99.5% 1,4-Butanediol
Price:Negotiable
Contact Info
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- Contact: 周經(jīng)理
- Tel:13961572207
- Email:sales@etongchem.com
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Description
Additional Information
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Category
Polyol Series
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Describe
Ethylene glycol (EG) is a common organic compound belonging to the diol class and is widely used in industry, especially as an antifreeze agent, solvent and polyester raw material.
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Cas No.
107-21-1
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Purity
99.5%
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Synonym(s)
EG
Physical and chemical properties
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1. Chemical Identity
- Chemical Name: Ethylene glycol
- IUPAC Name: Ethane-1,2-diol
- Synonyms: 1,2-Ethanediol, Monoethylene glycol (MEG), Glycol
- CAS Number: 107-21-1
- EC Number: 203-473-3
- Molecular Formula: C2?H6?O2?
- Molecular Weight: 62.07 g/mol
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2. Physical Properties
- Appearance: Clear, colorless, viscous, hygroscopic liquid.
- Odor: Odorless.
- Taste: Sweet taste. (Note: Highly toxic, should never be ingested).
- Melting Point: -13 °C (9 °F)
- Boiling Point: 197-198 °C (387-388 °F) at 1013 hPa
- Density: 1.113 g/cm³ at 20 °C
- Solubility:
- In Water: Miscible (soluble in all proportions).
- In Organic Solvents: Soluble in alcohol, acetone, and acetic acid. Sparingly soluble in ether. Insoluble in benzene and chlorinated hydrocarbons.
- Vapor Pressure: 0.08 hPa at 20 °C
- Vapor Density: 2.14 (Air = 1)
- Viscosity: 16.1 mPa·s at 25 °C
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3. Chemical Properties and Stability
- Stability: Stable under normal conditions. Hygroscopic (absorbs moisture from the air).
- Incompatibilities: Incompatible with strong oxidizing agents (e.g., potassium permanganate, perchloric acid), strong acids, and strong bases. Can react violently.
- Hazardous Decomposition Products: Combustion may produce toxic fumes of carbon monoxide (CO) and carbon dioxide (CO2?).
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4. Other Key Data
- Flash Point: 111 °C (232 °F) - Closed cup
- Autoignition Temperature: 410 °C (770 °F)
- Explosive Limits:
- Lower Explosive Limit (LEL): 3.2 % (V)
- Upper Explosive Limit (UEL): 15.3 % (V)
- Refractive Index (n20/D): ~1.432
| Industry Category | Chemicals/Chemical Intermediates/Intermediate Compounds |
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| Product Category | Polyol Series |
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