Potassium nitrate

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Products Intro:	Product Name:Potassium nitrate (99.999%-K) PURATREM CAS:7757-79-1 Purity:99.999% Package:25g, 100g

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Products Intro:	CAS:7757-79-1

Potassium nitrate Basic information

Product Name:	Potassium nitrate
Synonyms:	collo-bo;kaliinitras;kaliumnitrat;nitrateofpotash;nitre;vicknite;SALTPETER;POTASSIUM ION CHROMATOGRAPHY STANDARD
CAS:	7757-79-1
MF:	KNO3
MW:	101.1
EINECS:	231-818-8
Product Categories:	Inorganic Chemicals;Inorganics;ACS GradeSynthetic Reagents;Essential Chemicals;Inorganic Salts;Potassium;Routine Reagents;Synthetic Reagents;AAS;AAS CRMsSpectroscopy;AASSpectroscopy;Application CRMs;Matrix Selection;NitrateAlphabetic;P;PON - PT;Spectroscopy;Analytical Reagents;Atomic Absorption Spectroscopy (AAS);Digestion Reagents;Pure Salts for Melting Digestions (Trace SELECT)Analytical/Chromatography;Trace Analysis Reagents;Analytical Reagents for General Use;O-P, Puriss p.a. ACS;Puriss p.a. ACS;Analytical/Chromatography;Auxiliaries for ISE;Ion Sensor Materials;Cationic SolutionsChromatography;Cationic Standard SolutionsAlphabetic;Ion Chromatography;Ion Chromatography Standards;Optimization Reagents;Protein Structural Analysis;X-Ray Crystallography;Optimization ReagentsSynthetic Reagents;Potassium Salts;PotassiumMetal and Ceramic Science;Salts;ICP CRMsSpectroscopy;ICP-OES/-MS;ICPSpectroscopy;metal nitrate salts
Mol File:	7757-79-1.mol

Potassium nitrate Chemical Properties

mp	334 °C(lit.)
bp	100 °C750 mm Hg
density	1.00 g/mL at 20 °C
Fp	400°C
storage temp.	Store at RT.
solubility	H₂O: 1 M at 20 °C, clear, colorless
Water Solubility	320 g/L (20 ºC)
Sensitive	Hygroscopic
Merck	14,7648
Stability:	Stable. Strong oxidizer - contact with combustible material may cause fire. Incompatible with combustible materials, strong reducing agents.
CAS DataBase Reference	7757-79-1(CAS DataBase Reference)
EPA Substance Registry System	Nitric acid potassium salt(7757-79-1)

Safety Information

MSDS Information

Potassium nitrate Usage And Synthesis

Chemical Properties	White solid
General Description	A white to dirty gray crystalline solid. Water soluble. Noncombustible, but accelerates the burning of combustible materials. If large quantities are involved in fire or the combustible material is finely divided an explosion may result. May explode under prolonged exposure to heat or fire. Toxic oxides of nitrogen are produced in fires. Used in solid propellants, explosives, fertilizers.
Air & Water Reactions	Soluble in water.
Reactivity Profile	Potassium nitrate mixed with alkyl esters may explode, owing to the formation of alkyl nitrates; mixtures with phosphorus, tin (II) chloride, or other reducing agents may react explosively [Bretherick 1979. p. 108-109]. Powdered antimony mixed with Potassium nitrate explodes when heated [Mellor 9:282 1946-47]. A mixture of antimony trisulfide and Potassium nitrate explodes at a red heat [Mellor 9:524. 1946-47]. Arsenic disulfide forms explosive mixtures when mixed with Potassium nitrate, [Mellor 9:270.1946-47]. A mixture of sodium acetate and Potassium nitrate may cause an explosion [Pieters 1957. p. 30]. A mixture of Potassium nitrate and sodium hypophosphite constitutes a powerful explosive [Mellor 8:881. 1946-47]. A mixture of powdered zirconium and Potassium nitrate explodes when heated above the melting point [Mellor 7:116. 1946-47].
Health Hazard	Exposure can cause mild irritation of eyes, nose and throat.

Potassium nitrate Preparation Products And Raw materials

Preparation Products

Raw materials

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