Propylene Glycol

1. Product Overview
Propylene Glycol (PG) is a high-purity, colorless, hygroscopic diol widely used across industrial, pharmaceutical, food, and chemical manufacturing sectors. It functions primarily as a solvent, antifreeze agent, humectant, and chemical intermediate in a broad range of formulations. Its strong value proposition lies in its low toxicity profile, excellent chemical stability, and versatile performance across regulated industries.

Strategically, Propylene Glycol is a critical input in global supply chains for pharmaceuticals, cosmetics, food processing, and industrial heat-transfer systems, where safety, consistency, and regulatory compliance are essential. Its market importance continues to grow due to increasing demand for safer glycol alternatives and high-performance formulation ingredients.

2. Key Specifications & Technical Characteristics

• Chemical Formula: C₃H₈O₂
• Chemical Composition: 1,2-Propanediol
• Purity Grade: ≥ 99.5% (Industrial / USP / EP grades available)
• Appearance: Clear, colorless, odorless liquid
• Density: ~1.036 g/cm³ at 20°C
• Boiling Point: ~188.2°C
• Solubility: Completely miscible with water, alcohols, and many organic solvents
• Hygroscopic Nature: Highly moisture-absorbent
• Packaging Options: 215 kg steel drums, IBC tanks (1000 L), ISO tank containers, bulk tanker shipments
• Shelf Life: 24–36 months under recommended storage conditions (cool, dry, tightly sealed)

3. Core Industrial Applications
Propylene Glycol is extensively used across multiple high-value industries:

• Pharmaceutical Industry: Solvent and carrier in oral, topical, and injectable formulations
• Food & Beverage (E1520): Humectant, stabilizer, and carrier for flavors and colors
• Cosmetics & Personal Care: Moisturizer and viscosity regulator in creams, lotions, and deodorants
• Industrial HVAC Systems: Heat transfer fluid and antifreeze agent in closed-loop systems
• Chemical Manufacturing: Intermediate in polyester resins, plasticizers, and alkyd resins

Compared to alternatives such as ethylene glycol, Propylene Glycol offers significantly lower toxicity, improved regulatory acceptance, and safer handling characteristics, making it the preferred choice for sensitive applications.

4. Competitive Advantages

• High Quality Consistency: Stable purity across production batches ensures formulation reliability
• Secure Supply Chain: Scalable production and dependable global logistics support
• Regulatory Compliance: Meets major international standards including food and pharma-grade requirements
• Cost Efficiency: Optimized production economics enabling competitive bulk pricing
• Safety & Environmental Profile: Low toxicity and improved biodegradability compared to conventional glycols
• Technical Documentation: Full COA, MSDS, and regulatory support available for industrial procurement teams
• Application Versatility: One product suitable for multiple industries reduces sourcing complexity

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 MT (metric tons)
• Bulk Supply Capacity: Available in continuous bulk shipments depending on contract volume
• Loading Capacity:
  • ISO Tank / Bulk Tanker: 20–24 MT per shipment
  • 20ft Container (Drums/IBC): approximately 16–20 MT depending on packaging configuration
• Delivery Terms: FOB / CIF / CFR available upon request
• Packaging Flexibility: Drum, IBC, or bulk tanker options based on buyer requirements