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Hydroxypropyl cellulose (L-HPC)
CAS: 78214-41-2
Character: A white, yellowish-white or greyish-white powder or granules, soluble in hot and cold water giving a colloidal solution, practically insoluble in acetone, in alcohol and in toluene.
Package: Net weight 20KG per bag.
Specifications: Conforms to standard USP22，NF22.
|
Items |
CP |
USP-NF |
|
Identification |
Conforms |
Conforms |
|
PH(1% Solution) |
5.0~7.5 |
|
|
Chlorides |
≤0.20% |
≤0.36% |
|
Loss on drying |
≤8.0% |
≤0.5% |
|
Residue on ignition |
≤1.0% |
|
|
Iron |
≤0.010% |
≤10ppm |
|
Heavy metals |
≤20ppm |
|
|
Arsenic |
≤0.0003% |
5.0~16.0% |
|
Assay(Hydroxypropoxy) |
7.0~16.0% |
|