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221341

Sigma-Aldrich

硝酸钠

ACS reagent, ≥99.0%

同義詞:

智利硝石

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About This Item

經驗公式(希爾表示法):
NaNO3
CAS號碼:
分子量::
84.99
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

agency

suitable for EPA 1621
suitable for EPA 300

化驗

≥99.0%

形狀

powder or crystals

雜質

≤0.005% insolubles

pH值

5.5-8.3 (25 °C, 5%)

mp

306 °C (dec.) (lit.)

負離子痕跡

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

正離子痕跡

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

SMILES 字串

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

InChI

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

InChI 密鑰

VWDWKYIASSYTQR-UHFFFAOYSA-N

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一般說明

硝酸钠是一种水溶性无机盐,常用于肥料中。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。

應用

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。也可用于三氟乙酸中苯的硝化。

象形圖

Flame over circleExclamation mark

訊號詞

Warning

危險聲明

危險分類

Eye Irrit. 2 - Ox. Sol. 3

儲存類別代碼

5.1B - Oxidizing hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析證明 (COA)

輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號,寫有 ‘Lot’或‘Batch’.。

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