1,2-Bis(2-chloroethoxy)ethane
1,2-Bis(2-chloroethoxy)ethane (CAS 112-26-5), with the linear formula ClCH2CH2OCH2CH2OCH2CH2Cl and a molecular weight of 187.06 g/mol, is an organic compound utilised in chemical synthesis. This ether derivative serves as a building block in the creation of more complex molecules. Its properties lend themselves to specific organic synthesis pathways, making it a valuable reagent for researchers and industrial chemists. Tech Serve Solutions offers this chemical with an assay of 97%.
- IUPAC
- ‘Triglycol dichloride’,Dichlorotriethylene dioxide,Tri(ethylene glycol) dichloride
- Synonyms
- ClCH2CH2OCH2CH2OCH2CH2ClTri(ethylene glycol) dichlorideDichlorotriethylene dioxideTriglycol dichloride

Organic Synthesis Intermediate
1,2-Bis(2-chloroethoxy)ethane functions as a key intermediate in various organic synthesis routes. Its structure allows for specific chemical modifications and incorporation into larger molecular frameworks.
Synthesis of Imidazolium Salts
This compound has been documented for its use in the synthesis of specific ionic liquids, such as 1,1′-[1,2-ethanediylbis(oxy-1,2-ethanediyl)]bis[3-methyl-1H-imidazolium-1-yl] chloride.
Building Block for Specialty Chemicals
As an organic building block, it is employed in the construction of specialty chemicals and complex organic molecules where precise structural elements are required.
| Molecular weight | 187.06 |
|---|---|
| Linear formula | ClCH2CH2OCH2CH2OCH2CH2Cl |
| Assay | 97% |
| Boiling point | 235 °C(lit.) |
| Density | 1.197 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.461(lit.) |
| Application | 1,2-bis(2-chloroethoxy)ethane was used in the synthesis of 1,1′-[1,2-ethanediylbis(oxy-1,2-ethanediyl)]bis[3-methyl-1H-imidazolium-1-yl] chloride1. |


Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 121 °C / 249.8 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 19-21/22-37/38-41 |
| Safety statements (S) | 26-36/37/39 |
| Supplemental hazards | May form explosive peroxides. |
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 1,2-Bis(2-chloroethoxy)ethane used for?
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1,2-Bis(2-chloroethoxy)ethane is used as a building block and intermediate in organic synthesis, including the preparation of specific imidazolium salts.
What are the CAS number and formula for 1,2-Bis(2-chloroethoxy)ethane?
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The CAS number is 112-26-5, and its linear formula is ClCH2CH2OCH2CH2OCH2CH2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2-Bis(2-chloroethoxy)ethane with a purity of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated.
How should 1,2-Bis(2-chloroethoxy)ethane be handled?
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Handle with appropriate personal protective equipment, including eyeshields, face shields, and gloves. Ensure adequate ventilation. May form explosive peroxides. Refer to the Safety Data Sheet for detailed handling instructions.
Is 1,2-Bis(2-chloroethoxy)ethane a controlled substance?
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The provided data does not indicate that 1,2-Bis(2-chloroethoxy)ethane is a controlled substance.
How is 1,2-Bis(2-chloroethoxy)ethane packed and shipped?
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1,2-Bis(2-chloroethoxy)ethane is packed and shipped according to international regulations for hazardous materials, including UN 2810, Class 6.1, Packing Group III.
How can I request a sample or quote for 1,2-Bis(2-chloroethoxy)ethane?
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To request a sample or quote, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number (112-26-5).
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