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Microcrystalline Cellulose and Carbxoxy Methyl Cellulose Sodium Rc-591

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-591

PROPERTY

SPECIFICATION

Description

Tasteless, Odourless, white to off white, coarse to fine powder. Suspending and/or viscosity increasing agent.

Identification

Pass A,B,C,D of USP, BP, Ph.Eur

Solubility in water

Swells in water producing, when dispersed, a white, opaque dispersion or gel

pH

6.0-8.0

Viscosity 1.2% Solids

39-91cps (65±26)

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.%
(+) 60 mesh
(+)325 mesh

 

NMT- 0.1. %
NMT –45.0. %

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