Triethylene Glycol
| Formula: | C₆H₁₄O₄ |
| CAS Number: | 112-27-6 |
| EC Number (EINECS): | 203-953-2 |
| HS Code: | 29094900 |
| UN Number: | Not classified as hazardous for transport |
| IUPAC Name: | 2-[2-(2-hydroxyethoxy)ethoxy]ethanol |
| Also Known As: | TEG; Triglycol; 2,2′-(1,2-ethanediylbis(oxy))bisethanol |
| Molecular Weight, g/mol: | 150.17 |
Typical Specifications
| Appearance: | Colorless, odorless, hygroscopic liquid |
| Odor: | Practically odorless |
| Melting Point, °C: | -7 |
| Boiling Point, °C: | 285 |
| Density, g/cm³ (at 20°C): | 1.125 |
| Flash Point, °C: | 165 (closed cup) |
| Refractive Index (20°C): | 1.458 |
| Solubility: | Miscible with water, alcohols, acetone |
| Vapor Pressure (at 20°C): | <0.01 mmHg |
| Purity, %: | ≥99.0 |
| Grades Available: | Industrial, Technical, USP/Pharma |
| Packaging: | 225kg drums, 1000kg IBCs, bulk ISO tanks |
Applications / Uses
Primary Applications
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Natural gas dehydration (widely used in gas pipelines for water removal)
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Humectant and dehydrating agent in various industries
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Intermediate in plasticizers, resins, and polyester synthesis
Secondary Applications
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Ingredient in textile lubricants and printing inks
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Used in air sanitizer formulations and fogging agents
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Solvent in adhesives, cleaners, and coatings
End Industries Served: Oil & Gas, Chemicals, Textiles, Coatings, Adhesives, Plastics, Personal Care, Pharmaceuticals
Safety & Handling Information
Hazard Class (GHS): Not classified as dangerous, but may cause mild irritation
Hazard Statements (H-Codes):
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation (mist/vapor)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P261: Avoid breathing mist/vapors
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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 tightly closed containers in a cool, dry, well-ventilated area
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Protect from strong oxidizing agents
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Hygroscopic – avoid prolonged exposure to air
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods