MilliporeSigma
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448869

Sigma-Aldrich

Chitosan

low molecular weight

Synonym(s):
Deacetylated chitin, Poly(D-glucosamine)
CAS Number:
MDL number:

Quality Level

form

powder

mol wt

50,000-190,000 Da (based on viscosity)

viscosity

20-300 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

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Related Categories

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

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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