Polyalkylene Glycol (PAG)
| Formula: | (C₃H₆O)n or (C₂H₄O)n (depending on EO/PO ratio) |
| CAS Number: | Mixture (e.g., 9003-13-8 for Polypropylene Glycol; 25322-68-3 for PEG variants) |
| EC Number (EINECS): | Polymer, exempt from registration |
| HS Code: | 39079990 |
| UN Number: | Not regulated as hazardous for transport |
| IUPAC Name: | Poly(oxyalkylene) glycol |
| Also Known As: | PAG Oil; Polyether Glycol; Polyglycol |
| Molecular Weight, g/mol: | Variable (200 – 3000 depending on grade) |
Typical Specifications
| Appearance: | Clear to pale yellow liquid / waxy solid |
| Odor: | Mild, faint |
| Flash Point, °C: | >200 |
| Solubility: | Miscible with water, soluble in polar solvents |
| Grades Available: | Lubricant Grade, Industrial Grade, Water-Soluble / Water-Insoluble |
| Packaging: | 200kg drums, 1000kg IBC, bulk ISO tanks |
Applications / Uses
Primary Applications
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Base fluids for synthetic lubricants (compressor oils, refrigeration oils, gear oils)
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Hydraulic fluids and fire-resistant lubricants
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High-performance engine coolants
Secondary Applications
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Surfactants and dispersants
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Textile and leather processing aids
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Foam control agents and defoamers
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Heat transfer fluids
End Industries Served: Automotive, Industrial Lubricants, Metalworking, Textile, Leather, Detergents, Chemical Processing, Refrigeration
Safety & Handling Information
Hazard Class (GHS): Not classified as hazardous in most jurisdictions
Hazard Statements (H-Codes):
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H319: Causes serious eye irritation (for some low MW PAGs)
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H335: May cause respiratory irritation (dust/mist forms)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P261: Avoid breathing vapors/mist
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
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Store in cool, dry, ventilated area
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Protect from moisture and direct sunlight
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Keep containers tightly sealed
Transport Information
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ADR/RID: Not regulated
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IMDG: Not regulated
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IATA: Not regulated