12654
亚硝酸钾
meets analytical specification of FCC, 97-100.5%
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关于此项目
经验公式（希尔记法）:
KNO2
化学文摘社编号:
分子量:
85.10
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-832-4
MDL number:
Assay:
97-100.5%
Form:
crystals
Solubility:
water: soluble 0.35 part
alcohol: slightly soluble
alcohol: slightly soluble
产品名称
亚硝酸钾, meets analytical specification of FCC, 97-100.5%
InChI key
BXNHTSHTPBPRFX-UHFFFAOYSA-M
InChI
1S/K.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1
SMILES string
[K+].[O-]N=O
assay
97-100.5%
form
crystals
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
Quality Level
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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.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Aquatic Acute 1 - Ox. Sol. 2
存储类别
5.1B - Oxidizing hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
此项目有
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
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
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)
R Weller et al.
Journal of the American Academy of Dermatology, 38(4), 559-563 (1998-04-29)
Nitric oxide is continually released from normal skin and has antimicrobial effects. An acidified nitrite cream releases supraphysiologic concentrations of nitric oxide and is fungicidal in vitro. The purpose of this study was to assess the efficacy of an acidified
Tessa L Broder et al.
The journal of physical chemistry. B, 111(27), 7778-7785 (2007-06-19)
The electrochemical oxidation of potassium nitrite has been studied in the room temperature ionic liquid (RTIL) [C2mim][NTf2] by cyclic voltammetry at platinum electrodes. A chemically irreversible oxidation peak was observed, and a solubility of 7.5(+/-0.5) mM and diffusion coefficient of
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