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Hydroxyethyl starch Starch,2-hydroxyethyl ether 9005-27-0
Product name |
Hydroxyethyl Starch |
CAS No. |
9005-27-0 |
EINECS No. |
213-526-2 |
Molecular Formula |
(C6H10O5)m(C2H5O)n |
Appearance |
White or almost white powder, colorless |
Loss on drying |
≤6.0% |
2.3% |
Chloride |
≤0.6% |
0.1% |
Absorbing indissoluble |
Not more than 4mg(0.04%) |
0.01% |
Heavy metals |
Not more than 0.001% |
<0.001% |
Apparent viscosity |
15.0~19.0 |
18.3 |
Substitution degree |
0.43~0.55 |
0.44 |
Glycol |
Not more than 0.062% |
0.008% |
Epoxy ethane |
Not more than 0.001% |
0% |
2-chloroethanol |
Not more than 0.0005% |
0% |
Mw |
190000~290000 |
244 245 |
Mw10%min |
≥13000 |
32 954 |
Mw10%max |
≤780000 |
600 152 |
Microbial Pollution |
Should be complies |
Complies |
Pyrogen |
Should be complies |
Complies |
Abnormal toxicity |
Should be complies |
Complies |
Bacterial endotoxin |
≤2.5IU/g |
Complies |
Assay |
97.0%~101.0% |
100.0% |
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