Synthesis and Physicochemical Characterization of Chitin Derivatives

Table 1

Some important properties of chitin (Sigma C 9213).

Molecular formula	(C8H13NO5)𝑛 [19]
Formula weight	~400.000 g mol^−1 [19]
BET surface area	2.91 m^2 g^−1 [19]
Pore volume	0.0025 cm^3 g^−1 [19]
Density	~0.45 g mL^−1 [19]
pKa	6.1 [19]
Appearance	Light yellow flakes
Solubility	Soluble in lithium chloride/N,N- dimethylacetamide, lithium chloride/N-methyl-2-pyrrolidone, trichloroacetic acid/formic acid, trichloroacetic acid/acetic acid, and dichloroacetic acid [20]