Tri(ethylene glycol) bis(chloroformate)
Tri(ethylene glycol) bis(chloroformate) (CAS: 17134-17-7) is a reactive homobifunctional crosslinker with a molecular weight of 275.08 g/mol. This chemical features two chloroformate groups, making it valuable for forming carbonate linkages. It is primarily utilised in polymer science and materials science for polymer modification, synthesis, and the creation of advanced materials. Its specific structure allows for controlled reactions in various chemical syntheses.

Polymer Synthesis and Modification
Tri(ethylene glycol) bis(chloroformate) acts as a versatile crosslinking agent. It can be employed to create new polymer architectures or to modify existing polymers by introducing specific functional groups via carbonate linkages, thereby altering material properties.
Materials Science
This compound finds application in the development of novel materials. Its ability to react with hydroxyl-containing substrates makes it suitable for surface functionalization and the construction of specialised polymer networks with tailored characteristics.
Organic Synthesis
As a homobifunctional reagent, it is useful in organic synthesis for creating symmetrical molecules or for linking two distinct molecular entities through ester or carbonate bonds. Its reactivity profile is key to its synthetic utility.
| Molecular weight | 275.08 |
|---|---|
| Linear formula | (ClCO2CH2CH2OCH2)2 |
| Assay | 97% |
| Density | 1.34 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.457(lit.) |
| Vapour pressure | 0.09 psi (20 °C) |
| Storage temperature | 2-8°C |


Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H331Toxic if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3277 8(6.1) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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 Tri(ethylene glycol) bis(chloroformate) used for?
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Tri(ethylene glycol) bis(chloroformate) is used in polymer synthesis, polymer modification, and materials science as a homobifunctional crosslinking agent to form carbonate linkages.
What is the CAS number and formula for Tri(ethylene glycol) bis(chloroformate)?
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The CAS number is 17134-17-7 and the linear formula is (ClCO2CH2CH2OCH2)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tri(ethylene glycol) bis(chloroformate) with a minimum purity of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Tri(ethylene glycol) bis(chloroformate) be handled safely?
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This compound is dangerous and requires careful handling. It is corrosive and toxic if swallowed, in contact with skin, or if inhaled. Always wear appropriate personal protective equipment, including a faceshield, gloves, and goggles, and work in a well-ventilated area or use a suitable respirator.
How is Tri(ethylene glycol) bis(chloroformate) packed, shipped, and exported?
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Tech Serve Solutions handles all packing, shipping, and export requirements with adherence to international regulations. Specific details for UN 3277, Class 8(6.1), PG II shipments can be provided upon request.
How can I request a quote or sample for Tri(ethylene glycol) bis(chloroformate)?
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To request a quote or a sample of Tri(ethylene glycol) bis(chloroformate), please contact our sales team through the website or by phone. We are happy to assist with your specific requirements.
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