Surface Coating / Alfa Chemistry

Chitosan, high molecular weight

Basic Information Description Application Features And Benefits
CAS 9012-76-4
Catalog Number ACM9012764-13
Synonyms Deacetylated chitin, Poly(D-glucosamine)
Molecular Weight 310-375 kDa
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
Boiling Point 102.5 °C
Solubility H2O: insoluble/Organic solvents: insoluble
Appearance Coarse ground flakes and powder
Storage Room Temp
Composition ≥75 % (deacetylated)
Form (Coarse ground flakes and powder); >75% deacetylated
Grade Reagent Grade
MDL Number MFCD00161512
Packaging 50, 250 g in poly bottle
Quality Level 100
Storage Temperature 2-8°C
Viscosity 800-2000 cPs, 1 wt. % in 1% acetic acid(25 °C, Brookfield)(lit.)
Description Chitosan is a linear aminopolysaccharide composed of approximately 20% β1,4-linked N-acetyl-D-glucosamine (glucosamine), and approximately 80% β1,4-linked D-glucosamine (GlcN )composition. Chitosan contains both hydroxyl and amino groups, and the amino group content is related to the viscosity, ion exchange capacity, flocculation capacity and N-selective acylation capacity of chitosan products. Chitosan is a biocompatible, antibacterial and biodegradable polyelectrolyte with a wide range of biomedical and industrial uses. Its chemical properties and low toxicity can be used as a component of drugs, in gene transfer systems, as a biodegradable membrane and as a scaffold in tissue engineering.
Application ·Water treatment
·Cosmetic additives
·Antibacterial treatment of textiles
·Biodegradable Film
·Biomedical devices and drug-delivery slow-release microcapsule implants
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.

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