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13443 Potassium nitrate, ACS, 99.0% min

CAS Number
7757-79-1
Synonyms

Stock No. Size Price ($) Quantity Availability
13443-22 100g 31.90
13443-36 500g 57.70
13443-A3 2kg 136.00
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Potassium nitrate, ACS, 99.0% min

MDL
MFCD00011409
EINECS
231-818-8

Chemical Properties

Formula
KNO3
Formula Weight
101.11
Form
Crystalline
Melting point
334°
Boiling Point
400° dec.
Density
2.109
Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Solubility
Soluble in water, glycerol, liquid NH{3}Moderately soluble in water, and insoluble in alcohol. Soluble in glycerol and ammonia.

Applications

Pyrotechnics, glass manufacture, tempering steel, reagentPotassium nitrate has a vast variety of applications. Appropriate preparations of potassium nitrate find use in fertilizers, food preservatives, tooth paste, rocket propellants and fireworks. In addition, it is also used as an electrolyte in a salt bridge, and as thermal storage medium in power generation systems. It forms phase change material with silica and alumina nanoparticles. In combination with boron trifluoride it forms an efficient reagent for nitration of aromatic compounds. Adsorption on alumina provides an environmentally benign aromatic nitrating agent.

Notes

It is an oxidizer. Stable under ordinary conditions. Incompatible with reducing agents and alcohols.

Literature References

Chieruzzi, M.; Miliozzi, A.; Crescenzi, T.; Torre, L.; Kenny, J. M. A New Phase Change Material Based on Potassium Nitrate with Silica and Alumina Nanoparticles for Thermal Energy Storage. Nanoscale Res. Lett. 2015, 10, 273.

Nagayama, S.; Katoh, K.; Higashi, E.; Nakano, K.; Kumagae, K.; Habu, H.; Wada, Y.; Arai, M. Differential scanning calorimetry analysis of crystal structure transformation in spray-dried particles consisting of ammonium nitrate, potassium nitrate, and a polymer. J. Therm. Anal. Calorim. 2014, 118 (2), 1215-1219.

Wang, Y.; Huang, W. Y.; Chun, Y.; Xia, J. R.; Zhu, J. H. Dispersion of Potassium Nitrate and the Resulting Strong Basicity on Zirconia. Chem. Mater. 2001, 13 (2), 670-677.

Carrascull, A. L.; Ponzi, M. I.; Ponzi, E. N. Catalytic Combustion of Soot on KNO3/ZrO2 Catalysts. Effect of Potassium Nitrate Loading on Activity. Ind. Eng. Chem. Res. 2003, 42 (4), 692-697.

GHS Hazard and Precautionary Statements

Hazard Statements: H272-H303

May intensify fire; oxidizer. May be harmful if swallowed.

Precautionary Statements: P221-P210v-P220-P280a-P312a-P501a

Take any precaution to avoid mixing with combustibles. Keep away from heat Keep/Store away from clothing/combustible materials. Wear protective gloves and eye/face protection. Call a POISON CENTER/doctor if you feel unwell. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,7648
Hazard Class
5.1
Packing Group
III
Harmonized Tariff Code
2834.21
TSCA
Yes
RTECS
TT3700000

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  • 11566

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