HPMC/Hydroxypropyl Methylcellulose(9004-65-3)
Product Description
HPMC is a semisynthetic, inert, viscoelastic polymer used as eye drops, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products. As a food additive, hypromellose is an emulsifier, thickening and suspending agent, and an alternative to animal gelatin. Its Codex Alimentarius code (E number) is E464.
| Grade ValueLtems | HPMC | |
| 65GSK | 60GSK | |
| Hydroxypropoxyl:wt% | 4.0-7.5 | 7.0-12.0 |
| Methoxyl content:wt% | 27.0-30.0 | 28.0-30.0 |
| Gelation temperature℃ | 62-68 | 58-64 |
| Ash ciontennt:wt% | Not more than 1.0 | |
| Moisture:wt% | Not more than 5.0 | |
| viscosity(2wt%solution) | 3-100000 | |
| PH value(1wt%solution) | 4-8 | |
| Chlorides:(NaCl)wt% | Not more than 0.2 | |
| Arsenic:ppm | Not more than 2 | |
| Heavy metals:ppm | Not more than 20 | |
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