Appearance Fine crystals
Colour White
Odour Odourless
pH (5% solution) 8,5
Content of KNO₃ on the anhydrous basis, % (m/m) 99,5
Moisture (as loss on drying at 105°C), % (m/m) 1
Nitrites expressed as KNO₂, (mg/kg) 10
Arsenic (as As), (mg/kg) 0,1
Lead (as Pb), (mg/kg) 0,1
Mercury (as Hg), (mg/kg) 0,1
Ethylene oxide residues (ethylene oxide + 2-chloro-ethanol), (mg/kg) 0,1
Insoluble matter, % (m/m) 0,005
Chlorides (as NaCl), % (m/m) 0,001
Ammonium (NH4) absent
Phosphate (PO4), % (m/m) 0,0005
Sulfate (SO4), % (m/m) 0,003
Iodate (IO3), % (m/m) 0,0005
Sodium (Na), % (m/m) 0,02
Heavy metals (as Pb²⁺), % (m/m) 0,0005

CAS No.

7757-79-1

Molecular Formula

KNO3

Molecular Weight

101.11

HS Code

2834.2100

Symbol

GHS03

Signal Word

Warning

UN No.

1486

IMCO Class No.

5.1

Hazardous Statement

H272

Precaution Statement

P220

Packing

500 GM

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