221295
硝酸钾
ACS reagent, ≥99.0%
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关于此项目
经验公式（希尔记法）:
KNO3
化学文摘社编号:
分子量:
101.10
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-818-8
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
crystals
产品名称
硝酸钾, ACS reagent, ≥99.0%
InChI key
FGIUAXJPYTZDNR-UHFFFAOYSA-N
InChI
1S/K.NO3/c;2-1(3)4/q+1;-1
SMILES string
[K+].[O-][N+]([O-])=O
grade
ACS reagent
assay
≥99.0%
form
crystals
impurities
≤0.005% insolubles
pH
4.5-8.5 (25 °C, 5%)
mp
334 °C (lit.)
anion traces
chloride (Cl-): ≤0.002%
iodate (IO3-): ≤5 ppm
nitrite (NO2-): ≤0.001
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.003%
cation traces
Ca: ≤0.005%
Fe: ≤3 ppm
Mg: ≤0.002%
Na: ≤0.005%
heavy metals: ≤5 ppm (by ICP-OES)
Quality Level
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Application
硝酸钾可被用于通过使用N-溴代琥珀酰亚胺对异喹啉进行溴化来合成5-溴-8-硝基异喹啉。
General description
硝酸钾是一种常用作氮肥的水溶性无机盐。 它在牙膏中可作为牙齿过敏的脱敏剂。 向生长培养基中添加KNO3已显示出可促进盐胁迫的甜瓜植物的生长。
signalword
Warning
hcodes
Hazard Classifications
Ox. Sol. 3
存储类别
5.1B - Oxidizing hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
易制爆化学品
危险化学品
此项目有
Improved salt tolerance of melon (Cucumis melo L.) by the addition of proline and potassium nitrate.
Kaya C, et al.
Environmental and Experimental Botany, 60(3), 397-403 (2007)
Response of vesicular-arbuscular endomycorrhizal sweetgum seedlings to three nitrogen fertilizers.
Brown RW, et al.
Forest Science, 27(2), 413-420 (1981)
Synthesis of 5-Bromoisoquinoline and 5-Bromo-8-nitroisoquinoline.
Organic Syntheses, 98-104 (2005)
Potassium nitrate toothpaste for dentine hypersensitivity
Poulsen S, et al.
Cochrane database of systematic reviews (Online), 2, D001476-D001476 (2001)
A superior desensitizer--potassium nitrate.
M Hodosh
Journal of the American Dental Association (1939), 88(4), 831-832 (1974-04-01)
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