Dextran；Mucrose；Glucose polymer CAS 9004-54-0
Item No.： I0099
Store at： RT
English name：Dextran；Mucrose；Glucose polymer
Other names: dextran; Polygemin
Molecular formula：(C6H10O5) n
Molecular weight：～10 thousand
Grade：BR
Loss on drying：≤7.0%
pH (6%, Water) @25C：5.0～7.0
Burning residue：≤1.0%
Physicochemical properties: White or almost white powder, insoluble in ethanol, very stable in neutral solution, hydrolyzed in strong acid and elevated temperature, and the end group can be oxidized in alkaline solution.Soluble in water.Odorless and tasteless.The solution can be sterilized by hot pressing at 100-115 ℃ for 30-45 min.Glucans are present in mucus secreted by certain microorganisms during their growth.It is mainly composed of d-gluconan α, 1 → key connection, and the branch chain points are connected by 1 - → 2, 1 → 3, 1 → 4. With the different types and growth conditions of microorganisms, their structures are also different.
Purpose: Biochemical researchCell research, precipitin reaction, isolation of leukocytes from whole blood.Immunological research.Permeability study.Determination of the occupied volume of inert colloids and the volume of biological cell wall.
