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
Quality Segment
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
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
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.
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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