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Merck
CN

941948

Sodium nitrate

new

anhydrous, cathode material precursor, battery grade, (low Li and K), 99.9% trace metals basis

Synonym(s):

Chile salpeter, Sodium nitrate, niter

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grade

anhydrous
battery grade

Quality Level

100

Assay

99.9% trace metals basis

form

powder or crystals

color

white

pH

5.5-8

mp

306 °C

solubility

soluble (91 g / 100 g water (25 °C))

density

1.223 g/cm3 at 25 °C ((lit.))

anion traces

chloride (Cl-): <10 ppm
sulfate (SO42-): <30 ppm

cation traces

Ca: <5 ppm
Cu: <20 ppm
Fe: <5 ppm
K: <100 ppm
Li: <100 ppm
Mg: <5 ppm
Zn: <20 ppm

SMILES string

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

InChI

1S/NO3.Na/c2-1(3)4;/q-1;+1

InChI key

VWDWKYIASSYTQR-UHFFFAOYSA-N

General description

Our battery grade sodium nitrate is a high-purity, anhydrous compound used in material synthesis, for example in the synthesis of sodium-ion cathode materials. Our material is carefully synthesized to minimize impurities like trace metals, lithium, potassium, and anion impurities like chloride and sulfate that impact the performance of synthesized products.

Application

Our high-purity sodium nitrate is an essential precursor in the synthesis of sodium-ion cathode materials. It is commonly used in the preparation of layered oxides, both P-type and O-type, such as sodium cobalt oxide or nickel iron manganese oxide (NFM),[,] In a typical sol-gel synthesis sodium nitrate is dissolved in water with transition metal nitrates and a chelating agent to form a gel. The gel is dried and then calcined to yield the desired sodium cathode material. Our high-purity sodium nitrate has many additional uses beyond battery research, for example as a synthetic reagent for sodium materials or as an electrolyte in electrochemistry.

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