Chitosan, M.W. 50,000 - 190,000 Da, 20 - 300 cP (1% w/w CH₃COOH 1%), Sigma-Aldrich®

Supplier: Merck


M-Clarity™ quality level = MQ100

448869-250G 448869-50G
SIAL448869-250GEA 493 EUR
SIAL448869-250G SIAL448869-50G
Chitosan, M.W. 50,000 - 190,000 Da, 20 - 300 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 fibers 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


Physical form: 75 - 85% deacetylated


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

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

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Specification Test Results

Appearance (color) Faint beige to beige
Appearance (form) Powder and/or chips
Deacetylation ≥75,0%
Viscosity (c=1%, 1% acetic acid) 20 - 300 cps
Molecular weight 50,000 - 190,000 Da
Solubility Dilute aqueous acid: soluble

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