419419

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419419

Chitosan

high molecular weight

All Photos(3)

Synonym(s):

Deacetylated chitin, Poly(D-glucosamine)

CAS Number:

9012-76-4

MDL number:

MFCD00161512

NACRES:

NA.23

Quality Level

100

form

(Coarse ground flakes and powder)

mol wt

310000-375000 Da

viscosity

800-2000 cP, 1 wt. % in 1% acetic acid(25 °C, Brookfield)(lit.)

solubility

H₂O: insoluble
organic solvents: insoluble

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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This Item	C3646	1105508	417963
Sigma-Aldrich 419419 Chitosan	Sigma-Aldrich C3646 Chitosan	USP 1105508 Chitosan	Sigma-Aldrich 417963 Chitosan
form (Coarse ground flakes and powder)	form powder or flakes	form -	form solid
solubility H₂O: insoluble, organic solvents: insoluble	solubility acetic acid: water: 10 mg/mL, slightly hazy to hazy (with extensive sonication), H₂O: insoluble, organic solvents: insoluble	solubility -	solubility 1 M acetic acid: 10 mg/mL
Quality Level 100	Quality Level 200	Quality Level -	Quality Level 200
mol wt 310000-375000 Da	mol wt -	mol wt -	mol wt 190000-375000 Da
viscosity 800-2000 cP, 1 wt. % in 1% acetic acid(25 °C, Brookfield)(lit.)	viscosity -	viscosity -	viscosity >200 cP, 1 wt. % in 1% acetic acid(20 °C, Brookfield)(lit.)

Application

Forms gels with multivalent anions. Gives clear solutions that dry to strong, clear films.

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% 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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