Glycerin (Pharma – Technical) – Multi-Purpose Humectant & Solvent

🧪 CAS Number: 56-81-5

🌟 Product Description

Glycerin is a colorless, odorless, and sweet-tasting hygroscopic liquid. Pharmaceutical grade (≥99.5%) is used in pharmaceuticals, cosmetics, and food, while technical grade is widely used in industrial applications. Its strong humectant capacity and low toxicity make it a versatile chemical.

🏭 Applications

Pharmaceutical & Cosmetics: Moisturizer, solvent, softener

Food Industry: Sweetener, humectant, food additive (E422)

Textile & Paper: Softening and flexibility agent

Chemical Industry: Resin, plastics, and explosives manufacturing

Tobacco & Animal Feed: Moisture-preserving additive

📊 Physical & Chemical Properties

Appearance: Colorless, viscous liquid

Odor: Odorless, slightly sweet

Molecular Formula: C3H8O3

Molecular Weight: 92.09 g/mol

Boiling Point: ~290 °C

Density (20 °C): ~1.26 g/cm³

Solubility: Fully miscible with water and alcohol

⚠️ Storage & Safety

Glycerin is considered safe, but high concentrations may cause irritation. Store in cool, dry conditions in tightly closed containers.

🔑 Keywords

glycerin, CAS 56-81-5, pharmaceutical glycerin, technical glycerin, humectant, solvent, food additive E422

📛 Other Names

Glycerol, 1,2,3-Propanetriol