31263
硝酸钾
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%
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关于此项目
经验公式（希尔记法）:
KNO3
化学文摘社编号:
分子量:
101.10
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-818-8
MDL number:
Assay:
≥99%
Form:
crystalline
产品名称
硝酸钾, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%
InChI key
FGIUAXJPYTZDNR-UHFFFAOYSA-N
InChI
1S/K.NO3/c;2-1(3)4/q+1;-1
SMILES string
[K+].[O-][N+]([O-])=O
grade
ACS reagent
puriss. p.a.
agency
USP/NF
reag. ISO
reag. Ph. Eur.
assay
≥99%
form
crystalline
impurities
≤0.001% ammonium (NH4)
≤0.005% water insolubles
pH
5.5-7.5 (20 °C, 5%)
mp
334 °C (lit.)
anion traces
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
cation traces
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)
Quality Level
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Application
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。
General description
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。
signalword
Warning
hcodes
Hazard Classifications
Ox. Sol. 3
存储类别
5.1B - Oxidizing hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
易制爆化学品
危险化学品
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