JayCel™ RC-591

JayCel™ RC-591 is a high-performance co-processed Microcrystalline Cellulose and Sodium Carboxymethyl Cellulose system engineered for exceptional suspension stability, controlled viscosity, and superior rheology management. Developed with advanced pharmaceutical-grade processing standards, it delivers reliable dispersion performance, enhanced texture consistency, and formulation stability across pharmaceutical, nutraceutical, and specialty liquid applications.

Technical Details

JayCel™ RC-591 Microcrystalline Cellulose + CMC Sodium

JayCel™ RC-591 is a high-performance co-processed Microcrystalline Cellulose and Sodium Carboxymethyl Cellulose system engineered for exceptional suspension stability, controlled viscosity, and superior rheology management. Developed with pharmaceutical-grade processing standards, it delivers reliable dispersion performance, enhanced texture consistency, and formulation stability across pharmaceutical, nutraceutical, and specialty liquid applications.

Appearance White Powder
pH Range 6.0 – 8.0
Viscosity 39 – 91 cps
CMC Assay 8.3 – 13.8%

Physical Characteristics

Description White or almost white, fine or granular crystalline powder. Reference: USP
Identification Have to correspond. Reference: Specification Requirement
Loss on Drying Not more than 6.0% w/w. Reference: USP-NF, Ph.Eur, JP
pH pH should be between 6.0 to 8.0. Reference: USP
Viscosity 39 to 91 cps, 1.2% solid, 120 seconds. Reference: USP-NF, Ph.Eur, JP
ROI 3.5%. Reference: USP-NF, Ph.Eur, JP

Composition & Functional Profile

Assay of CMC 8.3 to 13.8 wt%. Reference: USP
Functional System Microcrystalline Cellulose + CMC Sodium. Reference: Product Specification
Application Nature Designed for suspension stability, viscosity control, and rheology management. Reference: Functional Positioning

Sieve Analysis

60 Mesh Retention < 0.1%. Reference: In house
200 Mesh Retention < 45.0%. Reference: In house

Microbial Safety Standards

Total Aerobic Microbial Count
NMT 1000 cfu/g. Reference: USP-NF, Ph.Eur, JP
Total Combined Molds & Yeasts
NMT 100 cfu/g. Reference: USP-NF, Ph.Eur, JP
Staphylococcus aureus
Absent. Reference: USP-NF, Ph.Eur, JP
Pseudomonas aeruginosa
Absent. Reference: USP-NF, Ph.Eur, JP
Escherichia coli
Absent. Reference: USP-NF, Ph.Eur, JP
Salmonella species
Absent. Reference: USP-NF, Ph.Eur, JP

Storage & Solvent Compliance

Organic Volatile Impurities Raw materials, manufacturing process, and product do not contain solvents listed in Organic Volatile Impurities. Reference: USP <467>
Residual Solvents Raw materials, manufacturing process, and product do not contain listed residual solvents. Reference: Ph.Eur <5.4>
Storage Recommendation Preserve in tight containers. Reference: Specification Requirement
Technical Note: JayCel™ RC-591 specifications are designed to support suspension stability, controlled viscosity, reliable rheology modification, and consistent performance across pharmaceutical and nutraceutical liquid formulation systems.
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