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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

Assay

97-100.5%

Form

crystals

Qualität

meets analytical specification of FCC

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

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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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
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)
H P Til et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 35(3-4), 349-355 (1997-03-01)
In a previous subchronic oral toxicity study with potassium nitrite, hypertrophy of the adrenal zona glomerulosa was observed for all nitrite levels examined including the lowest level of 100 mg/litre. This present study was carried out, therefore, to establish a
Dorea I Reeser et al.
The journal of physical chemistry. A, 113(30), 8591-8595 (2009-09-02)
Glancing angle laser-induced fluorescence was used to follow the kinetics of chlorophyll loss at the air-salt water interface under the influence of visible radiation. Aqueous solutions of NaCl, NaBr, NaI, KNO(3), and NaNO(2) in a range of concentrations up to
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