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12654 Sigma-Aldrich

Potassium nitrite

meets analytical specification of FCC, 97-100.5%

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Properties

Related Categories Chemical Synthesis, Inorganic Salts, Potassium, Synthetic Reagents
Quality Level   200
assay   97-100.5%
quality   meets analytical specification of FCC
impurities   ≤0.001% heavy metals (as Pb)
mp   350 °C (dec.) (lit.)
solubility   water: soluble 0.35 part
  alcohol: slightly soluble
anion traces   chloride (Cl-): ≤100 mg/kg
  sulfate (SO42-): ≤200 mg/kg
cation traces   As: ≤1 mg/kg
  Fe: ≤10 mg/kg
  Pb: ≤4 mg/kg
SMILES string   [K+].[O-]N=O
InChI   1S/K.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1
InChI key   BXNHTSHTPBPRFX-UHFFFAOYSA-M

Description

Application

Potassium nitrite has been used for determining the bacteriostatic and fungistatic activity of acidified nitrite. It has also been used as a supplement in buffer for investigating the impact of nitrite on nosocomial pathogens including C. difficile spores. Adulterants such as “Klear” and “Whizzies” contain potassium nitrite which masks tests for abused drugs in urine. Hence potassium nitrite is used along with Klear and Urine Luck for preparing adulterated urine for drug-of-abuse testing.

Biochem/physiol Actions

Potassium nitrite is a strong oxidizing agent that enhances seeds to germinate without a pre-incubation period and without ethylene.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1488 5.1 / PGII
WGK Germany 
WGK 2
RTECS 
TT3750000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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