HomeCHITIN EXTRAPURE CHITIN EXTRAPURE Product Code B-00738 Grade Purity 99.5 % Brand Bio-Chem Molecular Formula (C8H13NO5)n CAS No. 1398-61-4 Molecular Weight 2534.12 H.S.Code 3913.90900 Shelf Life 60 Months COAs MSDS Physical Properties Physical state at 20 °C Solid Color Light brownish Odour Odorless Packaging Specification AppearanceLight brownish flakesSulphated ashMax 5.0% Safety Information and Hazard Symbols Symbol:GHS05,GHS06,GHS09Signal Word: Danger