Monoethylene Glycol (MEG)

A colourless, odourless chemical raw material that is miscible with water.

CAS NUMBER107-21-1

CHEMICAL FORMULAC₂H₆O₂

MOLECULAR WEIGHT62.07 g/mol

Packaging, availability and shipping terms are confirmed on request.

PRODUCT INFORMATION / 01

Technical information and product properties

The data below comes from the existing Bölge Kimya product description. It does not replace a batch-specific certificate of analysis.

What is Monoethylene Glycol (MEG)?

Monoethylene glycol is obtained by reacting ethylene oxide with water. It is an odourless, colourless, syrupy liquid that is miscible with water in all proportions.

The existing product information lists 230 kg drums, 1,150 kg IBCs and bulk tanker supply. Confirm current supply terms with our sales team.

Safety and technical suitability

Monoethylene glycol can pose serious health risks if swallowed. Consult the current Safety Data Sheet (SDS) for use, storage and transport decisions. Documents ↗

Basic physical properties

Chemical formula	C₂H₆O₂
CAS No	107-21-1
Molecular weight	62.07 g/mol
Density	1.11 g/cm³
Freezing point	−13 °C
Boiling point (760 mmHg)	197 °C

Monoethylene Glycol – Analysis Table

These values were published on the source product page and must not be treated as a certificate of analysis for a current batch.

Component	Value	Unit
Monoethylene Glycol	Min. 99.8	% by weight
Diethylene Glycol	Max. 0.05	% by weight
Water	Max. 600	mg/kg
Aldehydes (Formaldehyde)	Max. 10	mg/kg
Chloride	Max. 0.5	mg/kg
Ash	Max. 10	mg/kg
Total Iron	Max. 0.1	mg/kg
Acidity (Acetic Acid)	Max. 10	mg/kg

Freezing points of MEG and water mixtures

These mixture ratios are stated on the existing product page; suitability for the intended application must be assessed separately.

Freezing point	Water ratio	MEG ratio
0 °C	%100	—
−5 °C	%86	%14
−10 °C	%77	%23
−15 °C	%70	%30
−20 °C	%63	%37
−25 °C	%59	%41
−30 °C	%55	%45
−35 °C	%51	%49
−40 °C	%48	%52
−45 °C	%44	%56
−50 °C	%41	%59