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Sigma-Aldrich 448877 Chitosan medium molecular weight 250 gr

Sigma-Aldrich 448877 Chitosan medium molecular weight 250 gr
Synonym(s): Deacetylated chitin, Poly(D-glucosamine)
CAS Number: 9012-76-4
MDL number: MFCD00161512
NACRES: NA.23
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Sigma-Aldrich 448877 Chitosan medium molecular weight
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
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Sigma-Aldrich 448877 Chitosan medium molecular weight 250 gr Synonym(s): Deacetylated chitin, Poly(D-glucosamine), CAS Number: 9012-76-4, MDL number: MFCD00161512, NACRES: NA.23 LB.SA.448877-250G
Sigma-Aldrich 448877 Chitosan medium molecular weight 250 gr

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