Merck
CN

330183

Sigma-Aldrich

醋酸丙酸纤维素

average Mn ~75,000 by GPC, powder

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Empirical Formula (Hill Notation):
C76H114O49
CAS号:
分子量:
1811.69
MDL编号:
PubChem化学物质编号:
NACRES:
NA.23

形式

powder

质量水平

分子量

average Mn ~75,000 by GPC

标记范围

~2.5 wt. % Acetyl
~1.8 wt. % Hydroxyl
~46 wt. % Propionyl

mp

188-210 °C (lit.)

密度

1.23 g/mL at 25 °C (lit.)

SMILES string

OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O.CC(=O)OC[C@H]3O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]3O[C@@H]4O[C@H](COC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]4OC(C)=O.CCC(=O)OC[C@H]5O[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@@H]5O[C@@H]6O[C@H](COC(=O)CC)[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@H]6OC(=O)CC

InChI

1S/C36H54O19.C28H38O19.C12H22O11/c1-9-21(37)45-17-19-29(49-23(39)11-3)31(50-24(40)12-4)34(53-27(43)15-7)36(48-19)55-30-20(18-46-22(38)10-2)47-35(54-28(44)16-8)33(52-26(42)14-6)32(30)51-25(41)13-5;1-11(29)37-9-19-21(39-13(3)31)23(40-14(4)32)26(43-17(7)35)28(46-19)47-22-20(10-38-12(2)30)45-27(44-18(8)36)25(42-16(6)34)24(22)41-15(5)33;13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h19-20,29-36H,9-18H2,1-8H3;19-28H,9-10H2,1-8H3;3-20H,1-2H2/t19-,20-,29-,30-,31+,32+,33-,34-,35+,36+;19-,20-,21-,22-,23+,24+,25-,26-,27-,28+;3-,4-,5-,6+,7-,8-,9-,10-,11-,12+/m111/s1

InChI key

HKQOBOMRSSHSTC-DIBAFDJWSA-N

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储存分类代码

11 - Combustible Solids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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S B Bhardwaj et al.
Journal of microencapsulation, 12(1), 71-81 (1995-01-01)
Microspheres containing two different drug loadings of a calcium channel blocker, verapamil hydrochloride, were prepared with three different cellulose esters namely cellulose acetate (CA), cellulose acetate propionate (CAP) and cellulose acetate butyrate (CAB) of approximately similar molecular weights using the
A J Shukla et al.
Pharmaceutical research, 8(11), 1396-1400 (1991-11-01)
Microspheres with 40, 50, and 60% drug loading of anhydrous theophylline core material were prepared by the emulsion-solvent evaporation method. Three different molecular weights of cellulose acetate propionate were used as encapsulating polymers. The geometric mean diameter of the microspheres
M Efentakis et al.
International journal of pharmaceutics, 311(1-2), 147-156 (2006-01-27)
In this investigation a novel oral pulsatile drug delivery system based on a core-in-cup dry coated tablet, where the core tablet surrounded on the bottom and circumference wall with inactive material, is proposed. The system consists of three different parts
Manuela C C M Sobral et al.
Journal of materials science. Materials in medicine, 19(2), 677-682 (2007-07-11)
Ketotifen was immobilised in cellulose acetate propionate (CAP) membranes and in cellulose acetate butyrate (CAB) membranes. The characteristics of each system were evaluated under a range of experimental conditions. The topography and uniformity of the membranes was assessed using scanning
Kelin Huang et al.
Journal of agricultural and food chemistry, 59(10), 5376-5381 (2011-04-02)
Cellulose acetate butyrate (CAB) and cellulose acetate propionate (CAP) were prepared homogeneously in a 1-allyl-3-methylimidazolium chloride (AmimCl) ionic liquid system from sugarcane bagasse (SB). The reaction temperature, reaction time, and molar ratio of butyric (propionic) anhydride/anhydroglucose units in the cellulose

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