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P6083

Sigma-Aldrich

Potassium nitrate

BioXtra, ≥99.0%

Synonym(s):

KNO3, 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:
12352207
PubChem Substance ID:
24898644
NACRES:
NA.71
assay:
≥99.0%
form:
crystals
solubility:
H2O: 1 M at 20 °C, clear, colorless
Pricing and availability is not currently available.

product line

BioXtra

Quality Level

100

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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Potassium nitrate

form

crystals

form

powder or crystals

form

crystals

form

-

solubility

H2O: 1 M at 20 °C, clear, colorless

solubility

-

solubility

-

solubility

-

assay

≥99.0%

assay

≥99.0%

assay

≥99.0%

assay

-

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

-

impurities

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

impurities

-

impurities

≤0.005% insolubles

impurities

-

cation traces

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

cation traces

-

cation traces

Ca: ≤0.005%, Fe: ≤3 ppm, Mg: ≤0.002%, Na: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES)

cation traces

-

pictograms

Flame over circle
GHS03

signalword

Warning

hcodes

H272

Hazard Classifications

Ox. Sol. 3

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV5898
MKCW6460
MKCR6646
MKCF8417
MKCD0190

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