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Diethylene glycol

Diethylene glycol

Diethylene glycol

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Product Introduction

Chinese name: Diethylene glycol

Chinese alias: Diethylene glycol

Chemical formula C4H10O3

Molecular weight: 106.12

CAS No.: 111-46-6

Appearance: A colorless, odorless, transparent, hygroscopic viscous liquid with a pungent odor and non-corrosive properties.

Boiling point: 245

Melting point: -10.5

Relative density: 1.118

Relative vapor density: 2.14

Refractive index (15°C): 1.4490

Refractive index (20°C): 1.4472

Refractive index at room temperature: 1.446

Flash point: 143

Flash point: 229

Solubility: Miscible with water, ethanol, ethylene glycol, and other solvents; immiscible with linear aliphatic hydrocarbons and aromatic hydrocarbons.

Purpose:

1. It is primarily used as a gas dehydrating agent and an aromatic hydrocarbon extraction solvent. It also serves as a solvent for cellulose nitrate, resins, oils, printing inks, and other materials; as a softening and finishing agent for textiles; and for extracting coumarone and indene from coal tar. In addition, diethylene glycol is employed as a brake fluid additive, a plasticizer for celluloid, an antifreeze, and a diluent in emulsion polymerization. It is further utilized in the production of rubber and resin plasticizers, polyester resins, fiberglass, urethane foams, and lubricant viscosity improvers. It is also used in the synthesis of unsaturated polyester resins, among other applications.

2. It is used in the synthesis of unsaturated polyester resins, plasticizers, and other applications. It also serves as an antifreeze, a gas dehydrating agent, a plasticizer, a solvent, an aromatic hydrocarbon extractant, a moisture‑absorbing agent in cigarettes, a lubricant and finishing agent for textiles, an anti‑drying agent in pastes and various adhesives, and a hygroscopic solubilizing aid for vat dyes. It is a commonly employed solvent for oils, resins, nitrocellulose, and similar materials.

Keywords: Diethylene glycol

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