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Sigma-Aldrich

Cellulose acetate propionate

average Mn ~75,000 by GPC, powder

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Empirical Formula (Hill Notation):
C76H114O49
CAS Number:
Molecular Weight:
1811.69
MDL number:
PubChem Substance ID:
NACRES:
NA.23

form

powder

Quality Level

mol wt

average Mn ~75,000 by GPC

extent of labeling

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

mp

188-210 °C (lit.)

density

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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Related Categories

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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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
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
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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