Tetra(ethylene glycol) diacrylate

CAS 17831-71-9(H2C=CHCO2CH2CH2OCH2CH2)2OChemical Synthesis

Tetra(ethylene glycol) diacrylate (CAS: 17831-71-9) is a difunctional acrylate monomer with a molecular weight of 302.32 g/mol. Characterised by its two acrylate groups and an ether linkage, it serves as a versatile crosslinking agent in polymer synthesis and UV-curable formulations. Its properties lend themselves to applications requiring flexibility and adhesion, making it valuable in coatings, adhesives, and biomaterial development.

IUPAC: TTEGDA

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Tetra(ethylene glycol) diacrylate ((H2C=CHCO2CH2CH2OCH2CH2)2O) — chemical structure, CAS 17831-71-9; Chemistry, fine chemical supplied by Tech Serve Solutions

AcrylateBiomaterialsBuilding BlocksC12 to C63Carbonyl CompoundsChemical SynthesisCrosslinking AgentsEstersHomobifunctional PEGsMaterials Science

01 /Applications

UV-Curable Coatings and Inks

This diacrylate functions as a reactive diluent and crosslinker in UV-curable coatings, inks, and varnishes, contributing to fast curing speeds and enhanced film properties like hardness and chemical resistance.

Adhesives and Sealants

Its ability to polymerise rapidly under UV light makes it suitable for use in UV-curable adhesives and sealants, offering strong bonding capabilities for various substrates in industrial and electronic applications.

Biomaterials and Hydrogels

As a homobifunctional polyethylene glycol (PEG) derivative, it is employed in the synthesis of hydrogels and biocompatible materials for drug delivery systems, tissue engineering scaffolds, and medical devices.

Polymer Synthesis

Tetra(ethylene glycol) diacrylate acts as a crosslinking agent in the synthesis of various polymers, modifying their mechanical properties, thermal stability, and solvent resistance for advanced material applications.

02 /Properties

Molecular weight	302.32
Linear formula	(H2C=CHCO2CH2CH2OCH2CH2)2O
Grade	technical grade
Density	1.11 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.465(lit.)
Contains / stabiliser	100-150 ppm HQ as inhibitor150-200 ppm MEHQ as inhibitor

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage

Precautionary statements

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 1760 8 / PGII
Water hazard class (WGK, DE)	2
Hazard codes (EU)	C
Risk statements (R)	22-34
Safety statements (S)	26-27-28-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

17831-71-9

MDL number

MFCD00008630

PubChem substance

24864768

05 /Quality & supply

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.

06 /Frequently asked questions

What is Tetra(ethylene glycol) diacrylate used for?

Tetra(ethylene glycol) diacrylate is primarily used as a crosslinking agent in UV-curable coatings, inks, adhesives, and biomaterials. It is also utilized in polymer synthesis to modify material properties.

What are the CAS number and formula for Tetra(ethylene glycol) diacrylate?

The CAS number for Tetra(ethylene glycol) diacrylate is 17831-71-9, and its linear formula is (H2C=CHCO2CH2CH2OCH2CH2)2O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Tetra(ethylene glycol) diacrylate in technical grade. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.

How should Tetra(ethylene glycol) diacrylate be handled safely?

Tetra(ethylene glycol) diacrylate is classified as dangerous. It causes severe skin burns and eye damage (H314) and is harmful if swallowed (H302). Always wear appropriate personal protective equipment, including gloves, goggles, and protective clothing, and handle in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive handling information.