|
|
醋酸酯化丁二酸氫酯化的纖維素-2-羥基丙基甲基醚 |
CAS No.: |
71138-97-1 |
分子式: |
C10H22O9 |
分子量: |
286.2763 |
備注: |
中文名稱醋酸酯化丁二酸氫酯化的纖維素-2-羥基丙基甲基醚中文同義詞羥丙基甲基纖維素乙酸酯/琥珀酸酯;醋酸酯化丁二酸氫酯化的纖維素-2-羥基丙基甲基醚;醋酸琥珀羥丙甲纖維素USP標準品英文名稱HYDROXYPROPYLMETHYLCELLULOSEACETATESUCCINATE英文同義詞Cellulose,2-hydroxypropylmethylehter,acetatehydrogenbutanedioate;aceticacid,methanol,propane-1,2-diol,succinicacid;HYDROXYPROPYLMETHYLCELLULOSEACETATESUCCINATE,(HPMCAS);HyproMelloseAcetateSuccinate;HYDROXYPROPYLMETHYLCELLULOSEACETATESUCCINATE;HPMCAS;HypromelloseAcetateSuccinate(100mg);HydroxypropylMethylcelluloseacetatesuccinateJPECAS號71138-97-1分子式C10H22O9分子量0EINECS號相關(guān)類別中間體;醫(yī)藥原料;有機化工原料;化工原料;化工中間體;有機原料Mol文件MolFile結(jié)構(gòu)式醋酸酯化丁二酸氫酯化的纖維素-2-羥基丙基甲基醚性質(zhì)熔點>203°C(dec.)儲存條件Hygroscopic,-20°CFreezer,Underinertatmosphere溶解度Practicallyinsolubleinethanol(95%),hexane,unbufferedwater,andxylene.Ontheadditionofacetone,oramixtureofethanol(95%)anddichlorometChemicalbookhane(1:1),aclearorturbidviscoussolutionisproduced.HypromelloseacetatesuccinatealsoformsaclearorturbidsolutioninbuffersofpHgreaterthan4.5withtherankorderofsolubilityforthevariousgradesincreasingwiththeratioofacetyloversuccinoylsubstitution.TheexactpHvalueatwhichthepolymerstartstoswellanddissolvedependsonthebuffertypeandionicstrength,althoughtherankorderforthedifferentgradesisindependentofthebufferused.Nosolventhasbeenfoundtocompletelydissolvehypromelloseacetatesuccinatepolymer;theresultingclearorturbidsolutionssignificantlyscatterlightinbothstaticanddynamiclightscatteringexperiments,indicatingthatthepolymermayexistascolloidsoraggregates.ThedataiscollatedfromtheShin-EtsuChemicalCo.Ltdandtheresearchworkoftheauthors(RChen,BCHancock,andRMShanker).形態(tài)固體顏色白色至類白色穩(wěn)定性吸濕性LogP-0.591(est) |
結(jié)構(gòu)式: |
|
|
|
|
聯(lián)系人: |
金經(jīng)理 |
地 址: |
湖北省武漢市東湖新技術(shù)開發(fā)區(qū)光谷大道03號 |
郵 編: |
430000 |
電 話: |
18995560451 |
手 機: |
15102708508 |
傳 真: |
18995560451 |
Q Q: |
|
網(wǎng) 址: |
www.hbdhchem.com |
電子郵件: |
709783996@qq.com |
|
聲明:以上信息未經(jīng)本網(wǎng)證實,僅供參考,華夏化工網(wǎng)不承擔任何風險責任. |
|