硝酸钠

Name: 硝酸钠
Brand: SIGALD

puriss. p.a., ACS reagent, reag. ISO, ≥99.5%

别名:

智利硝石

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About This Item

经验公式（希尔记法）:

NaNO₃

CAS Number:

7631-99-4

分子量:

84.99

EC 号:

231-554-3

MDL编号:

MFCD00011119

UNSPSC代码:

12352302

PubChem化学物质编号:

329753767

等级

ACS reagent
puriss. p.a.

Agency

reag. ISO

方案

≥99.5%

杂质

≤0.002% ammonium (NH₄)
≤0.005% in water insoluble matters

pH值（酸碱度）

5.5-8.0 (20 °C, 5%)

mp

306 °C (dec.) (lit.)

痕量阴离子

chloride (Cl^-): ≤5 mg/kg
iodate (IO₃^-): ≤5 mg/kg
nitrite (NO₂^-): ≤10 mg/kg
phosphate (PO₄^3-): ≤2 mg/kg
sulfate (SO₄^2-): ≤30 mg/kg

痕量阳离子

Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
K: ≤50 mg/kg
Mg: ≤10 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES字符串

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

InChI

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

InChI key

VWDWKYIASSYTQR-UHFFFAOYSA-N

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一般描述

Sodium nitrate is an inorganic sodium salt. Sodium nitrate (Chile saltpeter, NaNO₃) is found naturally in abundant amounts in paleogeochemical ores in northern Chile. Sodium nitrate can be obtained from these ores by mining and leaching. NaNO₃ can be used as a fertilizer in agricultural fields.

应用

Sodium nitrate may be employed in polyol process for the modification of morphological features of Pt nanoparticles. It may be employed for the modification of natural phosphate (NP) to afford natural phosphate doped with sodium nitrate (NaNO₃/NP). NaNO₃/NP was used as a catalyst during the synthesis of chalcones.