司盘20为山梨醇酐十二酸酯，琥珀色油状液体，能与有机溶剂和油类混溶， 在水中成半乳状溶液。 司盘20可由山梨醇酐与月桂酸反应而得，用作气相色谱固定液，担体的减尾剂、乳化剂、润湿剂。 溶解性 可分散于热水和冷水中 (OT-42)。 准确称取试样约25g，放人一500ml圆底烧瓶，加乙醇250ml和氢氧化钾7.5g，混合。 装上冷凝器，加热回流1～2h。 移人一800ml烧杯，用100ml热水淋洗烧瓶，将洗得液并入烧杯。 于蒸汽浴上加热至乙醇沸腾，不时加水以补足所失醇量，一直 …

Span 20 is a biodegradable surfactant based on a natural fatty acid (lauric acid) and sugar alcohol sorbitol. This sorbitan ester is highly effective at forming oil in water emulsions, particularly when used with its ethoxylated derivative, Tween 20.

We report the first successful application of a novel IL-assisted non-aqueous microemulsion stabilized by a blend of two nontoxic surfactants, polyoxyethylene sorbitan monooleate (Tween-80), and sorbitan laurate (Span-20) for transdermal delivery of acyclovir, which is insoluble or sparingly soluble in

2025年1月27日 · Span 20 (CAS 1338-39-2) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.

Span (R) 20 | C18H34O6 | CID 16218599 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

SPAN #20 為一款優質油溶性 W/O 型乳化劑，HLB 值為 8.6，外觀為黃棕色油狀液體，具備 卓越的潤滑、乳化及抑泡功能 。 其主要成分為 山梨糖醇單月桂酸脂 (Sorbitan Laurate)，溫和不刺激，適用於 化妝品乳液、卸妝油 等配方中，提升產品穩定性與肌膚親和力 💖。

Span 20已用于评估伊曲康唑的增溶性和口服生物利用度的研究。 [2] 其还可用于研究水包油乳液中不饱和脂质的氧化。 [1] 脂肪酸组成：月桂酸（C12：0）≥44％；平衡主要是肉豆蔻酸（C14：0）、棕榈酸（C16：0）和亚麻酸（C18：3）酸。 Span is a registered trademark of Croda International PLC. 输入产品批号来搜索 分析证书 (COA) 。 批号可以在产品标签上"批“ （Lot或Batch）字后找到。 已有该产品？ 在文件库中查找您最近购买产品的文档。

Span® 20，非离子表面活性剂 Span® 20 for synthesis. CAS 1338-39-2, molar mass 346.47 g/mol. - Find MSDS or SDS, a COA, data sheets and more information.

Span-20 (Sorbitan Monolaurate) is an amber to brown oily liquid. Non-toxic and odorless. Span-20 is slightly soluble in isopropanol, tetracarp, xylene, cottonseed oil, and mineral oil, slightly …

Self-microemulsifying drug delivery system and nanoemulsion for enhancing aqueous miscibility of Alpinia galanga oil. Alpinia galanga oil (AGO) possesses various activities but low aqueous …