Microcrystalline Cellulose and Carbxoxy Methyl Cellulose Sodium Rc-581
Commonly used as stabilizing agents and suspending agents in pharmaceutical formulations. Used commercial suspending agents for aqueous compositions, effective, blended stabilizing agent.
MICROCRYSTALLINE CELLULOSE AND CARBXOXY METHYL CELLULOSE SODIUM RC-581 |
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PROPERTY |
SPECIFICATION |
Description |
White or off white, coarse or fine powder |
Identification |
Pass A,B,C,D of USP, BP, Ph.Eur |
Solubility |
Dispersible in water producing a white, opaque colloidal dispersion; Practically Insoluble In organic solvents, in dilute Acids |
pH |
6.0-8.0 |
Viscosity 1.2% Solids |
72-168cps(120±48) |
Loss on drying |
NMT 8.0% |
Residue on ignition |
NMT 5% |
Heavy metals% |
NMT 0.001 |
Assay |
NLT 75.0% and NMT 125% |
Particle size, Wt.% |
NMT- 0.1. % |
Total Aerobic Microbial Count |
Less than 1000 c fu /gm |
Total yeast &muold count |
Less than 100 c fu/gm |
Pathogens (E Coli, pseudomonas, aeruginosa, staphylococcus aureus, salmonella) |
Absent |