30315-M

ヨウ化カリウム

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

• 化学式: KI
• CAS番号: 7681-11-0
• 分子量: 166.00
• EC Number: 231-659-4
• MDL番号: MFCD00011405
• UNSPSCコード: 12352302
• PubChem Substance ID: 329753460
• NACRES: NA.21

特性

• 認証: reag. ISO; reag. Ph. Eur.
• 品質水準: 100
• 蒸気圧: 1 mmHg ( 745 °C)
• グレード: puriss. p.a.
• アッセイ: ≥99.0%; 99.0-100.5% (calc. to the dried substance)
• フォーム: crystalline
• 不純物: Reducing substances, complies; ≤0.0005% heavy metals (as Pb); ≤0.005% thiosulfate (S₂O₃); ≤0.02% free alkali (as KOH); ≤10 ppm total nitrogen (N)
• 損失: ≤0.2% loss on drying, 105 °C
• pH: 6-8 (20 °C, 5%)
• mp: 681 °C (lit.)
• 微量陰イオン: bromide, chloride (as Cl^-): ≤100 ppm; iodate (IO₃^-): ≤2 ppm; phosphate (PO₄^3-): ≤10 ppm; sulfate (SO₄^2-): ≤10 ppm
• 微量陽イオン: As: ≤0.00001%; Ba: ≤0.002%; Ca: ≤0.001%; Fe: ≤0.0003%; Mg: ≤0.001%; Na: ≤0.03%
• SMILES記法: [K+].[I-]
• InChI: 1S/HI.K/h1H;/q;+1/p-1
• InChI Key: NLKNQRATVPKPDG-UHFFFAOYSA-M

詳細

詳細

Potassium iodide (KI) is an inorganic potassium salt. It is used as an iodide ion source for nucleophilic displacement reactions and acts as a mediator during the electrochemical oxidations of aldehydes. In presence of an acid, KI cleaves some ethers. KI reacts with sulfonyl chlorides to produce symmetrical thiosulfonic S-esters. In the presence of oxidizing agents, KI iodinates aromatic compounds and organothallium compounds.

アプリケーション

Potassium iodide is used:

• As a solid base catalyst loaded with alumina for transesterification of soybean oil with methanol.
• As a iodide source in the solvothermal synthesis of BiOI (bismuth oxyiodide) microspheres using ethylene glycol solvent.
• In the synthesis of RGO (reduced graphene oxide) from GO (graphite oxide) in presence of HCl–KI mixture.

安全性情報

• ピクトグラム: GHS08
• シグナルワード: Danger
• 危険有害性情報: H372
• 注意書き: P260 - P264 - P270 - P314 - P501
• 危険有害性の分類: STOT RE 1 Oral
• ターゲットの組織: Thyroid
• 保管分類コード: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 3
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable