Chitosan, M.W. 190,000-310,000 Da, 200-800 cP (1% w/w CH₃COOH 1%), Sigma-Aldrich®

Supplier: Merck


M-Clarity™ quality level = MQ200

448877-50G 448877-250G
SIAL448877-50GEA 127 EUR
SIAL448877-50G SIAL448877-250G
Chitosan, M.W. 190,000-310,000 Da, 200-800 cP (1% w/w CH₃COOH 1%), Sigma-Aldrich®
Chitosan

Biocompatible, antibacterial and environmentally friendly polyelectrolyte with a variety of applications including water treatment, chromatography, additives for cosmetics, textile treatment for antimicrobial activity, novel fibres for textiles, photographic papers, biomedical devices, and microcapsule implants for controlled release in drug delivery.


  • Forms gels with multivalent anions
  • Gives clear solutions that dry to strong, clear films
  • Other uses such as flocculant, protein precipitation, encapsulating agent and aqueous thickener


Synonyms: Deacetylated chitin; Poly(D-glucosamine).

MDL Number: MFCD00161512
CAS Number: 9012-76-4

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Specification Test Results

Appearance (color) Off white to beige and faint brown to light brown
Appearance (form) Powder and/or chips
Deacetylation 75 - 85%
Viscosity (c=1%, 1% acetic acid) 200 - 800 cps
Solubility Dilute aqueous acid: soluble

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