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Merck
CN

30315

碘化钾

puriss. p.a., reag. ISO, reag. Ph. Eur., ≥99.0%

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线性分子式:
KI
化学文摘社编号:
7681-11-0
分子量:
166.00
NACRES:
NA.21
PubChem Substance ID:
329753460
UNSPSC Code:
12352302
EC Number:
231-659-4
MDL number:
MFCD00011405
Assay:
≥99.0%
99.0-100.5% (calc. to the dried substance)
Form:
solid
Solubility:
water: complete (ca.1,430 g/l at 25 °C (77 °F))

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产品名称

碘化钾, puriss. p.a., reag. ISO, reag. Ph. Eur., ≥99.0%

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

InChI

1S/HI.K/h1H;/q;+1/p-1

SMILES string

[K+].[I-]

agency

USP/NF
reag. ISO
reag. Ph. Eur.

vapor pressure

1 mmHg ( 745 °C)

description

REDUCING SUBSTANCES complying

grade

puriss. p.a.

assay

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

form

solid

impurities

≤0.0005% heavy metals (as Pb)
≤0.001% total nitrogen (N)
≤0.005% thiosulfate (S2O3)
≤0.02% free alkali (as KOH)

loss

≤0.5% loss on drying, 105 °C

pH

6.0-8.0 (20 °C, 5%)

mp

681 °C (lit.)

solubility

water: complete (ca.1,430 g/l at 25 °C (77 °F))

anion traces

bromide, chloride (as Cl-): ≤100 mg/kg
iodate (IO3-): ≤2 mg/kg
phosphate (PO43-): ≤10 mg/kg
sulfate (SO42-): ≤10 mg/kg

cation traces

As: ≤0.1 mg/kg
Ba: ≤20 mg/kg
Ca: ≤10 mg/kg
Fe: ≤3 mg/kg
Mg: ≤10 mg/kg
Na: ≤300 mg/kg

Quality Level

200

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相关类别

Application

碘化钾可用作：
  • 碘源，以叔丁基过氧化氢（TBHP）为氧化剂，从炔和酚合成 1-碘炔和碘酚的。
  • 催化剂，以磺酰肼为磺酰前体，水为溶剂，通过活化烯烃芳基磺酰化合成磺化氧吲哚。
  • 氧化降解抑制剂，以减少单乙醇胺（MEA）的氧化降解。

General description

碘化钾（KI）是一种化合物，可作为亲核位移反应中的碘离子源。在醛类化合物的电化学氧化过程中，它起介质的作用。在酸环境下，它可以裂解一些醚。KI 在氧化剂环境下可将芳香化合物和有机铊化合物碘化。此外，它可以与磺酰氯反应形成对称的硫磺酸 S-酯。

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H372

Hazard Classifications

STOT RE 1 Oral

target_organs

Thyroid

存储类别

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCN7664
BCCN7663
BCCN6779
BCCN6781
BCCN6780

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Y Miyachi et al.
The British journal of dermatology, 107(2), 209-214 (1982-08-01)
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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
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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
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