12648
Potassium nitrate
puriss., meets analytical specification of Ph Eur, BP, USP, FCC, E252, 99.0-100.5%
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About This Item
grade
puriss.
Quality Level
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
SMILES string
[K+].[O-][N+]([O-])=O
InChI
1S/K.NO3/c;2-1(3)4/q+1;-1
InChI key
FGIUAXJPYTZDNR-UHFFFAOYSA-N
General description
Potassium nitrate can find applications as an oxidizer, which can be prepared by combining ammonium nitrate and potassium hydroxide under hot conditions.
Application
- Preparation of gun powder, ceramics, glass, dyeing and printing.1
- As oxidizing agent in the fireworks.1
- Preparation of potassium nitrite.1
- As desensitizing agent for tooth hypersensitivity.
- As phase change material for the preparation of nanofluids with phase change behavior.
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signalword
Warning
hcodes
Hazard Classifications
Ox. Sol. 3
Storage Class
5.1B - Oxidizing hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
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