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Merck
CN

60414

Potassium nitrate

BioUltra, ≥99.5% (T)

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About This Item

Linear Formula:
KNO3
CAS Number:
Molecular Weight:
101.10
UNSPSC Code:
12352200
PubChem Substance ID:
EC Number:
231-818-8
MDL number:
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product line

BioUltra

assay

≥99.5% (T)

impurities

insoluble matter, passes filter test

loss

≤0.1% loss on drying, 110 °C

pH

5.0-8.0 (25 °C, 1 M in H2O)

mp

334 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

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

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, Li: ≤5 mg/kg, Mg: ≤50 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, NH4+: ≤10 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 328 nm in H2O at 1 M

SMILES string

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

InChI

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

InChI key

FGIUAXJPYTZDNR-UHFFFAOYSA-N

Other Notes

Substrate for the assay of nitrate reductase; Component of media for testing bacterial nitrate reduction.


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pictograms

Flame over circle

signalword

Warning

hcodes

Hazard Classifications

Ox. Sol. 3

Storage Class

5.1B - Oxidizing hazardous materials

wgk

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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