Diethylene Glycol

DIETHYLENE GLYCOL (DEG) 225KG – A VERSATILE SOLVENT AND KEY INTERMEDIATE

Diethylene Glycol (DEG) is a clear, hygroscopic, odourless liquid with two hydroxyl groups that readily participate in many chemical reactions. DEG is widely used as a solvent, humectant and chemical intermediate across industries.

PRODUCT INFORMATION / Introduced packaging: 225 kg/drum (Thailand). The product is a clear, hygroscopic liquid. Acceptance criteria must be based on the COA of the actual batch delivered.

1. What Is DIETHYLENE GLYCOL (DEG) 225KG?

Diethylene Glycol (DEG) is an organic compound with the formula C4H10O3, produced by the reaction of ethylene oxide with ethylene glycol. Thanks to its two hydroxyl groups, DEG is highly soluble in water and many organic solvents, and serves as an intermediate for numerous chemical derivatives.

2. Product Identification and Technical Data

Property	Information
Product name	Diethylene Glycol (DEG)
Alternative spelling	DEG
Common names	2,2-Oxydiethanol; Diglycol
Chemical formula	C4H10O3
CAS No.	111-46-6
EC No.	203-872-2
Molecular weight	106.12 g/mol
Appearance	Clear, hygroscopic liquid
Odour	Practically odourless
Solubility	Soluble in water and many organic solvents
Packaging	225 kg/drum
Origin shown on packaging	Thailand

2.1. Typical Commercial Specifications

Parameter	Typical reference
Purity	≥ 99.5%
Moisture	Commonly ≤ 0.1%
Specific gravity (20°C)	1.115 – 1.119
Boiling point	242 – 250°C
Flash point	~143°C
Melting point	-10°C
Colour (Pt-Co)	≤ 10
Acidity (as acetic acid)	≤ 50 ppm
Other parameters	According to batch COA

TECHNICAL NOTICE / The values in this document are provided for reference only and do not replace the TDS, SDS or COA. Acceptance must be verified against the documentation of the actual delivered batch.

3. Key Features

• Two hydroxyl groups enable easy esterification, etherification and derivative formation.
• Good hygroscopicity, suitable as a humectant and drying agent in selected processes.
• Excellent solubility in water and many organic compounds.
• Liquid form is easy to pump, dose and blend.
• The 225 kg/drum packaging suits manufacturing and distribution.

4. Applications

4.1. Chemical Production and Intermediates

• Raw material for polyester, polyurethane and thermoplastic resins.
• Production of esters and chemical derivatives from its hydroxyl groups.
• Use in plasticisers and surfactants.
• Raw material for antifreeze and technical fluids.
• Blending in industrial solvent systems.

4.2. Solvent and Humectant Applications

• Solvent in paints, inks, adhesives and cleaning agents.
• Humectant in textile, leather and paper processing.
• Component of antifreeze and cooling fluids.
• Extraction solvent in selected pharmaceutical processes.

4.3. Laboratory and Research

• Laboratory solvent, sample preparation and small-scale organic synthesis.

5. Instructions for Use

• Use according to the technical guidance and recommended parameters of the manufacturer.
• Blend only with materials whose compatibility has been assessed.
• Perform compatibility and small-scale tests before full-scale production.
• Check shelf life, container condition and labels before use.
• Do not mix with incompatible chemicals without a technical assessment.

6. Safety, Storage and Transportation

• Wear gloves, safety goggles and protective clothing when handling DEG.
• Work in a well-ventilated area and avoid prolonged skin and eye contact.
• Store in a dry, cool warehouse; keep drums on pallets and away from direct sunlight.
• Keep containers closed to prevent moisture absorption.
• Separate from strong oxidisers and incompatible chemicals.
• Do not discharge large quantities into drains, surface water or groundwater.
• Protect cargo from rain, secure the load and keep labels intact.
• In case of eye contact, rinse with clean water for at least 15 minutes. If swallowed, do not induce vomiting and seek medical attention.

7. Selection and Acceptance Criteria

• Verify the COA of the actual delivered batch against the technical requirements.
• Check appearance, colour, clarity and visible impurities.
• Check container condition, seals, labels and traceability information.
• Review the SDS for storage and emergency handling.
• Check homogeneity, water-insoluble matter and batch-specific parameters.

8. Frequently Asked Questions