酒石酸氢钾 (CAS No.6381-58-4)
- 中文别名
- 重酒石酸钾；酸性酒石酸钾；2,3-二羟基-(R-(R*,R*))-丁二酸单钾盐；塔塔粉
- 英文名称
- Potassium bitartrate
- 分子式
- KC4H5O6
- 所属类别
- 食品添加剂
- 物化性质
- 无色至白色斜方晶系结晶性粉末，无臭，有愉快的清凉酸味。相对密度约1.956。难溶于冷水（25℃时0.84g/100mL），溶于沸水（6.9g/100mL, 100℃），不溶于乙醇，易溶于稀无机酸。饱和水溶液pH约为3.66（17℃）。加热分解，无明确熔点。
- 技术参数
- 含量≥99% 外观为白色结晶性粉末
- 溶解性
- 25℃水中溶解度0.84g/100mL，100℃水中6.9g/100mL
English description（英文原文，共 1259 字符）
Product Name:Potassium bitartrate
English Name:Potassium bitartrate
CAS No.:868-14-4
Aliases:Potassium acid tartrate, Acid potassium tartrate, Potassium hydrogen tartrate, Cream of tartar, Monopotassium salt of (2R,3R)-tartaric acid
Molecular Formula:KC4H5O6
Physical Properties:White crystalline powder, odorless with a pleasant tart taste. Relative density approx. 1.956. Slightly soluble in cold water (0.84 g/100 mL at 25°C), soluble in boiling water (6.9 g/100 mL at 100°C), insoluble in ethanol, readily soluble in dilute inorganic acids. Saturated aqueous solution has a pH of about 3.66 at 17°C. Decomposes on heating without a defined melting point.
Uses:Mainly used as a food additive, acting as the acidic component of baking powder in baked goods, for stabilizing egg whites, preventing sugar crystallization, and pH adjustment. In the pharmaceutical industry, it is used as a buffer and reducing agent, and also in wine clarification. Additionally, it is used in household cleaning pastes and as an ingredient in colored modeling clay.
Technical Specifications:
Assay ≥99%
White crystalline powder
Relative density: 1.956 (20°C)
Solubility: 0.84 g/100 mL water at 25°C; 6.9 g/100 mL at 100°C
Saturated aqueous solution pH: 3.66 (17°C)
English Name:Potassium bitartrate
CAS No.:868-14-4
Aliases:Potassium acid tartrate, Acid potassium tartrate, Potassium hydrogen tartrate, Cream of tartar, Monopotassium salt of (2R,3R)-tartaric acid
Molecular Formula:KC4H5O6
Physical Properties:White crystalline powder, odorless with a pleasant tart taste. Relative density approx. 1.956. Slightly soluble in cold water (0.84 g/100 mL at 25°C), soluble in boiling water (6.9 g/100 mL at 100°C), insoluble in ethanol, readily soluble in dilute inorganic acids. Saturated aqueous solution has a pH of about 3.66 at 17°C. Decomposes on heating without a defined melting point.
Uses:Mainly used as a food additive, acting as the acidic component of baking powder in baked goods, for stabilizing egg whites, preventing sugar crystallization, and pH adjustment. In the pharmaceutical industry, it is used as a buffer and reducing agent, and also in wine clarification. Additionally, it is used in household cleaning pastes and as an ingredient in colored modeling clay.
Technical Specifications:
Assay ≥99%
White crystalline powder
Relative density: 1.956 (20°C)
Solubility: 0.84 g/100 mL water at 25°C; 6.9 g/100 mL at 100°C
Saturated aqueous solution pH: 3.66 (17°C)
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常见问题
- 酒石酸氢钾的 CAS 号是多少？
- 酒石酸氢钾的 CAS 号是 6381-58-4。
- 酒石酸氢钾的分子式和分子量是什么？
- 酒石酸氢钾的分子式为 KC4H5O6。
- 酒石酸氢钾的英文名称是什么？
- 酒石酸氢钾的英文名称为 Potassium bitartrate。
- 酒石酸氢钾还有哪些别名？
- 酒石酸氢钾又称 重酒石酸钾、酸性酒石酸钾、2,3-二羟基-(R-(R*,R*))-丁二酸单钾盐、塔塔粉。
- 酒石酸氢钾有哪些供应商和生产厂家？
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