成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

返回ChemicalBook首頁>>

874208-84-1

基本信息

英文別名
m-PEG4-CH2-acid
m-PEG4-(CH2)3-acid
tert-butyl 2,5,8,11-tetraoxapentadecan-15-oate

物理化學性質

沸點366.2±32.0 °C(Predicted)
密度1.087±0.06 g/cm3(Predicted)
酸度系數(shù)(pKa)4.63±0.10(Predicted)
形態(tài)Liquid
顏色Colorless to light yellow

應用領域

用途一
m-PEG4-(CH2)3-acid is a PEG linker containing a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.
"" 相關產品信息
16024-60-5