potassium ethanolate

• ChemBase编号: 129062
• 分子式: C2H5KO
• 平均质量: 84.1588
• 单一同位素质量: 83.99774646
• SMILES: CC[O-].[K+]
• Canonical SMILES: [O-]CC.[K+]
• InChI: InChI=1S/C2H5O.K/c1-2-3;/h2H2,1H3;/q-1;+1
• InChIKey: RPDAUEIUDPHABB-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: potassium ethanolate
• IUPAC传统名: potassium ethoxide
• 别名: 乙醇钾 溶液; 乙醇钾; Potassium ethylate; Potassium ethoxide; Potassium ethoxide solution; Potassium ethoxide

登记号

• CAS号: 917-58-8
• EC号: 213-029-0
• MDL号: MFCD00054277
• PubChem SID: 24860126; 162223362; 24873793
• PubChem CID: 23670592
• 维基百科标题: Potassium_ethoxide

理论计算性质

• Acid pKa: 16.470615
• 质子受体: 1
• 质子供体: 0
• LogD (pH = 5.5): -0.1617691
• LogD (pH = 7.4): -0.1617691
• Log P: -0.1617691
• 摩尔折射率: 23.5602 cm^3
• 极化性: 4.748913 Å^3
• 极化表面积: 23.06 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: Reacts in water; Soluble in ethanol, ether
• 外观: Liquid; Powder; Yellow or Off-White Powder
• 熔点: 250°C; 250°C dec.
• 闪点: 21 °C; 69.8 °F
• 密度: 0.894 g/mL; 0.894 g/mL at 25 °C
• 折射率: n20/D 1.39

安全信息

• 保存注意事项: Air & Moisture Sensitive
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C); 易燃性(Flammable) (F)
• 联合国危险货物编号: 3206; 3274; UN3206; UN3274
• 德国WGK号: 1
• 联合国危险货物等级: 3; 4.2
• 联合国危险货物包装类别(PG): 2; II
• 危险公开号: 10-14-34; 11-14-34; 11-34
• 安全公开号: 16-26-36/37/39-45; 26-36/37/39-45; 8-16-26-43-45
• TSCA收录: 是
• GHS危险品标识: GHS02; GHS05
• GHS警示词: Danger
• 主要危害: W
• GHS危险声明: H225-H251-H314; H225-H314-H318; H228-H251-H314-H318; H251-H314
• GHS警示性声明: P210-P235 + P410-P280-P305 + P351 + P338-P310; P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A; P210-P280-P303+P361+P353-P305+P351+P338-P310; P235 + P410-P280-P305 + P351 + P338-P310
• 个人保护装置: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 3206 4.2/PG 2; UN 3274 3/PG 2
• 欧盟补充危害声明: Reacts violently with water.

产品相关信息

• 纯度: 95%; 99+% (metals basis), 15% w/v in ethanol
• 浓度: 24 wt. % in ethanol
• 线性分子式: KOC2H5

详细说明

Sigma Aldrich - 515051

包装
1 L in glass bottle
250 mL in glass bottle

Sigma Aldrich - 333379

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
包装
100, 500 g in glass bottle