Hydroxypropyl methyl cellulose
CAS No.: 9004-65-3
Product Name: Hydroxypropyl methyl cellulose
CAS#9004-65-3
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#9004-65-3
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of Hydroxypropyl methyl cellulose :
| Items | Specification | Results |
| Solubility | It swells in water and produces a clear to opalescent,viscous colloidal mixture.Insoluble in dehydrated alcohol,in ether and in chloroform. |
Conforms |
| Identification | Conforms | Conforms |
| Hydroxyproxtl content (wt%) | 7.0-12.0 | 8.2 |
| Methoxy content (wt%) | 28.0-30.0 | 28.7 |
| Apparent viscosity (cp) | 3000-5600 | 4305 |
| Loss on drying (wt%) | 5.0max | 1.8 |
| Residue on ignition (wt%) | 1.5max | 0.59 |
| PH (25℃) | 5.0-8.0 | 6.52 |
| Heavy metals (ppm) | 20 max | Less than 20 |
| Chlorides (wt%) | 0.5max | Less than 0.5 |
| Total bacterium | 1000/gram max | 110 |
| Mould | 100/gram max | 60 |
