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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(chēng)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(biāo)準(zhǔn)品英文名稱(chēng)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(hào)71138-97-1分子式C10H22O9分子量0EINECS號(hào)相關(guān)類(lèi)別中間體;醫(yī)藥原料;有機(jī)化工原料;化工原料;化工中間體;有機(jī)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(diǎn)>203°C(dec.)儲(chǔ)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(lèi)白色穩(wěn)定性吸濕性L(fǎng)ogP-0.591(est) |
| 結(jié)構(gòu)式： |
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聯(lián)系人： |
金經(jīng)理 |
地 址： |
湖北省武漢市東湖新技術(shù)開(kāi)發(fā)區(qū)光谷大道03號(hào) |
郵 編： |
430000 |
電 話(huà)： |
18995560451 |
手 機(jī)： |
15102708508 |
傳 真： |
18995560451 |
Q Q： |
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網(wǎng) 址： |
www.hbdhchem.com |
電子郵件： |
709783996@qq.com |
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