国产美女视频黄a视频免费|2019日韩中文字幕mv|国产91对白在线播放丿|精品影院|午夜少妇拍拍视频在线观看

Contact Us
Nanjing duly Biotechnology Co., Ltd.
地址:南京市浦口區創芯匯2棟503
郵編:210031
電話:025 84699415
傳真:025 84699415

Tween 85

CAS No.: 9005-70-3
Item No.: SAA0022-1
Store at: RT

English name:Tween 20;Polyoxyethylene sorbitan monolaurate

Other names: spit mix 20;  Polyethoxy lauric acid Qingliang tea alcohol; Polyoxyethylene dehydrated sorbitol laurate; Polyoxyethylene sorbitan laurate; Emulsifier T-20

CAS No.: 9005-64-5

Molecular formula: c18h34o6 · (C2H4O) n

Grade: CP

Hydroxyl value: 90 ~ 108kohmg/g

Acid value: ≤ 2.0kohmg/g

Saponification value: 40 ~ 50kohmg/g

Heavy metals: ≤ 0.001%

Moisture: ≤ 3.0%

Physicochemical properties: yellow oily liquid. Slightly fatty and bitter. Soluble in water, dilute acid, dilute alkali and most organic solvents, insoluble in vegetable oil and mineral oil. Viscosity is about 400mpa s。 Hydrophilic lipophilic value hlb16.7. Flash point: >149 ℃; Density: 1.106; Boiling point: 100 ℃; Refractive index: 1.4685-1.4715

Purpose: biochemical research. Nonionic surfactant. Separation and analysis of volatile oil, fatty acid esters, alcohols, ketones and halides with gas chromatography stationary liquid (maximum operating temperature 120 ℃). Water soluble emulsifier. Add solvent. Antistatic agents and fiber lubricants for textile industry

Save: RT


Copyright ?2021 南京杜萊生物技術有限公司 版權所有 Record No:蘇ICP備18062211號-1