产品名称
2-羟乙基纤维素, average Mv ~720,000
SMILES string
O1C(C(C(C(C1CO)OC)O)OCCO)OC2C(OC(C(C2O)O)OC4C(OC(C(C4O)O)C)CO)COC3OC(C(C(C3O)O)OC)CO
InChI
1S/C29H52O21/c1-10-15(34)16(35)24(13(8-33)45-10)49-28-20(39)18(37)25(50-29-26(43-5-4-30)21(40)23(42-3)12(7-32)47-29)14(48-28)9-44-27-19(38)17(36)22(41-2)11(6-31)46-27/h10-40H,4-9H2,1-3H3
InChI key
CWSZBVAUYPTXTG-UHFFFAOYSA-N
form
powder or crystals
autoignition temp.
725 °F
mol wt
average Mv ~720,000
extent of labeling
2.5 mol per mol cellulose (M.S.)
viscosity
4,500-6,500 cP, 2 wt. % in H2O(25 °C, Brookfield, spindle #4) (60 rpm)(lit.)
density
0.6 g/mL at 25 °C (lit.)
Quality Level
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Application
增稠剂、保护胶体、粘合剂、稳定剂和悬浮剂。
General description
非离子型水溶性聚合物。水溶液为假塑性的。易于分散，不会结块。
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Bernice Wright et al.
Regenerative medicine, 7(3), 295-307 (2012-05-19)
Therapeutic limbal epithelial stem cells could be managed more efficiently if clinically validated batches were transported for 'on-demand' use. In this study, corneal epithelial cell viability in calcium alginate hydrogels was examined under cell culture, ambient and chilled conditions for
Maoqiang Xue et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 912, 1-7 (2013-01-08)
Microporous anodic aluminum oxide (AAO) membranes were modified by 3-glycidoxypropyltrimethoxysilane to produce terminal epoxy groups. These were used to covalently link hydroxyethyl celluloses (HEC) to amplify reactive groups of AAO membrane. The hydroxyl groups of HEC-AAO composite membrane were further
Najmul Arfin et al.
International journal of biological macromolecules, 50(3), 759-767 (2011-12-14)
Solution behaviour of hydroxyethyl cellulose (HEC) is reported in the polymer concentration range spanning over two decades (c=0.002-5% (w/v)). The results conclude the following: (i) dilute solution regime prevailed for c<0.2% (w/v), flexible HEC fibres of typical length ≈ 1
Zhenqing Li et al.
Journal of chromatography. A, 1229, 274-279 (2012-02-09)
Pulsed field capillary electrophoresis (PFCE) is a predominant technique to cope with difficulties in resolving large DNA strands, yet it is still unclear whether pulsed electric field is effective for the separation of higher mass RNA. In this paper we
Ying-Chen Chen et al.
International journal of pharmaceutics, 441(1-2), 162-169 (2012-12-15)
The aim was to develop gastroretentive drug delivery systems (GRDDSs) by combining floating and swelling. GRDDS tablets formulated with hydroxyethylcellulose (HEC), chitosan (CS) and sodium bicarbonate (SB) for evaluating floating capacity (floating lag time and duration) and swelling characteristics. CS
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