≤0.005% Reducing substances

loss

39.0-40.5% loss on drying, 130 °C

pH

(pH (5%;water, 25°C) 7.5 - 9.0)

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%

SMILES string

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

UV absorption

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

greener alternative category

Enabling

storage temp.

2-30°C

InChI

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

InChI key

AYRVGWHSXIMRAB-UHFFFAOYSA-M

Description

General description

We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Sodium acetate trihydrate supports sustainable technologies as an eco-friendly phase change material for thermal energy storage, offering efficient heat retention and release while reducing energy waste and promoting cleaner energy solutions.Click here for more information.

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).

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 (5 %;water, 25°C) 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

Other Notes

Enzyme substrate for acetate kinase (EC 2.7.2.1)

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

Legal Information

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

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c