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Merck
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31263

Sigma-Aldrich

硝酸钾

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%

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About This Item

经验公式（希尔记法）:
KNO3
CAS号:
7757-79-1
分子量:
101.10
EC號碼:
231-818-8
MDL號碼:
MFCD00011409
分類程式碼代碼:
12352302
PubChem物質ID:
329753710
NACRES:
NB.24

等級

ACS reagent
puriss. p.a.

agency

USP/NF
reag. ISO
reag. Ph. Eur.

化驗

≥99%

形狀

crystalline

雜質

≤0.001% ammonium (NH4)
≤0.005% water insolubles

pH值

5.5-7.5 (20 °C, 5%)

mp

334 °C (lit.)

負離子痕跡

chloride (Cl-): ≤10 mg/kg
iodate (IO3-): ≤5 mg/kg
nitrite (NO2-): ≤10 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg

正離子痕跡

Ca: ≤10 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Mg: ≤20 mg/kg
Na: ≤50 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
heavy metals: ≤5 ppm (by ICP-OES)

SMILES 字串

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

InChI

1S/K.NO3/c;2-1(3)4/q+1;-1

InChI 密鑰

FGIUAXJPYTZDNR-UHFFFAOYSA-N

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相关类别

一般說明

硝酸钾（KNO3）是一种水溶性无机盐，通常用作硝离子的来源。它也被用作各种有机转化的助催化剂。

應用

硝酸钾可用于以下反应：      
  • 以 KNO3/Al2O3 为碱型多相催化剂，通过酯交换反应生产生物柴油。
  • KNO3/Br2 催化体系用于硫化物和醇类的有氧氧化。

象形圖

Flame over circle
GHS03

訊號詞

Warning

危險聲明

H272

危險分類

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

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