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Potassium nitrate

SIGALD/12648 - puriss., meets analytical specification of Ph Eur, BP, USP, FCC, E252, 99.0-100.5%

CAS Number: 7757-79-1
Empirical Formula (Hill Notation): KNO3
Molecular Weight: 101.10
EC Number: 231-818-8
MDL Number: MFCD00011409
Linear Formula: KNO3
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-12648-1KG 1 kg
$150.00
1/EA
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45-12648-6X1KG 1 kg
$532.00
6/EA
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anion traces chloride (Cl-): ≤10 mg/kg
  nitrite (NO2-): ≤5 mg/kg
  sulfate (SO42-): ≤100 mg/kg
assay 99.0-100.5%
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
form powder or crystals
grade puriss.
impurities acidity or alkalinity, complies
  reducing matter, complies
  residual solvents, complies
  ≤0.001% heavy metals (as Pb)
  ≤0.005% ammonium (NH4)
InChI 1S/K.NO3/c;2-1(3)4/q+1;-1
InChI key FGIUAXJPYTZDNR-UHFFFAOYSA-N
loss ≤0.5% loss on drying, 105 °C
mp 334 °C (lit.)
pH 5-8 (20 °C, 5%)
quality meets analytical specification of Ph Eur, BP, USP, FCC, E252
Quality Level 100 
SMILES string [K+].[O-][N+]([O-])=O
suitability complies for appearance of solution
Application: Potassium nitrate may be employed for the following studies:
• 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.
General description: Potassium nitrate is colorless potassium salt having rhombic crystals. It is an oxidizing agent. In nature it is found as saltpeter. It can be prepared by reacting potassium carbonate/ hydroxide with nitric acid or by the reaction of sodium nitrate with potassium chloride.1 It can be prepared by combining ammonium nitrate and potassium hydroxide under hot conditions.
Potassium nitrate can find applications as an oxidizer, which can be prepared by combining ammonium nitrate and potassium hydroxide under hot conditions.
Symbol GHS03  GHS03
Signal word Warning
Hazard statements H272
Precautionary statements P210
Hazard Codes O
Risk Statements 8
RIDADR UN 1486 5.1 / PGIII
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 99.0-100.5%
mp 334 °C (lit.)
UNSPSC 12352300

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