Chitin, powder [1398-61-4]

Chitin, 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

Hazard pictograms

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