204102
Potassium iodide
≥99.99% trace metals basis
Synonym(s):
Knollide, Potassium monoiodide
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All Photos(3)
About This Item
Linear Formula:
KI
CAS Number:
Molecular Weight:
166.00
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
vapor pressure
1 mmHg ( 745 °C)
Quality Level
assay
≥99.99% trace metals basis
form
crystals and lumps
impurities
≤100.0 ppm Trace Metal Analysis
mp
681 °C (lit.)
SMILES string
[K+].[I-]
InChI
1S/HI.K/h1H;/q;+1/p-1
InChI key
NLKNQRATVPKPDG-UHFFFAOYSA-M
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General description
Potassium iodide is widely used as an additive to fabricate perovskite solar cells and light-emitting diodes, to enhance their stability and performance. The excess I− from KI fill in the I−vacancies and suppress potential pathways for ion migration. The K+ cations can bond with undercoordinated halides or passivate negatively charged trap states at the grain surface, which enhances the performance of the device. It can also be used as a catalyst in various reactions such as the synthesis of biodiesel and cyclic carbonates with five-membered rings.
Application
- Optimal concentration of potassium iodide to reduce the black staining of silver diamine fluoride: This research identifies the optimal concentration of potassium iodide to minimize staining from silver diamine fluoride in dental applications, relevant for material science focused on dental materials (Detsomboonrat et al., 2022).
- Optimized assay for hydrogen peroxide determination in plant tissue using potassium iodide: This article discusses an optimized method for determining hydrogen peroxide levels in plant tissues using potassium iodide, useful for academic chemists studying plant physiology or oxidative stress (Junglee et al., 2014).
- Potassium iodide as a low-cost cathode material for efficient potassium-ion storage: This research investigates the use of potassium iodide as a cost-effective cathode material for potassium-ion batteries, highlighting its potential in energy storage applications (Alanazi et al., 2020).
signalword
Danger
hcodes
Hazard Classifications
STOT RE 1 Oral
target_organs
Thyroid
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Certificates of Analysis (COA)
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S Maria O'Kane et al.
Nutrients, 10(3) (2018-03-02)
Cow's milk is the most important dietary source of iodine in the UK and Ireland, and also contributes to dietary selenium intakes. The aim of this study was to investigate the effect of season, milk fat class (whole; semi-skimmed; skimmed)
Pietro Santulli et al.
Human reproduction (Oxford, England), 30(1), 49-60 (2014-11-08)
Are protein oxidative stress markers [thiols, advanced oxidation protein products (AOPP), protein carbonyls and nitrates/nitrites] in perioperative peritoneal fluid higher in women with histologically proven endometriosis when compared with endometriosis-free controls? Protein oxidative stress markers are significantly increased in peritoneal
S C Clement et al.
Pediatric blood & cancer, 60(11), 1833-1838 (2013-07-09)
Thyroid dysfunction has been reported in up to 52% of patients 1.4 years after treatment with (131) I-Metaiodobenzylguanidine (MIBG) in children with neuroblastoma (NBL), despite the use of potassium-iodide (KI). Our aim was to investigate if the incidence and severity
Rahul Singh et al.
Carbohydrate polymers, 91(2), 682-685 (2012-11-06)
We report a new biopolymer electrolyte for dye sensitized solar cell application. To develop polymer electrolyte, potassium iodide have been added in agarose biopolymer matrix and characterized using various techniques like complex impedance spectroscopy, Infrared spectroscopy (IR), X-ray diffraction (XRD)
Zhi-Qi Lao et al.
Organic & biomolecular chemistry, 10(39), 7869-7871 (2012-09-06)
We have developed a new KI-catalyzed method for the imidation of an sp(3) C-H bond adjacent to an amide nitrogen atom by using TBHP (tert-butyl hydroperoxide, 70% aqueous solution) as the oxidant. This novel procedure tolerated air and moisture and
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