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Merck
모든 사진(1)

문서

31263

Sigma-Aldrich

Potassium nitrate

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

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About This Item

실험식(Hill 표기법):
KNO3
CAS Number:
Molecular Weight:
101.10
EC Number:
MDL number:
UNSPSC 코드:
12352302
PubChem Substance ID:
NACRES:
NB.24

Grade

ACS reagent

Agency

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

grade

puriss. p.a.

분석

≥99%

형태

crystalline

불순물

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

pH

5.5-7.5 (20 °C, 5%)

mp

334 °C (lit.)

음이온 미량물

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

양이온 미량물

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 string

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

InChI

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

InChI key

FGIUAXJPYTZDNR-UHFFFAOYSA-N

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관련 카테고리

일반 설명

Potassium nitrate (KNO3) is a water-soluble inorganic salt that is commonly used as a source of nitrate ions. It is also used as a cocatalyst in various organic transformations.

애플리케이션

Potassium nitrate can be used in the following:      
  • KNO3/Al2O3 is used as a base heterogeneous catalyst in the production of biodiesel via transesterification reaction. 
  • KNO3/Br2 catalytic system is used for the aerobic oxidations of sulfides and alcohols.

픽토그램

Flame over circle

신호어

Warning

유해 및 위험 성명서

Hazard Classifications

Ox. Sol. 3

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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