China 99.5% Dipropylene glycol - China Supplier

99.5% Dipropylene glycol

Price:Negotiable

Industry Category:	Chemicals
Product Category:	Polyol Series
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Yixing Wencheng Chemical Co., Ltd.

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Add:江苏省宜兴市宜城街道沧浦村, Zip:
Contact: 周经理
Tel:13961572207
Email:sales@etongchem.com

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Description

Additional Information

Category
Polyol Series
Describe
Tetraethylene glycol (TEG-4 or TEG₄) is a colorless, odorless, viscous polyol compound. It is a type of polyethylene glycol ether (oligoether) with good hygroscopicity, thermal stability and solubility. It is widely used in solvents, lubricants, gas dehydrating agents, surfactant raw materials and other fields.
Cas No.
31692-85-0
Purity
99.5%
Synonym(s)
TEG-4 ； TEG₄

Physical and chemical properties

Physical and Chemical Properties
- 1. Chemical Identity
  - Chemical Name: Tetraethylene glycol
  - IUPAC Name: 2-[2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy]ethan-1-ol
  - Synonyms: TEG-4, 3,6,9-Trioxaundecane-1,11-diol
  - CAS Number: 112-60-7
  - EC Number: 203-989-9
  - Molecular Formula: C8H18O5
  - Molecular Weight: 194.23 g/mol
- 2. Physical Properties
  - Appearance: Clear, colorless, viscous, hygroscopic liquid.
  - Odor: Practically odorless.
  - Melting Point: -6 °C (21 °F)
  - Boiling Point: 327-328 °C (621-622 °F) at 1013 hPa
  - Density: 1.125 g/cm³ at 20 °C
  - Solubility:
  - In Water: Miscible (soluble in all proportions).
  - In Organic Solvents: Soluble in alcohol and acetone. Insoluble in ether, benzene, and most hydrocarbons.
  - Vapor Pressure: <0.01 hPa at 20 °C
  - Vapor Density: 6.7 (Air = 1)
  - Viscosity: 61.2 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 (e.g., potassium permanganate, perchloric acid), strong acids, and strong bases.
  - Hazardous Decomposition Products: Combustion may produce toxic fumes of carbon monoxide (CO) and carbon dioxide (CO2).
- 4. Other Key Data
  - Flash Point: 185 °C (365 °F) - Closed cup
  - Autoignition Temperature: 350 °C (662 °F)
  - Explosive Limits:
  - Lower Explosive Limit (LEL): 0.7 % (V)
  - Upper Explosive Limit (UEL): 7.7 % (V)
  - Refractive Index (n20/D): ~1.460

Industry Category	Chemicals
Product Category	Polyol Series
Brand:
Spec:
Stock:
Origin:

Yixing Wencheng Chemical Co., Ltd.

Product List About Us

周经理

Tel:13961572207

Send Inquiry Contact Info