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03124

Sigma-Aldrich

Yoduro de potasio

puriss., meets analytical specification of Ph. Eur. BP, USP, 99.0-100.5% (calc. to the dried substance)

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About This Item

Fórmula lineal:
KI
Número de CAS:
7681-11-0
Peso molecular:
166.00
EC Number:
231-659-4
MDL number:
MFCD00011405
UNSPSC Code:
12352302
PubChem Substance ID:
329747559
NACRES:
NA.21

vapor pressure

1 mmHg ( 745 °C)

grade

puriss.

assay

99.0-100.5% (calc. to the dried substance)

form

solid

quality

meets analytical specification of Ph. Eur. BP, USP

impurities

ammonium, in accordance
 organic volatile impurities, complies (GC)
 residual solvents, in accordance
≤0.001% heavy metals (as Pb)
≤0.01% thiosulfate (S2O3)
≤0.02% free alkali (as KOH)

loss

≤0.5% loss on drying, 105 °C

pH

~6.9 (20 °C, 50 g/L)

mp

681 °C (lit.)

anion traces

iodate (IO3-): in accordance
nitrate (NO3-): in accordance
nitrite (NO2-): in accordance
sulfate (SO42-): ≤100 mg/kg

cation traces

Ba:, in accordance
Fe: ≤10 mg/kg

suitability

complies for appearance of solution

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 (KI) is an inorganic potassium salt. Alumina loaded with potassium iodide has been employed as catalyst for the transesterification of soybean oil with methanol. Influence of KI on the in vitro generation of polymorphonudear leukocyte (PMN)-derived oxygen intermediates has been investigated.

Application

Potassium iodide (KI) was used in the preparation of standard iodide stock solution for the determination of iodide by size exclusion chromatography. It may be used in the spectrophotometric determination of advanced oxidation protein products (AOPP).

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H372

Hazard Classifications

STOT RE 1 Oral

target_organs

Thyroid

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 3

Certificados de análisis (COA)

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Y Miyachi et al.
The British journal of dermatology, 107(2), 209-214 (1982-08-01)
The effects of potassium iodide, colchicine and dapsone on the in vitro generation of polymorphonuclear leukocyte (PMN)-derived oxygen intermediates were investigated. These three drugs have beneficial effects on those conditions in which PMNs play an important pathogenetic role. Three oxygen
H B Li et al.
Journal of chromatography. A, 918(2), 335-339 (2001-06-16)
A novel method for the determination of iodide by size exclusion chromatography was established. The method was simple and highly sensitive with good precision. Iodide was converted to iodine, then sequestered with starch, and separated from the matrix using a
V Witko-Sarsat et al.
Journal of immunology (Baltimore, Md. : 1950), 161(5), 2524-2532 (1998-09-02)
We previously demonstrated the presence of advanced oxidation protein products (AOPP), a novel marker of oxidative stress in the plasma of uremic patients receiving maintenance dialysis. The present study in a cohort of 162 uremic patients showed that plasma concentrations
Alumina-supported potassium iodide as a heterogeneous catalyst for biodiesel production from soybean oil.
Xie W and Li H.
J. Mol. Catal. A: Chem., 255(1), 1-9 (2006)
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
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