99.5% Triethylene glycol

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Description

Additional Information

Category
Polyol Series
Describe
Tripropylene glycol (TPG) is a colorless, odorless, low-volatility viscous liquid belonging to the polyol solvent class. It is mainly used in flavors and fragrances, cosmetics, coatings, inks, polyurethanes and other fields.
Cas No.
24800-44-0
Purity
99.5%
Synonym(s)
TPG

Physical and chemical properties

1. Chemical Identity
- Chemical Name: Tripropylene glycol
- IUPAC Name: A mixture including 2-(2-(2-Hydroxypropoxy)propoxy)propan-1-ol
- Synonyms: TPG
- CAS Number: 24800-44-0 (for the isomer mixture)
- EC Number: 246-468-1
- Molecular Formula: C9H20O4
- Molecular Weight: 192.25 g/mol
2. Physical Properties
- Appearance: Clear, colorless, viscous, hygroscopic liquid.
- Odor: Practically odorless.
- Melting Point: <-20 °C (<-4 °F)
- Boiling Point: 267-273 °C (513-523 °F) at 1013 hPa
- Density: 1.018 - 1.022 g/cm³ at 20 °C
- Solubility:
- In Water: Miscible (soluble in all proportions).
- In Organic Solvents: Miscible with many common organic solvents.
- Vapor Pressure: <0.01 hPa at 20 °C
- Vapor Density: 6.6 (Air = 1)
- Viscosity: ~57 mPa·s at 20 °C
3. Chemical Properties and Stability
- Stability: Stable under normal conditions. Hygroscopic (absorbs moisture from the air).
- Incompatibilities: Incompatible with strong oxidizing agents and strong acids.
- Hazardous Decomposition Products: Combustion may produce toxic fumes of carbon monoxide (CO) and carbon dioxide (CO2).
4. Other Key Data
- Flash Point: 132 °C (270 °F) - Closed cup
- Autoignition Temperature: 305 °C (581 °F)
- Explosive Limits:
- Lower Explosive Limit (LEL): Not determined
- Upper Explosive Limit (UEL): Not determined
- Refractive Index (n20/D): ~1.445

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