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105065  Potassium nitrate
99.995 Suprapur®

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24 April 2014

Product number Packaging Qty/Pk Quantity Price
1050650050  Plastic bottle   50 g  loading
1050650500  Plastic bottle   500 g  loading
Prices are subject to change without notice.
Product information
Synonyms Nitric acid potassium salt
Hill Formula KNO3
Chemical formula KNO3
HS Code 2834 21 00
EC number 231-818-8
Molar mass 101.10 g/mol
CAS number 7757-79-1
Chemical and physical data
Solubility 320 g/l (20 °C)
Melting point 334 °C
Molar mass 101.10 g/mol
Bulk density 800 kg/m3
pH value 5.0 - 7.5 (50 g/l, H2O, 20 °C)
Safety information according to GHS
Hazard Statement(s) H272: May intensify fire; oxidiser.
Precautionary Statement(s) P210: Keep away from heat.
P221: Take any precaution to avoid mixing with combustibles.
Signal Word Warning
Hazard Pictogram(s)
RTECS TT3700000
Storage class 5.1B Oxidizing hazardous materials
WGK WGK 1 slightly water endangering
Safety information
R Phrase R 8
Contact with combustible material may cause fire.
S Phrase S 16-41
Keep away from sources of ignition - No smoking.In case of fire and/or explosion do not breathe fumes.
Categories of danger oxidizing
Hazard Symbol
Transport information
Declaration (railroad and road) ADR, RID UN 1486 Kaliumnitrat, 5.1, III
Declaration (transport by sea) IMDG-Code UN 1486 POTASSIUM NITRATE, 5.1, III
Declaration (transport by air) IATA-DGR UN 1486 POTASSIUM NITRATE, 5.1, III
Toxicological data
LD 50 oral LD50 rat 3015 mg/kg

© Merck KGaA, Darmstadt, Germany, 2014


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