12648
硝酸钾
puriss., meets analytical specification of Ph Eur, BP, USP, FCC, E252, 99.0-100.5%
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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:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-818-8
MDL number:
Assay:
99.0-100.5%
Form:
powder or crystals
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
puriss.
assay
99.0-100.5%
form
powder or crystals
quality
meets analytical specification of Ph Eur, BP, USP, FCC, E252
impurities
acidity or alkalinity, complies, reducing matter, complies, residual solvents, complies, ≤0.001% heavy metals (as Pb), ≤0.005% ammonium (NH4)
loss
≤0.5% loss on drying, 105 °C
pH
5-8 (20 °C, 5%)
mp
334 °C (lit.)
anion traces
chloride (Cl-): ≤10 mg/kg, nitrite (NO2-): ≤5 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
As: ≤1 mg/kg, Ca: ≤50 mg/kg, Cu: ≤10 mg/kg, Fe: ≤10 mg/kg, Na: ≤1000 mg/kg, Pb: ≤4 mg/kg, Zn: ≤10 mg/kg
suitability
complies for appearance of solution
Quality Level
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General description
硝酸钾是具有菱形晶体的无色钾盐。它是一种氧化剂。在自然界中，它被称为硝石。碳酸钾/氢氧化钾与硝酸反应或硝酸钠与氯化钾反应可制备硝酸钾。1 硝酸铵和氢氧化钾在高温条件下可合成硝酸钾。
硝酸钾可以用作氧化剂，其可以通过硝酸铵和氢氧化钾在高温条件下合成而制备。
硝酸钾可以用作氧化剂，其可以通过硝酸铵和氢氧化钾在高温条件下合成而制备。
Application
硝酸钾可用于以下研究：
- 枪粉、陶瓷、玻璃、印染的制备。1
- 作为烟花中的氧化剂。1
- 亚硝酸钾的制备。1
- 作为牙齿过敏的脱敏剂。
- 作为相变材料，用于制备具有相变行为的纳米流体。
signalword
Warning
hcodes
Hazard Classifications
Ox. Sol. 3
存储类别
5.1B - Oxidizing hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
易制爆化学品
此项目有
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