Potassium bicarbonate 碳酸氢钾
CAS 298-14-6 MFCD00011402
化学结构图
SMILES: O=C([O-])O.[K+]
化学属性
| Mol. Formula | CHKO3 |
|---|---|
| Mol. Weight | 100.12 |
| Density | 2.17 |
| TSCA | Yes |
| Solubility | Slightly soluble in water. Practically insoluble in alcohol |
| Refractive index | 1.482 |
| Stability | 对湿度敏感 |
| Melting Point | 292 °C |
| Appearance | fine crystals |
别名和识别编码
| Chemical Name | Potassium bicarbonate |
|---|---|
| Synonym | Potassium hydrogen carbonate {LY} Potassium hydrogen carbonate {} {LY} Potassium hydrogen carbonate {} {} {LY} Potassium hydrogen carbonate {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Potassium hydrogen carbonate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Potassium hydroge |
| CAS Number | 298-14-6 |
| EC Number | 206-059-0 |
| Beilstein Registry Number | 4535309 |
| MDL Number | MFCD00011402 |
| PubChem Substance ID | 516893 |
| Merck Number | 14,7609 |
| Chemical Name Translation | 碳酸氢钾 |
| LabNetwork Molecule ID | LN00193734 |
| InChI | InChI=1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1 |
| Canonical SMILES | [K].O=C(O)O |
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分类
- {SNA} Analytical Standards, Analytical/Chromatography, Chromatography, Pharmaceutical Standards, Pharmacopeia Standards,
- {SA} Cell Culture, Chemical Synthesis, Companion Products and Reagents, Inorganic Salts, Insect Platform, Potassium, Serum-fre
- {SNA} Chemical Synthesis, Inorganic Salts, Potassium, Synthetic Reagents
- {SNA} Chemical Synthesis, Essential Chemicals, Inorganic Salts, Potassium, Potassium Salts, Research Essentials, Salts, Synthetic Reagents
- {SNA} Alphabetical, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers
- {SNA} A
产品应用
- 分析试剂。焙粉。发泡盐。
相关文献及参考
- Short: III/20a
- Short: III/20b
- Merck: 14,7609
- Short: III/20c
安全信息
Signal word
Warning
GHS Symbol
WGK Germany1
Safety Statements
Risk Statements
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Precautionary statements
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Storage condition
Store at room temperature, keep dry and cool
{LY} Store at room temperature, keep dry and cool
{} {LY} Store at room temperature, keep dry and cool
{} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool
{} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store
其他信息
- 碳酸氢钾价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 20030218 碳酸氢钾 500g 18元 2010/06/21 217590051 碳酸氢钾 Potassium hydrogen carbonate 99.7+%, for analysis 5 KG 2621元 2010/06/21 217590010 碳酸氢钾 Potassium hydrogen carbonate 99.7+%, for analysis 1 KG 727元
- 含量分析:精确称取试样约4g，溶于100ml水中。加甲基红试液(TS-149)2滴，在不断搅拌下用1mol/L盐酸缓慢滴定至溶液变为浅粉红色。将溶液加热至沸后冷却，继续滴定至沸腾后粉红色不再消失为止。每mL1mol/L盐酸相当于碳酸氢钾101mg。
- F:3
- 下游产品:碳酸钾 --> 2-羰基-4甲氧基-7-氮杂吲哚 --> 2-甲醇-4-甲氧基-7-氮杂吲哚 --> N-叔丁氧羰基-N'-(2-氯苄氧羰基)-L-赖氨酸 --> 特非那定 --> 5-苄氧基-4-氮杂吲哚-2-羧酸 --> 酒石酸钾钠 --> 3-甲基-7-氨基-8-羰基-5-硫杂-1-氮杂-双环[4.2.0]-2-辛烯-2-羧酸甲酯 --> 3-溴-2-(溴甲基)丙酸乙酯 --> 氟硼酸钾 --> 3-溴-2-溴甲基丙酸 --> 头孢匹胺 --> : 仑氨西林 仑氨西林 --> N-苯甲酰基-4-[二(2-氯乙基)氨基]苯丙氨酸 --> 氨曲南 --> 苯甲酸钾 --> 舒他西林碱 --> 西拉普利 --> 偏硫代硫酸钾 --> 柠檬酸钾 --> 聚右旋糖
- Alfa Aesar:碳酸氢钾,ACS,99.7-100.5%(driedbasis) Potassium hydrogen carbonate, ACS, 99.7-100.5% (dried basis)(298-14-6)
- 有吸湿性。100℃分解。溶于2.8份水、2份50℃
- 食品添加剂最大允许使用量最大允许残留量标准:添加剂中文名称 允许使用该种添加剂的食品中文名称 添加剂功能 最大允许使用量（g/kg） 最大允许残留量（g/kg） 碳酸氢钾 食品 食品工业用加工助剂 / 一般应在制成最后成品之前出去，有规定食品中残留量的除外 碳酸氢钾 食品 酸度调节剂 按生产需要适量使用（有特别规定的除外） 碳酸氢钾 病人用特殊食品 酸度调节剂 按生产需要适量使用 碳酸氢钾 婴儿配方食品、较大婴儿和幼儿配方食品 酸度调节剂 按生产需要适量使用
- 毒性:ADI不作特殊规定(FAO/WHO，2001)。 GRAS(FDA，§184．1613，2000)。
- 用途二:常用作分析试剂
- 所属类别一:食品添加剂: 酸度调节剂(PH调节剂): 碱性剂
- 用途三:是
- 外观性质:无色、无臭、味咸、透明结晶或白色粉末。
- 常规方法:内层用聚乙烯塑料袋，再套纸袋包装，外用麻袋或塑料编织袋包装，每袋净重50kg。 贮存在通风、干燥的仓库中。 不宜在货棚或露天存放。应注意防潮。运输装卸时应防雨淋，保证干燥，防止包装损坏和污染。不可与酸类物品共贮混运。 失火时，可用水浇救，砂土和各种灭火器扑救。
- Acros Organics:碳酸氢钾 Potassium hydrogen carbonate, for analysis, 99.7+%(298-14-6)
- 所属类别二:无机化工产品: 无机盐: Cd硝酸盐
- MOL 文件:298-14-6.mol
- 水中溶解度(g/100ml):不同温度(℃)时每100毫升水中的溶解克数: 22.5g/0℃;27.4g/10℃;33.7g/20℃;39.9g/30℃;47.5g/40℃ 65.6g/60℃
- 方法一:碳化法原料碳酸钾可用三级品。也可以土碱为原料，其中含碳酸钾40%～60%、硫酸钾10%～15%、氯化钾3.5%，投料前需经煅烧除去有机物，借溶解度的不同除去硫酸钾及氯化钾，加石灰乳或碳酸镁经压滤可除去硅、铝、磷等杂质，滤液经蒸发，配制碳酸钾溶液，使总碱浓度为750～800 g/L(以碳酸
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