COMMON NAME | Methyl Cellulose |
ABBREVIATION | MC |
CAS NO. | 9004-67-5 |
STANDARDS COMPLIANT | USP/NF EP |
CHEMICAL FORMULA | C29H54O16 |
Project name | Indicators(55AX100000 Series) |
Methoxyl | 27.0-32.0 |
Gel temperature | 50-55 |
Dry weightlessness | ≤5 |
Burning residue | ≤1 |
Heavy metal | ≤20 |
Arsenic salt | ≤2 |
Ph. | 5.0-8.0 |
Viscosity | See viscosity classification |
Viscosity specification | ||
Category | Specification | Range |
Low viscosity | 50 | 40-60 |
100 | 80-120 | |
400 | 350-450 | |
High viscosity | 1000 | 800-1200 |
2000 | 1600-2400 | |
4000 | 3500-4500 | |
Extra high viscosity | 30000 | 24000-36000 |
50000 | 45000-55000 | |
75000 | 70000-80000 | |
100000 | 85000-105000 |
PROJECT | INDEX |
Methoxy group content (On a dry basis),w/% | 27.5-31.5 |
Viscosity/(mPa·s) Standard viscosity≤100 a product | Marked value 80%~120% |
Viscosity/(mPa·s) Standard viscosity≤100 a product | Marked value 75%~140% |
Loss on drying,w/% ≤ | 5.0 |
Lgnition residue,w/% ≤ | 1.5 |
Aluminium(Pb) (mg/kg) ≤ | 2.0 |
Drying temperature is 105ºC±2ºC,The time is 2h. Burning temperature is 800ºC±25ºC,The time is 5min. |