Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Potassium nitrite (distinct from potassium nitrate) is the inorganic compound with the chemical formula KNO2. It is an ionic salt of potassium ions K+ and nitrite ions NO2−, which forms a white or slightly yellow, hygroscopic crystalline powder that is soluble in water.[1]
It is a strong oxidizer and may accelerate the combustion of other materials. Like other nitrite salts such as sodium nitrite, potassium nitrite is toxic if swallowed, and laboratory tests suggest that it may be mutagenic or teratogenic. Gloves and safety glasses are usually used when handling potassium nitrite.
^Santa Cruz Biotechnology. "Potassium Nitrite Materials and Safety Sheet". {{cite web}}: Missing or empty |url= (help)
Potassiumnitrite (distinct from potassium nitrate) is the inorganic compound with the chemical formula KNO2. It is an ionic salt of potassium ions K+...
caused by adding nitrites to meat. Nitrite has the E number E250. Potassiumnitrite (E249) is used in the same way. It is approved for usage in the European...
mixture of potassiumnitrite and concentrated sulfuric acid. 1 g of potassiumnitrite is used for every 10 mL of sulfuric acid. Potassiumnitrite may also...
ppm nitrites. Potassiumnitrite and potassium nitrate additions allow the production of sausages with lower levels of sodium. When using the potassium form...
barium or lead nitrite with ammonium sulfate, or silver nitrite with ammonium chloride, or ammonium perchlorate with potassiumnitrite. The precipitate...
monoprotic acid known only in solution, in the gas phase, and in the form of nitrite (NO− 2) salts. It was discovered by Carl Wilhelm Scheele, who called it...
precipitate of potassium sulfate and lithium potassium sulfate after further evaporation and extraction with absolute alcohol. Lithium nitrite is exceptionally...
involves the reduction of nitrous acid in the form of sodium nitrite or potassiumnitrite: 2 NaNO2 + 2 NaI + 2 H2SO4 → I2 + 2 Na2SO4 + 2 H2O + 2 NO 2 NaNO2...
metal nitrites, such as lithium nitrite. Barium nitrite can be made by reacting barium nitrate with lead metal sponge, or by reaction of lead nitrite with...
conditions, particularly at high concentrations or when combined with nitrites, potassium sorbate has shown genotoxic activity in vitro. Three studies conducted...
modern dry cure hams also use nitrites (either sodium nitrite or potassiumnitrite), which are added along with the salt. Nitrites are used because they prevent...
For example, sodium and potassiumnitrite reacting with iodomethane would produce mostly nitromethane, with methyl nitrite as the minor product. However...
nitrate rely on its conversion to nitrite followed by nitrite-specific tests. The reduction of nitrate to nitrite is effected by a copper-cadmium material...
April 2023). "Nitrites et jambons "cancérogènes": nouvelle victoire en appel de Yuka contre un industriel de la charcuterie" [Nitrites and "carcinogenic"...
antioxidant Potassium nitrate – preservative, color fixative Potassiumnitrite – preservative, color fixative Potassium phosphates – mineral salt Potassium propionate...
dimethyl dicarbonate preservative 249 A E U potassiumnitrite preservative, colour fixative 250 A E U sodium nitrite preservative, colour fixative 251 A E U...
Hydroxylamine can also be produced by the reduction of nitrous acid or potassiumnitrite with bisulfite: HNO2 + 2 HSO−3 → N(OH)(OSO−2)2 + H2O → NH(OH)(OSO−2)...
meat as a preservative breaks down into nitrite, in addition to any nitrite that may also be added. The nitrite then reacts with protein-rich foods (such...
chemistry, transition metal complexes of nitrite describes families of coordination complexes containing one or more nitrite (−NO2) ligands. Although the synthetic...
Safety of Food opinion that nitrites are not required to prevent C. botulinum growth and extend shelf life. (see also Sodium Nitrite: Inhibition of microbial...
and potassium nitrate in water solution produce the salt tripotassium tetranitratomercurate(II) nitrate K3[Hg(NO2)4]NO3. On heating, nitrate nitrites lose...
those two processes.: 705 One antidote for cyanide poisoning, nitrite (i.e., via amyl nitrite), works by converting ferrohemoglobin to ferrihemoglobin, which...
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