9012-76-4
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Yellow powder; [Sigma-Aldrich MSDS] |
|---|---|
| Chemical Classes | Biological Agents -> Polysaccharides |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H400:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
COMPUTED DESCRIPTORS
| Molecular Weight | 1526.5 g/mol |
|---|---|
| XLogP3 | -21.4 |
| Hydrogen Bond Donor Count | 29 |
| Hydrogen Bond Acceptor Count | 47 |
| Rotatable Bond Count | 27 |
| Exact Mass | 1525.6353145 g/mol |
| Monoisotopic Mass | 1525.6353145 g/mol |
| Topological Polar Surface Area | 808 Ų |
| Heavy Atom Count | 104 |
| Formal Charge | 0 |
| Complexity | 2630 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 45 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Poliglusam, or chitosan, is a linear polysaccharide consisting of D-glucosamine and N-acetyl-D-glucosamine. Naturally-occuring poliglusam is found in the cell walls of fungi, soil and sediments where it is produced from degradation of chitin induced by certain groups of bacteria that produce the enzymes deacetylase or chitosanase enzymes. In comparison, commercial poliglusam is derived from deacetylation of chitin contained in the shells of various sea crustaceans such as shrimps. As a rich source of dietary fiber, chitosan is used as a food ingredient or additive. It is also reported to have an effect on protein aggregation, emulsification capacity, film-forming ability, clarifying ability, and fatty acid absorption capability. In addition, chitosan also exhibits antimicrobial and antioxidant activities.