Sigma-Aldrich 448877 Chitosan medium molecular weight 250 gr
Marka
Stok Kodu
LB.SA.448877-250G
| Sigma-Aldrich 448877 Chitosan medium molecular weight 250 gr |
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Synonym(s): Deacetylated chitin, Poly(D-glucosamine)
CAS Number: 9012-76-4
MDL number: MFCD00161512
NACRES: NA.23
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PROPERTIES
Quality Level 200
form powder
viscosity 200-800 cP, 1 wt. % in 1% acetic acid(25 °C, Brookfield)(lit.)
solubility dilute aqueous acid: soluble
InChI 1S/C56H103N9O39/c1-87-56(86)65-28-38(84)46(19(10-74)96-55(28)104-45-
18(9-73)95-49(27(64)37(45)83)97-39-12(3-67)88-47(85)20(57)31(39)77)103-54-
26(63)36(82)44(17(8-72)94-54)102-53-25(62)35(81)43(16(7-71)93-53)101-52-
24(61)34(80)42(15(6-70)92-52)100-51-23(60)33(79)41(14(5-69)91-51)99-50-
22(59)32(78)40(13(4-68)90-50)98-48-21(58)30(76)29(75)11(2-66)89-48/h11-55,66-85H,2-10,57-64H2,1H3,(H,65,86)/t11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,
21-,22-,23-,24-,25-,26-,27-,28-,29-,30-,31-,32-,33-,34-,35-,36-,37-,38-
,39-,40-,41-,42-,43-,44-,45-,46-,47-,48+,49+,50+,51+,52+,53+,54+,55+/m1/s1
InChI key FLASNYPZGWUPSU-SICDJOISSA-N
DESCRIPTION
Application
Chitosan may be used as a flocculant, in protein precipitation, encapsulating agent and aqueous thickener. Forms gels with multivalent anions. Gives clear solutions that dry to strong, clear films.
Packaging
50, 250 g in poly bottle
Features and Benefits
Biocompatible, antibacterial and environmentally friendly polyelectrolyte with a variety of applications including water treatment, chromatography, additives for cosmetics, textile treatment for antimicrobial activity, novel fibers for textiles, photographic papers, biodegradable films, biomedical devices, and microcapsule implants for controlled release in drug delivery.
Physical form
75-85% deacetylated |