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P6083

Sigma-Aldrich

Potassium nitrate

BioXtra, ≥99.0%

Synonym(s):
KNO3, saltpeter
Empirical Formula (Hill Notation):
KNO3
CAS Number:
Molecular Weight:
101.10
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.71

product line

BioXtra

Quality Level

Assay

≥99.0%

form

crystals

impurities

<0.0005% Phosphorus (P)
<0.01% Insoluble matter

mp

334 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): <0.002%
sulfate (SO42-): <0.003%

cation traces

Al: <0.0005%
Ca: <0.0005%
Cu: <0.0005%
Fe: <0.0005%
Mg: <0.0005%
NH4+: <0.05%
Na: <0.005%
Pb: <0.001%
Zn: <0.0005%

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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1.932251.936251.05065
Potassium nitrate BioXtra, &#8805;99.0%

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Potassium nitrate 99.995 Suprapur&#174;

Supelco

1.05065

Potassium nitrate

assay

≥99.0%

assay

-

assay

-

assay

99.995%

form

crystals

form

-

form

-

form

solid

impurities

<0.0005% Phosphorus (P), <0.01% Insoluble matter

impurities

-

impurities

-

impurities

-

mp

334 °C (lit.)

mp

-

mp

-

mp

334 °C

solubility

H2O: 1 M at 20 °C, clear, colorless

solubility

-

solubility

-

solubility

320 g/L

anion traces

chloride (Cl-): <0.002%, sulfate (SO42-): <0.003%

anion traces

-

anion traces

-

anion traces

-

Pictograms

Flame over circle

Signal Word

Warning

Hazard Statements

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

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