Triethylene glycol monomethyl ether
Triethylene glycol monomethyl ether (CAS: 112-35-6, Formula: CH3(OCH2CH2)3OH, MW: 164.20) is a non-ionic glycol ether supplied by Tech Serve Solutions. Characterised by its excellent solvency and high boiling point, this compound is a versatile solvent and intermediate. It finds utility in various industrial applications, including its use as a component in detergents, and as a building block in organic synthesis, contributing to the development of advanced chemical processes.
- IUPAC
- Methyltriglycol
- Synonyms
- Methyltriglycol

Solvent Applications
Triethylene glycol monomethyl ether serves as an effective solvent for resins, dyes, and oils due to its polarity and miscibility with water and organic solvents. It is particularly useful in formulations where slow evaporation and good solvency are required.
Detergent Formulations
As a non-ionic detergent component, this glycol ether contributes to the cleaning power and emulsifying properties of various detergent formulations. Its ability to reduce surface tension makes it valuable in industrial and household cleaning products.
Chemical Synthesis Intermediate
This compound acts as a valuable building block in organic synthesis, enabling the introduction of a hydrophilic ether chain into larger molecules. It is used in the production of various fine chemicals and specialty materials.
Industrial Cleaning Agent
Its solvency and wetting properties make it suitable for use in specialised industrial cleaning applications, helping to dissolve greases, oils, and other stubborn contaminants.
| Molecular weight | 164.20 |
|---|---|
| Linear formula | CH3(OCH2CH2)3OH |
| Assay | ≥97.0% (GC) |
| Grade | purum |
| Boiling point | 122 °C/10 mmHg(lit.) |
| Density | 1.026 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.439(lit.)n20/D 1.439 |
| Vapour pressure | <0.01 mmHg (20 °C) |
| Vapour density | 5.66 (vs air) |
| Impurities tested | ~2% corresponding tetraethylene glycol ethers~2% each of the corresponding diethylene glycol methyl ether |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | non-ionic |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Triethylene glycol monomethyl ether used for?
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Triethylene glycol monomethyl ether (CAS: 112-35-6) is used as a solvent in various industrial applications, a component in detergent formulations, and as an intermediate in chemical synthesis.
What is the CAS number and formula for Triethylene glycol monomethyl ether?
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The CAS number is 112-35-6 and the molecular formula is CH3(OCH2CH2)3OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triethylene glycol monomethyl ether in Purum grade with an assay of ≥97.0% (GC). We do not represent this product as USP, BP, or EP grade.
What are the primary safety concerns when handling Triethylene glycol monomethyl ether?
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When handling Triethylene glycol monomethyl ether, it is recommended to wear eyeshields and gloves. The flash point is 110 °C (230 °F).
How is Triethylene glycol monomethyl ether packed, shipped, and exported?
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Tech Serve Solutions handles and exports chemicals with stringent quality control and adherence to international shipping regulations. Specific packaging details are available upon request.
How can I request a quote or sample of Triethylene glycol monomethyl ether?
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To request a quote or sample, please contact our sales department via the website or by calling us directly. Our team will be happy to assist you with your inquiry.
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