Diethyleneglycol diacetate
Diethyleneglycol diacetate (CAS: 628-68-2) is an organic ester with the linear formula (H3CCO2CH2CH2)2O and a molecular weight of 190.19 g/mol. This compound serves as a versatile building block in chemical synthesis. It is particularly useful in applications involving carbonyl compounds and esters, contributing to the creation of more complex organic molecules in research and industrial settings.
- IUPAC
- 2,2′-Oxybisethanol diacetate,Bis(2-acetoxyethyl) ether,Oxydiethylene acetate
- Synonyms
- 2,2′-Oxybisethanol diacetateBis(2-acetoxyethyl) etherOxydiethylene acetate

Organic Synthesis Intermediate
Diethyleneglycol diacetate functions as a valuable intermediate in organic synthesis. Its ester functionalities allow for various chemical transformations, making it suitable for building more complex molecular structures.
Reagent in Carbonyl Chemistry
As a compound containing carbonyl groups, it can participate in reactions characteristic of these functional groups. This makes it a useful reagent for chemists working with carbonyl-based synthetic pathways.
Ester-based Formulations
The ester nature of Diethyleneglycol diacetate lends itself to potential applications in formulations where ester properties are desired. This could include use as a plasticizer or solvent in specific industrial contexts.
| Molecular weight | 190.19 |
|---|---|
| Linear formula | (H3CCO2CH2CH2)2O |
| Assay | 97% |
| Density | 1.101 g/mL at 25 °C |
| Refractive index | n20/D 1.431 |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Diethyleneglycol diacetate used for?
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Diethyleneglycol diacetate is primarily used as a building block in organic synthesis and as a reagent in carbonyl chemistry. It is also explored for applications in ester-based formulations.
What is the CAS number and chemical formula for Diethyleneglycol diacetate?
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The CAS number for Diethyleneglycol diacetate is 628-68-2 and its linear formula is (H3CCO2CH2CH2)2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethyleneglycol diacetate with an assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Diethyleneglycol diacetate be handled safely?
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Diethyleneglycol diacetate is classified as a Warning with hazard statement H319 (Causes serious eye irritation). Appropriate personal protective equipment includes eyeshields and chemical-resistant gloves. Handle in a well-ventilated area and consult the Safety Data Sheet for detailed handling procedures.
How is Diethyleneglycol diacetate packed, shipped, and exported?
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Diethyleneglycol diacetate is carefully packed to ensure safe transport and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample of Diethyleneglycol diacetate?
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To request a quote or sample of Diethyleneglycol diacetate, please contact our sales team through the website or by phone, referencing product code 628-68-2.
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