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Merck

30315

Sigma-Aldrich

碘化钾

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

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About This Item

线性分子式:
KI
CAS号:
分子量:
166.00
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.21

agency

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

蒸汽壓力

1 mmHg ( 745 °C)

描述

REDUCING SUBSTANCES complying

等級

puriss. p.a.

化驗

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

形狀

solid

雜質

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

損耗

≤0.5% loss on drying, 105 °C

pH值

6.0-8.0 (20 °C, 5%)

mp

681 °C (lit.)

負離子痕跡

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

正離子痕跡

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

SMILES 字串

[K+].[I-]

InChI

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

InChI 密鑰

NLKNQRATVPKPDG-UHFFFAOYSA-M

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一般說明

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。

應用

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。

象形圖

Health hazard

訊號詞

Danger

危險聲明

危險分類

STOT RE 1 Oral

標靶器官

Thyroid

儲存類別代碼

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

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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