product description

ItemDescription
Product NamePropylene Glycol (1,2-Propanediol, Methyl Glycol)
CAS No.57-55-6
Molecular FormulaC₃H₈O₂
Molecular Weight76.09
AppearanceClear, colorless viscous liquid
Main GradesPharmaceutical Grade (Purity ≥99.8%, USP/EP standard, for pharmaceutical excipients, injections); Food Grade (Purity ≥99.5%, FCC standard, for humectant and solvent in food); Industrial Grade (Purity ≥99.0%, for antifreeze, coatings, resins)
Key SpecificationsPurity ≥99.8% (Pharma); Moisture ≤0.2%; Color (APHA) ≤10; Density 1.036-1.040 g/cm³ (20℃); Refractive index 1.431-1.433; Heavy metals ≤5 ppm; pH (5% solution) 6.0-8.0
Physical PropertiesBoiling point 188.2℃, melting point -59℃, flash point 99℃ (closed cup), hygroscopic, miscible with water, ethanol, acetone, and many other solvents
FeaturesNon-toxic, low irritation, excellent humectant, good solvent power, low volatility, low-temperature resistance, good chemical stability
Main ApplicationsPharmaceutical/Cosmetics: Pharmaceutical excipients, injection solvent, topical ointments, skin care products, shampoos, toothpaste; Food: Humectant, carrier, emulsifier (bakery, beverages, condiments); Industrial: Antifreeze, de-icing fluid, coolant, unsaturated polyester resin raw material, coating additives, hydraulic fluid, e-liquid
Packaging200kg/drum, 1000kg/IBC tote, tank truck, flexitank
Storage ConditionsCool, dry, keep sealed, away from fire, shelf life 24 months
Shipping RequirementsNon-hazardous cargo; protect from sun and rain; handle with care
Quality StandardsUSP, EP, FCC, GB/T 2914; ISO, Kosher, Halal certifications available
Minimum Order QuantityStandard 20-25 tons (1×20'FCL or tank truck); trial order 1-5 tons (drums)
Delivery TimeStandard 7-15 working days
Payment TermsT/T (30% deposit, 70% against B/L copy), L/C at sight
HS Code29053200 (Propylene glycol)


 

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FAQ

1. Q: What fine chemical products does your company specialize in, and which industries do they serve?
Answer: Our company specializes in fine chemical products—including rubber and plastic additives, coating additives, composite material additives, and single- or multi-element fertilizers—and offers custom chemical manufacturing services. Our products are widely used in sectors such as coatings and inks, plastics, construction materials, textiles, advanced materials, agriculture, and water-saving irrigation, meeting the formulation and production requirements of diverse clients.

 

2. Q: Do you offer product customization for specifications and formulations? Is technical support available?
A: Yes, we support customization of specifications and formulations. Backed by a professional R&D team, we can adjust product parameters and formulas to suit specific operating conditions and industry standards. We also provide comprehensive technical support, including pre-sales product selection and post-sales application guidance.


3. Q: Can you provide complete quality inspection reports and relevant qualification documents with shipments?
A: We provide a full set of customs clearance and compliance documentation to meet both domestic and international trade standards. Full traceability is maintained for every product batch.


4. Q: What is the minimum order quantity (MOQ), and what is the typical lead time?
A: We support small-batch trial orders for standard products with flexible MOQs. Orders for in-stock items ship within 3–7 business days; lead times for large-volume or custom orders are confirmed based on production schedules to ensure timely delivery and maintain our clients' production continuity.


5. Q: Are your products available for export? Which countries and regions do you primarily serve?
A: We possess full import-export qualifications and a robust logistics network for international trade. Our products are exported in full compliance with regulations. Our key markets include Southeast Asia, the Middle East, Africa, and Europe, where we provide stable supplies and one-stop export delivery services to overseas clients.


6. Q: How do you ensure consistent product quality? What is your after-sales process for quality issues?
A: We implement end-to-end quality control, strictly monitoring raw materials, production, testing, and warehousing to ensure product stability. In the event of a quality issue, we respond quickly to verify the situation and offer solutions such as returns, replacements, reshipments, or technical adjustments to safeguard our clients' interests.

 

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