Glycerin USP — Glycerol / CAS 56-81-5

Description

1. Product Overview

Glycerin USP (Glycerol) is a high-purity, versatile polyol compound widely used as a critical raw material across pharmaceutical, food, personal care, and industrial manufacturing sectors. Produced to United States Pharmacopeia (USP) standards, it delivers exceptional purity, stability, and functional performance as a humectant, solvent, moisturizer, and formulation aid. Its broad compatibility and reliable supply position glycerin as an essential ingredient for high-value applications requiring stringent quality control. As a globally traded bio-based chemical intermediate, USP Glycerin supports sustainable manufacturing and diverse industrial value chains.

2. Key Specifications & Technical Characteristics

• Chemical Composition:
  • Chemical name: Glycerol / 1,2,3-Propanetriol
  • Molecular formula: C₃H₈O₃
  • CAS Number: 56-81-5
  • Composition: ≥99.5% glycerol content (USP grade)
• Purity Level / Grade:
  • USP pharmaceutical grade
  • Meets United States Pharmacopeia quality requirements
  • Suitable for pharmaceutical, food, cosmetic, and industrial applications
• Physical Characteristics:
  • Appearance: Clear, colorless, viscous liquid
  • Odor: Nearly odorless
  • Taste: Sweet taste
  • Solubility: Completely miscible with water and alcohol
  • Density: Approximately 1.26 g/cm³ at 20°C
  • Viscosity: High-viscosity liquid with excellent moisture retention properties
• Packaging Options:
  • 250 kg HDPE drums
  • 1,000 kg IBC containers
  • Bulk tanker shipments for large-volume industrial supply
  • Customized packaging solutions available upon request
• Shelf Life:
  • Typically 24 months when stored in sealed containers under recommended storage conditions

3. Core Industrial Applications

• Pharmaceutical Industry:
  • Used as a solvent, stabilizer, sweetening agent, and moisture-retaining component in syrups, capsules, topical formulations, suppositories, and medical products.
• Food & Beverage Industry:
  • Functions as a humectant, texture enhancer, carrier, and moisture-control ingredient in processed foods, confectionery, beverages, and nutritional products.
• Personal Care & Cosmetics:
  • Widely used in skincare, haircare, and oral care formulations due to its superior moisturizing and skin-conditioning properties.
• Industrial Manufacturing:
  • Applied in alkyd resins, polyurethane production, coatings, lubricants, antifreeze formulations, and chemical intermediates.
• Performance Advantages:
  • Provides excellent moisture retention, formulation stability, compatibility with multiple ingredients, and cost-efficient processing compared with alternative humectants and solvents.

4. Competitive Advantages

• Consistent Quality Performance:
  • Manufactured under strict quality control systems to ensure high purity, batch-to-batch consistency, and compliance with international standards.
• Reliable Global Supply:
  • Supported by scalable production capacity and dependable sourcing networks for continuous industrial demand.
• Efficient Logistics Capability:
  • Available in bulk shipment formats with optimized container loading and international export support.
• Cost Competitiveness:
  • Offers excellent value through high functional efficiency, long shelf stability, and broad application versatility.
• Sustainability Benefits:
  • Often derived from renewable vegetable-based feedstocks, supporting environmentally responsible manufacturing initiatives and circular bio-economy practices.
• Technical Documentation Support:
  • Available with Certificate of Analysis (COA), Safety Data Sheet (SDS), specification sheets, and regulatory compliance documentation.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Approximately 20–22 MT per 20-foot container (depending on packaging configuration and shipping requirements)