Excipient

Magnesium Stearate

Magnesium Stearate is a pharmaceutical-grade lubricant used to prevent adhesion between the tablet formulation and the tablet press punches. Processed for exceptional flowability, uniform particle size, and consistent surface coverage.

Technical Specifications

Chemical NameMagnesium octadecanoate
CAS Number557-04-0
Molecular FormulaC36H70MgO4
AppearanceFine, white, impalpable, fluffy powder
GradePharmaceutical / Food Grade (Vegetable-derived/Bovine-derived)
Assay (as MgO)6.8% – 8.3%
Loss on Drying< 3.0%
StorageStore in a cool, dry place; keep away from strong oxidizing agents

Recommended Applications

  • Tablet Lubrication: Prevents sticking and binding during high-speed compression.
  • Capsule Filling: Enhances powder flow properties for consistent dosing.
  • Nutraceuticals: Essential additive for multi-vitamin and mineral tablet formulations.
  • Excipient Synergy: Compatible with a wide variety of binders and fillers like MCC and lactose.