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542040

Sigma-Aldrich

Potassium nitrate

99.999% trace metals basis

Synonym(s):

Saltpeter

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About This Item

Empirical Formula (Hill Notation):
KNO3
CAS Number:
7757-79-1
Molecular Weight:
101.10
EC Number:
231-818-8
MDL number:
MFCD00011409
UNSPSC Code:
12352302
PubChem Substance ID:
24878578
NACRES:
NA.23

Quality Level

100

Assay

99.999% trace metals basis

form

crystalline

technique(s)

flow cytometry: suitable

impurities

≤15.0 ppm Trace Metal Analysis

mp

334 °C (lit.)

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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Application

  • Improving drought and salinity tolerance in barley by application of salicylic acid and potassium nitrate: Studies the ameliorative effects of potassium nitrate and salicylic acid on barley, showing improved tolerance to drought and salinity stress (KA Fayez, SA Bazaid, 2014).
  • Prior application of 10% potassium nitrate to reduce post-bleaching sensitivity: a randomized triple-blind clinical trial: Evaluates the use of potassium nitrate in reducing sensitivity post dental bleaching, providing clinical evidence of its effectiveness (M Rezende, KL da Silva, TC Miguel, PV Farago, 2020).

Pictograms

Flame over circle
GHS03

Signal Word

Warning

Hazard Statements

H272

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The objective of this study is to examine the effects of acute ingestion of dietary nitrate on endurance running performance in highly trained cross-country skiers. Dietary nitrate has been shown to reduce the oxygen cost of submaximal exercise and improve
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