Chitin, purified powder [1398-61-4]Chitin is used as a substrate to identify, differentiate and characterize chitinase and chitin deacetylase. Chitin can be used as a viscous / thickening agent or binder. chitin is a humectant and film-forming agent. It is a naturally occurring polysaccharide found in shells of crustaceans such as shrimp and crabs, as well as in some mushrooms and algae.
Ash ≤ 1.0%
Protein ≤ 1.0%
Water ≤ 10.0%
6.0 – 8.0 (1% in 1% acetic acid, 20 ° C)
Arsenic (As) ≤ 1 mg / kg
Lead (Pb) ≤ 0.5 mg / kg
Mercury (Hg) ≤ 0.1 mg / kg
Particle size ≤ 0.4 mm
Microbiological E. coli counts: absent
Salmonella spp.: Absent
Yeast and molds: ≤ 100 colonies / g
Total number of shelves: ≤ 1000 colonies / g
Labeling of hazardous chemicals and mixtures that are part of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The pictograms recommended by GHS have the shape of a square set on the top. They should contain a black symbol on a white background with a red border.
Priority rules to be observed in connection with the labeling of a substance:
– the skull and crossbones, the exclamation mark pictogram should not be added.
– corrosive effect, the exclamation mark pictogram should not be added if it concerns eye or skin irritation.
– health hazard determining respiratory sensitization, the exclamation mark pictogram should not be added if it concerns skin sensitization or irritation to eyes or skin.
Source: GHS pictograms