Propylene Glycol (PG) Supplier
Sinolook supplies high-purity industrial propylene glycol (1,2-PG, 99.9%+) to manufacturers worldwide. SGS-inspected, with a full Certificate of Analysis on every shipment and flexible drum, IBC or ISO-tank packaging.
Industrial propylene glycol for food, pharma & industry
Propylene glycol (PG) is a clear, colourless, viscous, nearly odourless diol, fully miscible with water. Its low toxicity makes it one of the most versatile industrial chemicals — used as a humectant, solvent, carrier and heat-transfer fluid.
Sinolook supplies high-purity industrial-grade 1,2-propylene glycol at 99.9%+ assay, with low water content, low acidity and Hazen colour ≤5. Every shipment ships with a full SGS-verified Certificate of Analysis, so you can trace quality batch by batch.
Propylene Glycol Specification
High-purity 1,2-propylene glycol, 99.9%+ assay. CAS No. 57-55-6.
Propylene Glycol — Specification
CAS 57-55-6 · HS 2905.32 · C₃H₈O₂1,2-Propylene glycol is a clear, colourless, viscous, nearly odourless liquid, fully miscible with water. Its low toxicity makes it suitable as a humectant, solvent and heat-transfer fluid across food, pharmaceutical, cosmetic and industrial applications.
| Test Item | Specification | Typical Result | Method |
|---|---|---|---|
| 1,2-Propylene Glycol, ω% | ≥ 99.80 | 99.949 | GC |
| Water Content, ω% | ≤ 0.10 | 0.058 | Karl Fischer |
| Acidity (as acetic acid), ω% | ≤ 0.010 | 0.002 | Titration |
| Density (20°C), g/cm³ | 1.035–1.038 | 1.035 | ASTM D4052 |
| Colour, Hazen (Pt-Co) | ≤ 5 | 5 | ASTM D1209 |
| Appearance | Clear viscous liquid, free of visible impurities | Pass | Visual |
Need USP, food (FCC) or cosmetic grade with documentation? Tell us your grade requirement and we'll confirm availability.
What propylene glycol is used for
PG's low toxicity and versatility make it essential across food, pharma, cosmetics and industrial sectors.
Why source propylene glycol from us
High-purity PG
99.9%+ assay, low water and acidity, Hazen colour ≤5 — verified by COA on every batch.
SGS COA per shipment
Every batch ships with a full Certificate of Analysis tested to GC, Karl Fischer and ASTM standards.
25+ years trading
A quarter-century in oil & chemical trading with a global bonded storage network and 300+ customers worldwide.
Bulk & drum options
Drums, IBC totes, ISO tanks and flexitanks. Low MOQ on trial orders for new customers.
Packaging options for global delivery
Propylene glycol ships as a liquid in drums, IBC totes, ISO tanks or flexitanks. Delivered worldwide from our bonded storage network.
Drums (200 L / 215 kg)
80 drums per 20'FCL. Best for smaller PG orders. Low MOQ for first orders.
IBC totes (1,000 L)
20 totes per 20'FCL. Convenient for mid-volume orders. Reusable / returnable on request.
ISO tanks & flexitanks
22–24 MT per ISO tank. Most cost-effective for bulk PG shipments.
Propylene Glycol — frequently asked questions
What grade of propylene glycol do you supply?
Our standard propylene glycol is high-purity 1,2-PG at 99.9%+ assay, with water content below 0.1%, acidity below 0.01% and Hazen colour ≤5 — suitable for industrial and many food/technical applications. USP (pharmaceutical), FCC (food) and cosmetic grades with full documentation are available on request. Tell us your application and required certification.
Is your propylene glycol mono- or dipropylene glycol?
We supply mono propylene glycol (MPG), also written as 1,2-propylene glycol or 1,2-propanediol — CAS 57-55-6. This is the standard PG used as a humectant, solvent and carrier. It should not be confused with dipropylene glycol (DPG) or polypropylene glycol (PPG), which are different products with different CAS numbers.
Can you provide a Certificate of Analysis (COA)?
Yes. Every shipment includes a full COA listing assay/purity, water content, acidity, density and colour, tested to GC, Karl Fischer and ASTM standards. Pre-shipment SGS inspection is available on request, and we send sealed samples before bulk orders.
What is the minimum order quantity for propylene glycol?
For drummed PG, MOQ typically starts at 1 pallet (4 drums) for trial orders. For IBC totes, MOQ is 1 tote. For bulk ISO tank or flexitank shipments, MOQ is 1 tank (typically 22–24 MT). New customers can start with a trial order to evaluate quality before committing to a full container.
How should propylene glycol be stored?
Store PG in tightly closed containers in a cool, dry, well-ventilated area away from heat and oxidisers. It is hygroscopic, so containers should be kept sealed to prevent water absorption. In sealed original packaging, shelf life is typically two years. A safety data sheet (SDS) is provided with every shipment.
Which countries do you ship propylene glycol to?
We ship PG to customers in over 20 countries across Southeast Asia, the Middle East, Europe, Africa, North and South America. We arrange all shipping documents including COO, MSDS/SDS in multiple languages, and Halal certification for relevant markets. Contact us with your destination port for a delivered quotation.
Ready to order propylene glycol?
Tell us your required grade, quantity and destination port — we'll respond within 24 hours with a COA, sample and delivered quotation.
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