Hypromellose (INN), short for hydroxypropyl methylcellulose (HPMC), is a semisynthetic, inert, viscoelastic polymer used as an ophthalmic lubricant, 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.
| ITEMS | STANDARD |
| Apperance | white to grey while,odourless,tasteless powder |
| Apparent density,g/cm3 | 0.25~0.70 |
| Chromotropic temperature, ℃ | 190~200 |
| Carbonification temperature, ℃ | 225~230 |
| Densitykg/L | 1.39 |
| Relative flammability(700℃ in furnace) | 90+ |
| Density,kg/L,1% solution | 1.0012 |
| 5%solution | 1.0117 |
| 10%solution | 1.0245 |
| Refractive index | 1.336 |
| Specific volume of given concentration,mL/g | 0.717~0.767 |
| Surface tension,,25℃,mN/m | 44~56 |
| Interfacial tension(in paraffin oil),25℃,mN/m | 18~30 |
| Fel temperature,℃ | 54~70 |
| Relative density | 1.29 |
| Area factor(0.0025mm),m2/kg | 36.7 |
| water steam,37℃,90%~100%,rh | 520 |
| oxygen,24℃ | 560 |
| Tensile strength,24℃,50%rh,MPa | 58.6~61 |
| Elongation rate,24℃,50%rh,% | 5-10 |
| UV stability,500rh | excellent |
| Oil resistance | excellent |
| UV light transmittance,400nm% | 82 |
| 290nm% | 34 |
| 210nm% | 6 |
| Refractive index | – |
| Softening point, ℃ | 240 |
| Melting point℃ | 260 |
| Carbonification temperature,℃ | 270 |
Reviews
There are no reviews yet.