Potassium Stearate 硬脂酸钾
CAS 593-29-3 MFCD00072385
化学结构图
SMILES: CCCCCCCCCCCCCCCCCC(=O)[O-].[K+]
化学属性
| Mol. Formula | C18H35KO2 |
|---|---|
| Mol. Weight | 323 |
| Density | 1.422 |
| Solubility | 不溶 |
| Appearance | 白色至黄白色蜡状固体。呈脂肪气味。 |
| Melting Point | 353 |
| Stability | 对湿度敏感 |
别名和识别编码
| Chemical Name | Potassium Stearate |
|---|---|
| Synonym | E 470a KALIUMSTEARAT Kaliumoctadecanoat Kaliumstearat OCTADECANOIC ACID, POTASSIUM SALT OCTADECONOIC ACID, POTASSIUM SALT Octadecanoic acid, potassium salt Octadeconoic acid potassium salt; Stearic acid potassium salt POTASSIUM OCTADECANOATE POTASSIUM STEARATE Potassium n-octadecanoate Potassium stearate Potassium stearate, pure Potassium steatate R 388 R-388 R-factor R388 STEARIC ACID, POTASSIUM SALT Steadan 300 Stearates potassium stearate potassiumn-octadecanoate potassiumstearate,pure steadan300 stearatedepotassium 十八酸钾 十八酸钾/硬脂酸钾 十八酸钾盐 硬脂酸鉀 {Chemi |
| CAS Number | 593-29-3 |
| EC Number | 209-786-1 |
| Beilstein Registry Number | 2384789 |
| MDL Number | MFCD00072385 |
| Chemical Name Translation | 硬脂酸钾 |
| PubChem Substance ID | 23673840 |
| InChI | InChI=1S/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1 |
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资金保障
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品牌质保精细包装
现货库存
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分类
- {uni_hamburg} no charge; carboxylate; 2fragments; ionic
产品应用
- 阴离子型表面活性剂。广泛用于食品添加剂和工业上，主要作稳定剂、增稠剂、乳化剂、蓬松剂、抗结剂、脱模剂、塑料助剂等。
相关文献及参考
- Short: III/5b Title: Structure Data of Organic Crystals: C 14 ... C 120 Author: Schudt, E.; Weitz, G. Editor: Hellwege, K.-H.; Hellwege, A.M. Source: Landolt-Börnstein, New Series Volume: III/5b Year: 1971 ISBN: 3-540-05177-5 ISBN: 978-3-540-05177-0 Internet Resource: DOI:10.1007/b19970 RefComment: XXI, 736 pages, and VII, 890 pages. Hardcover Abstract: Volume III/5 offers a compitation as complete as possible of the space groups and lattice con-stants of all crystals which have been studied by means of X-rays, neutron and electron diffraction.
- Short: IV/1a Title: Densities of Liquid Systems: Nonaqueous Systems and Ternary Aqueous Systems Author: Lacmann, R.; Synowietz, C. Editor: Schäfer, Kl. Source: Landolt-Börnstein, New Series Volume: IV/1a Year: 1974 ISBN: 3-540-06269-6 ISBN: 978-3-540-06269-1 Internet Resource: DOI:10.1007/b20003 RefComment: X, 716 pages. Hardcover Abstract: Volume IV/1 contains information on the densities of liquid systems. It may be considered as a supplement to volume II/1 of the 6th Edition, which contains only a few data on nonaqueous systems. Data are not listed for all systems but primarily for those of greater interest where data for a larger range of concentrations were available.
- Short: LC Title: LiqCryst 4.6 - Database of Liquid Crystals Author: Vill, V. Year: 2005 Keyword: Flüssigkristalle; LCD; Phasenumwandlung Internet Resource: http://liqcryst.chemie.uni-hamburg.de/
- Short: EINECS2 Title: Corrigendum to the Commission communication pursuant to Article 13 of Council Directive 67/548/EEC of 27 June 1967 on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances, as amended by Directive 79/831/EEC - Einecs (European inventory of existing commercial chemical substances) Source: Official Journal of the European Communities Volume: C 54 (01.03.2002) Page: 13-27 Year: 2002 Interne
安全信息
GHS Symbol
- S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触；
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
- P262 Do not get in eyes, on skin, or on clothing. 不要接触眼睛，皮肤或衣服。
其他信息
- 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） 硬脂酸、硬脂酸钙、硬脂酸镁、硬脂酸钠、硬脂酸钾 胶基糖果 胶基糖果中基础剂物质 按生产需要适量使用（有特别规定的除外）
- 方法二:由硬脂酸与氢氧化钾在高温下反应，然后冷却即得产品。
- 毒性:可安全用于食品(FDA，§181.29，2000)。 ADI不作特殊规定(FAO/WHO，2001)。
- 硬脂酸钾价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 30156427 硬脂酸钾;十八酸钾 250g 33元 2010/06/21 378782500 硬脂酸钾 Potassium stearate 95% 250 GR 490元 2010/06/21 378780500 硬脂酸钾 Potassium stearate 95% 50 GR 339元
- 用途三:作乳化剂，可用于糕点，最大使用量为0.18g/kg。
- 用途一:用作表面活性剂和纤维柔软剂
- MOL 文件:593-29-3.mol
- Sigma Aldrich:593-29-3(sigmaaldrich)
- 所属类别二:食品添加剂: 小麦粉、淀粉改质剂: 膨松剂(疏松剂)
- 上游原料:氢氧化钾 --> 硬脂酸
- 用途二:疏松剂；发泡剂；抗结剂；乳化剂；稳定剂。
- 使用限量:GB 2760-96：糕点0.18g/kg；胶姆糖胶基GMP为限。
- 硬脂酸钾手感滑腻，无砂感，有脂肪气味，可溶于热水或醇，缓溶于冷水，水溶液对石蕊和酚酞均呈强碱性，但乙醇溶液对酚酞仅呈微碱性。溶液因水解呈碱性。
- Acros Organics:Potassium stearate, 95%(593-29-3)
- 参考质量标准二:企业标准 含量/% 78.88~89.84 重金属(以Pb计)/% ≤0.001 砷(以As计)/% ≤0.0003
- 参考质量标准一:中国企标 含量 78.88%～89.84% 砷(GT-3) ≤0.0003% 重金属(GTrl6 ≤0. 01%
- 方法一:由硬脂酸和氢氧化钾高温反应后冷却而成。
- 用途四:阴离子型表面活性剂。广泛用于食品添加剂和工业上，主要作稳定剂、增稠剂、乳化剂、蓬松剂、抗结剂、脱模剂、塑料助剂等。
- 所属类别一:食品添加剂: 乳化剂
