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935700

Sigma-Aldrich

Sodium acetate trihydrate

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≥99.9% trace metals basis

Synonym(s):

Sodium acetate trihydrate, Hot ice, NaOAc, Sodium acetate hydrate, Sodium ethanoate trihydrate, Acetic acid sodium salt trihydrate

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About This Item

Linear Formula:
CH3COONa · 3H2O
CAS Number:
Molecular Weight:
136.08
Beilstein:
3732037
MDL number:
UNSPSC Code:
12352302
NACRES:
NA.21

Quality Level

Assay

≥99.9% trace metals basis

form

powder or crystals (or granules)

autoignition temp.

1112 °F

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color

white to off-white

solubility

soluble, clear

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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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General description

Sodium Acetate trihydrate is a hydrated sodium salt of acetic acid. It is an excellent inorganic phase change material (PCM) due to its high energy storage density and thermal conductivity, widely used in the sector of dyeing, printing, pharmacy and buffering agent.It is soluble in alcohol.
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Application

Sodium acetate trihydrate can be used:

  • The composite of Sodium acerate trihydrate with Graphite is used as a promising materials for storage of solar thermal energy.
  • It is also used as a phase change materials in energy storage due to its high energy storage capacity.
  • Sodium acetate trihydrate has been studied to synthesis Na2FeSiO4 as novel Cathode Material for Sodium-Ion Batteries by using sol-gel method.
  • In addition, carbon coated Na3V2(PO4)3 cathode material is synthesised by using Sodium acetate trihydrate as a precursor for sodium-ion batteries to increase the cycling stability and rate capability.
  • Furthermore, sodium iron silicate was synthesized using solvothermal synthesis and tested as a cathode material for Na-ion batteries for the first time using sodium acetate trihydrate.
  • Interstingly, Sodium acetate trihydrate is also used to synthesis a anode materials of ZnFe2O4@C/G nanocomposite for Lithium-ion batteries.[6]

Other Notes

Enzyme substrate for acetate kinase (EC 2.7.2.1)

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Zero-Strain Na2FeSiO4 as Novel Cathode Material for Sodium-Ion Batteries
Li, Shouding
ACS Applied Materials & Interfaces, 8, 17233 17238- 17233 17238 (2016)
Investigation of metastable Na2FeSiO4 as a cathode material for Na-ion secondary battery
Kee, Yongho
Materials Chemistry and Physics, 171, 45?49-45?49 (2016)
Effects of nitrogen doping on the structure and performance of carbon coated Na3V2(PO4)3cathodes for sodium-ion batteries
Zhang, Huang
Carbon, 124, 334?341-334?341 (2017)
Solidification behavior and thermal conductivity of bulk sodium acetate trihydrate composites with thickening agents and graphite
Dannemand, Mark
Solar Energy Materials and Solar Cells, 145, 287?295-287?295 (2016)
Thermal performance of sodium acetate trihydrate thickened with different materials as phase change energy storage material
Cabeza, Luisa
Applied Thermal Engineering, 23, 1697?1704-1697?1704 (2003)

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