221945
碘化钾
ACS reagent, ≥99.0%
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关于此项目
线性分子式:
KI
化学文摘社编号:
分子量:
166.00
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-659-4
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
crystals
Solubility:
water: complete (ca.1,430 g/l at 25 °C (77 °F))
grade
ACS reagent
Quality Segment
vapor pressure
1 mmHg ( 745 °C)
assay
≥99.0%
form
crystals
impurities
≤0.001% N compounds, ≤0.005% insolubles
loss
≤0.2% loss on drying
pH
6.0-9.2 (25 °C, 5%)
mp
681 °C (lit.)
solubility
water: complete (ca.1,430 g/l at 25 °C (77 °F))
anion traces
chloride, bromide (as Cl)-: ≤0.01%, iodate (IO3-): ≤3 ppm, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.005%
cation traces
Ba: ≤0.002%, Ca: ≤0.002%, Fe: ≤3 ppm, Mg: ≤0.001%, Na: ≤0.005%, heavy metals (as Pb): ≤5 ppm
SMILES string
[K+].[I-]
InChI
1S/HI.K/h1H;/q;+1/p-1
InChI key
NLKNQRATVPKPDG-UHFFFAOYSA-M
General description
碘化钾是一种水溶性无机盐，可通过氢碘酸与碳酸氢钾反应来制备。
Application
碘化钾可用作以下过程的催化剂：以 叔丁基过氧化氢作为氧化剂时，芳族伯胺转化成相应的硝基化合物。在镍催化剂存在下，芳基卤转化为芳基碘。在8-冠-6和 叔丁基过氧化氢存在下，通过活化烯烃和磺酰肼在水中反应而制备磺化羟吲哚。
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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signalword
Danger
flash_point_f
Not applicable
flash_point_c
Not applicable
hcodes
Hazard Classifications
Eye Irrit. 2 - Repr. 1B - STOT RE 2 Oral
target_organs
Thyroid,Liver
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects