31263
Potassium nitrate
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%
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About This Item
Quality Segment
agency
USP/NF, reag. ISO, reag. Ph. Eur.
grade
ACS reagent, puriss. p.a.
assay
≥99%
form
crystalline
impurities
≤0.001% ammonium (NH4), ≤0.005% water insolubles
pH
5.5-7.5 (20 °C, 5%)
mp
334 °C (lit.)
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
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
General description
Application
- 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.
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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
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
Group 1: Oxidizing solids + Nitrates + Hazardous rank I + 1st oxidizing solid
fsl
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
31263-100G:4.548173389103E12
jan
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