417963

Chitosan

from shrimp shells, practical grade

• Synonym(s): Deacetylated chitin, Poly(D-glucosamine)
• CAS Number: 9012-76-4
• MDL number: MFCD00161512
• NACRES: NA.23

Properties

• biological source: shrimp shells
• Quality Level: 200
• grade: practical grade
• form: solid
• mol wt: 190000-375000 Da
• viscosity: >200 cP, 1 wt. % in 1% acetic acid(20 °C, Brookfield)(lit.)
• solubility: 1 M acetic acid: 10 mg/mL
• 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

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

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: nwg
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves