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12654

Sigma-Aldrich

Kaliumnitrit

meets analytical specification of FCC, 97-100.5%

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About This Item

Empirische Formel (Hill-System):
KNO2
CAS-Nummer:
7758-09-0
Molekulargewicht:
85.10
EG-Nummer:
231-832-4
MDL-Nummer:
MFCD00011408
UNSPSC-Code:
12352302
PubChem Substanz-ID:
329749790
NACRES:
NA.21

Qualität

for analytical purposes
meets analytical specification of FCC

Assay

97-100.5%

Form

crystals

Verunreinigungen

≤0.001% heavy metals (as Pb)

mp (Schmelzpunkt)

350 °C (dec.) (lit.)

Löslichkeit

water: soluble 0.35 part
alcohol: slightly soluble

Anionenspuren

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤200 mg/kg

Kationenspuren

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

InChIKey

BXNHTSHTPBPRFX-UHFFFAOYSA-M

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Anwendung

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. Wirkung

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

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 3 Oral - Aquatic Acute 1 - Ox. Sol. 2

Lagerklassenschlüssel

5.1B - Oxidizing hazardous materials

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
BCCF5050
BCCB5947
BCBV5238
BCBS5577V

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Ethylene, Nitrate and Nitrite Interactions in the Promotion of Dark Germination of Common Purslane Seeds.
<BIG>G. H. Egley</BIG>
Annals of Botany, 53, 833-840 (1984)
Agam Rao et al.
Antimicrobial agents and chemotherapy, 50(11), 3901-3904 (2006-10-27)
Exposure to pH 1 or 2 buffers or acidic gastric contents resulted in the killing of vancomycin-resistant Enterococcus sp., Klebsiella pneumoniae, Staphylococcus aureus, and Candida glabrata but not Clostridium difficile spores. Nitrite enhanced killing under acidic conditions, but significant killing
R Weller et al.
Journal of applied microbiology, 90(4), 648-652 (2001-04-20)
Nitric oxide is generated from sweat nitrite in the acidic environment of the skin surface and is thought to contribute to protection against infection. This study examined the sensitivity of Trichophyton mentagrophytes, T. rubrum, Candida albicans, Streptococcus pyogenes, Staphylococcus aureus
C Spagnuolo et al.
Biochimica et biophysica acta, 911(1), 59-65 (1987-01-05)
The oxidation reaction of human oxyhemoglobin with nitrite is complex and is characterized by a lag period followed by an autocatalytic phase. On the basis of contradictory experimental results, in order to describe the time-course of the reaction, two different
Katharine A Sam et al.
The Journal of biological chemistry, 283(18), 12555-12563 (2008-03-04)
Cytochrome cd(1) is a respiratory nitrite reductase found in the periplasm of denitrifying bacteria. When fully reduced Paracoccus pantotrophus cytochrome cd(1) is mixed with nitrite in a stopped-flow apparatus in the absence of excess reductant, a kinetically stable complex of
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