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Merck

25022

Acetato de sodio trihydrate

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puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E262, 99.0-101.0% (calc. to the dried substance), ≤0.00002% Al

Sinónimos:

Ácido acético sodium salt trihydrate

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About This Item

Fórmula lineal:
CH3COONa · 3H2O
Número CAS:
Peso molecular:
136.08
UNSPSC Code:
12352300
NACRES:
NA.21
PubChem Substance ID:
EC Number:
204-823-8
Beilstein/REAXYS Number:
3732037
MDL number:

Nombre del producto

Acetato de sodio trihydrate, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E262, 99.0-101.0% (calc. to the dried substance), ≤0.00002% Al

InChI key

AYRVGWHSXIMRAB-UHFFFAOYSA-M

InChI

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

SMILES string

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

grade

puriss.

assay

99.0-101.0% (calc. to the dried substance)

form

powder or crystals

autoignition temp.

1112 °F

quality

meets analytical specification of Ph. Eur., BP, USP, FCC, E262

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

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impurities

organic volatile impurities, complies (GC)
reducing matter, complies
residual solvents, in accordance
≤0.00002% Al
≤0.001% heavy metals (as Pb)
≤0.002% KMnO4 red. matter (as O)
≤0.1% KMnO4 red. matter (as HCOOH)

loss

39.0-40.5% loss on drying, 130 °C

pH

7.5-9.0 (20 °C, 5%)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤0.2 mg/kg
As: ≤2 mg/kg
Ca: ≤20 mg/kg
Cu: ≤10 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
K: ≤200 mg/kg
Mg: ≤20 mg/kg
Pb: ≤2 mg/kg
Zn: ≤10 mg/kg

suitability

complies for appearance of solution

greener alternative category

Quality Level

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Other Notes

Sustrato enzimático para la acetato cinasa (EC 2.7.2.1)

Application

Sodium acetate trihydrate may be used in the fabrication of silicone/sodium acetate trihydrate hybrid, a water-responsive shape memory hybrid.

General description

Sodium acetate trihydrate can be obtained from the crystallization of sodium acetate in water. On heating at 75°C, it melts, while on heating above 120°C it loses water of crystallization and gets converted into anhydrous form. The hyperfine proton and 13C splittings have been evaluated by recording ESR spectra of its irradiated single crystals. ESR studies suggested the existence of trapped methyl radicals. Its crystals are monoclinic and their structure has been investigated by photographic methods. Unit cell parameters were evaluated.
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.

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Visite la Librería de documentos

Methyl radical in irradiated single crystals of sodium acetate trihydrate.
Rogers MT and Kispert LD.
J. Chem. Phys. , 46(1), 221-223 (1967)
Water-responsive shape memory hybrid: Design concept and demonstration.
Fan K, et al.
Express Polymer Letters, 5(5), 409-416 (2011)
The crystal structure of sodium acetate trihydrate.
Cameron TS, et al.
Acta Crystallographica Section B, Structural Science, 32(1), 87-90 (1976)
Eagleson M.
Concise Encyclopedia Chemistry, 995-995 (1994)
Claire E Mason et al.
Journal of the American Society for Mass Spectrometry, 24(2), 274-285 (2013-01-04)
Single-stranded DNA-binding proteins (SSBs) are ubiquitous oligomeric proteins that bind with very high affinity to single-stranded DNA and have a variety of essential roles in DNA metabolism. Nanoelectrospray ionization mass spectrometry (nanoESI-MS) was used to monitor subunit exchange in full-length

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