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Merck

221341

Sigma-Aldrich

硝酸钠

Sodium nitrate

ACS reagent, ≥99.0%

别名:

智利硝石

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500 G
$182.00
2.5 KG
$496.00

$182.00


预计发货时间2025年4月21日详情


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500 G
$182.00
2.5 KG
$496.00

About This Item

经验公式(希尔记法):
NaNO3
CAS号:
分子量:
84.99
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21

$182.00


预计发货时间2025年4月21日详情


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等级

ACS reagent

Agency

suitable for EPA 1621
suitable for EPA 300

方案

≥99.0%

表单

powder or crystals

杂质

≤0.005% insolubles

pH值(酸碱度)

5.5-8.3 (25 °C, 5%)

mp

306 °C (dec.) (lit.)

痕量阴离子

chloride (Cl-): ≤0.001%
iodate (IO3-): ≤5 ppm
nitrite (NO2-): ≤0.001%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.003%

痕量阳离子

Ca: ≤0.005%
Fe: ≤3 ppm
Mg: ≥0.002%
heavy metals: ≤5 ppm (by ICP)

应用

PFAS testing

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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相关类别

一般描述

硝酸钠是一种水溶性无机盐,常用于肥料中。[1]由于其在高温下的热稳定性,它作为相更改储能材料 (PCM) 显示出潜力。[2]

应用

硝酸钠可用于改性天然磷酸盐,用作克莱森-施密特缩合反应的碱性催化剂。[3]也可用于三氟乙酸中苯的硝化。[4]

象形图

Flame over circleExclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2 - Ox. Sol. 3

储存分类代码

5.1B - Oxidizing hazardous materials

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Characterization of sodium nitrate as phase change material.
Bauer T, et al.
International Journal of Thermophysics, 33(1), 91-104 (2012)
Trifluoroacetic acid as a medium for aromatic nitration using sodium nitrate.
Spitzer UA & Stewart R.
The Journal of Organic Chemistry, 39(26), 3936-3937 (1974)
Chen Zhang et al.
Nutrients, 11(5) (2019-05-30)
The polysaccharide isolated from alfalfa was considered to be a kind of macromolecule with some biological activities; however, its molecular structure and effects on immune cells are still unclear. The objectives of this study were to explore the extraction and
Application of natural phosphate modified with sodium nitrate in the synthesis of chalcones: a soft and clean method.
Sebti S, et al.
J. Catal., 213(1), 1-6 (2003)
Calcined sodium nitrate/natural phosphate: an extremely active catalyst for the easy synthesis of chalcones in heterogeneous media.
Sebti S, et al.
Tetrahedron Letters, 42(45), 7953-7955 (2001)

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