Diethylene glycol monooctyl ether
Diethylene glycol monooctyl ether (CAS 19327-37-8), with the linear formula CH3(CH2)7(OCH2CH2)2OH, is a non-ionic chemical compound with a molecular weight of 218.33. Supplied by Tech Serve Solutions with an assay of ≥98.0% (GC), it functions primarily as a detergent and emulsifying agent. Its physical properties include a refractive index of n20/D 1.441 and a density of 0.919 g/mL at 20°C. This compound is suitable for various industrial and research applications.
- IUPAC
- 2-(2-Octyloxyethoxy)ethanol,C8E2,Octyldiglycol
- Synonyms
- 2-(2-Octyloxyethoxy)ethanolOctyldiglycolC8E2

Detergent Formulations
Utilised as a non-ionic surfactant, Diethylene glycol monooctyl ether aids in the formulation of cleaning products and industrial detergents due to its emulsifying properties.
Emulsifying Agent
Its amphiphilic nature allows it to stabilise mixtures of immiscible liquids, making it effective in various emulsion applications across different industries.
Laboratory Reagent
This chemical serves as a valuable reagent in research and development settings for studies involving surfactants and amphiphilic compounds.
| Molecular weight | 218.33 |
|---|---|
| Linear formula | CH3(CH2)7(OCH2CH2)2OH |
| Assay | ≥98.0% (GC) |
| Density | 0.919 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.441 |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Cation traces | Ca: ≤50 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgCr: ≤50 mg/kgCu: ≤50 mg/kgFe: ≤50 mg/kgK: ≤50 mg/kgMg: ≤50 mg/kgMn: ≤50 mg/kgNa: ≤50 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
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 Diethylene glycol monooctyl ether used for?
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Diethylene glycol monooctyl ether is primarily used as a non-ionic detergent and emulsifying agent in various industrial and laboratory applications.
What are the CAS number and chemical formula for Diethylene glycol monooctyl ether?
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The CAS number is 19327-37-8 and the linear chemical formula is CH3(CH2)7(OCH2CH2)2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethylene glycol monooctyl ether with an assay of ≥98.0% (GC). This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling requirements for Diethylene glycol monooctyl ether?
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Appropriate personal protective equipment, including eyeshields and gloves, should be used when handling Diethylene glycol monooctyl ether. It has a WGK Germany rating of 3, indicating it is hazardous to water.
How is Diethylene glycol monooctyl ether shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Diethylene glycol monooctyl ether, adhering to all relevant shipping and export regulations.
How can I request a quote or sample for Diethylene glycol monooctyl ether?
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To request a quote or sample, please contact the Tech Serve Solutions sales team through our official website or contact details provided.
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