CAS 1398-61-4 Chitin - Materials / Alfa Chemistry

NAVIGATION

Chitin

PRICE INQUIRY

Catalog Number

ACM1398614

CAS Number

1398-61-4

Product Name

Chitin

Structure

Category

Polymers

Synonyms

(1,4)-N-acetyl-D-glucos-2-amine

Description

The monomers are identified as N-Acetyl-Amnioglucose. Chitin is a polysaccharide containing nitrogen in which monomers occur with the glycosidically linked components beta 1,4. It is the same coupling as glucose with cellulose, however in chitin the hydroxyl group of the monomer is replaced with an acetyl amine group. The resulting, stronger hydrogen bond between the bordering polymers makes chitin harder and more stabile than cellulose.

IUPAC Name

N-[(2R)-2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide

Molecular Weight

161.16

Molecular Formula

(C8H13NO5)n

Canonical SMILES

CC(=O)NC1[C@@H](OC(C(C1O)O)CO)O

InChI

OVRNDRQMDRJTHS-WTZNIHQSSA-N

InChI Key

InChI=1S/C8H15NO6/c1-3(11)9-5-7(13)6(12)4(2-10)15-8(5)14/h4-8,10,12-14H,2H2,1H3,(H,9,11)/t4?,5?,6?,7?,8-/m1/s1

Boiling Point

737.18 °C

Melting Point

>300 °C(dec.)

Flash Point

269.8°C

Purity

96%

Density

1.37g/ml

Solubility

Insoluble in water, organic solvents, weak acids and lyes Soluble in concentrated formic acid and methane sulfonic acid, Strong acids split chitin into acetic acid and D-amino glucose (monomer of chitin), strong lyes split chitin into Acetic acid and chitosan.

Appearance

White to beige solid

Application

Chitin is a naturally occurring polysaccharide primarily found in the shells of crustaceans like shrimp and crab, and in the cell walls of fungi and algae. It is the second most abundant biopolymer on earth, closely resembling cellulose in structure. As a β(1,4) polymer chain of N-acetyl-D-glucosamine, chitin serves as an essential structural component in various invertebrates, providing strength and chemical resistance. It is notable for its high biocompatibility, biodegradability, and non-toxicity, making it highly valuable in biomedical applications. Chitin can be processed into various forms such as gels, membranes, nanofibers, and sponges, enabling diverse applications in tissue engineering and drug delivery. In tissue engineering, chitin is used to create polymer scaffolds for repairing or enhancing tissues and organs. Additionally, its antimicrobial properties make it useful in wound dressings, while water-soluble derivatives like carboxymethyl chitin are effective carriers in drug delivery systems. Chitin may also act as a viscosity agent or binder, emphasizing its versatility and utility in numerous scientific and industrial fields.

Assay

0.98

Exact Mass

221.09000

Hazard Statements

Xi: Irritant;

Packaging

1 ton

Refractive Index

1.6

Safety Description

S24/25