207810

氰化钾

ACS reagent, ≥96.0%

• 线性分子式: KCN
• CAS号: 151-50-8
• 分子量: 65.12
• Beilstein: 3593645
• EC號碼: 205-792-3
• MDL號碼: MFCD00011397
• 分類程式碼代碼: 12352302
• PubChem物質ID: 329752024
• NACRES: NA.21

属性

• 等級: ACS reagent
• 化驗: ≥96.0%
• 形狀: granular
• pH值: 11.5 (20 °C, 20 g/L)
• mp: 634 °C (lit.)
• 溶解度: water: soluble(lit.)
• 負離子痕跡: S^2-: ≤0.003%; SCN^-: passes test; chloride (Cl^-): ≤0.5%; phosphate (PO₄^3-): ≤0.005%; sulfate (SO₄^2-): ≤0.04%
• 正離子痕跡: Fe: ≤0.03%; Na: ≤0.5%; Pb: ≤2 ppm
• SMILES 字串: [K]C#N
• InChI: 1S/CN.K/c1-2;
• InChI 密鑰: YUZRZFQHUCKACF-UHFFFAOYSA-N

说明

一般說明

Potassium cyanide is a colorless hygroscopic compound. Its crystals exhibit cubic crystal system. It can be prepared by reacting hydrogen cyanide with potassium hydroxide. It participates in benzoin condensation reaction.

應用

Potassium cyanide may be employed in the following studies:

• As a reducing agent in the colorimetric determination of amino acids.
• Preparation of ferrocylacetonitrile, via reaction with methiodide of N,N-dimethylaminomethylferrocene.
• Synthesis of O-acetylcyanohydrins.
• Cyanation of aldimines via asymmetric Strecker-type reactions in the presence of chiral phase-transfer catalysts to form α-amino nitriles.
• Metal-catalyzed addition of cyanide to 1,2-epoxides to form β-hydroxy nitriles.

安全信息

• 象形圖: GHS06,GHS08,GHS05,GHS09
• 訊號詞: Danger
• 危險聲明: H290,H300 + H310 + H330,H372,H410
• 防範說明: P262 - P273 - P280 - P302 + P352 + P310 - P304 + P340 + P310 - P314
• 危險分類: Acute Tox. 1 Oral - Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Met. Corr. 1 - STOT RE 1
• 標靶器官: Thyroid
• 安全危害: EUH032
• 儲存類別代碼: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable