1,4-Butanediyl diglycidyl ether
1,4-Butanediyl diglycidyl ether (CAS: 2425-79-8), with the molecular formula C10H18O4 and a molecular weight of 202.25 g/mol, is a difunctional epoxide monomer. It is primarily utilised as a reactive diluent and crosslinking agent in epoxy resin formulations, contributing to enhanced flexibility and adhesion. Its chemical structure allows for participation in various polymerisation reactions, making it valuable in coatings, adhesives, and composite materials.
- IUPAC
- Araldite® RD-2
- Synonyms
- 1,4-Bis(glycidyloxy)butaneButanediol diglycidyl ether1,2-Epoxy-4-(oxiranylmethoxy)butaneDiglycidyl 1,4-butanediol ether

Epoxy Resin Modification
As a reactive diluent, 1,4-Butanediyl diglycidyl ether can reduce the viscosity of epoxy resin systems, improving handling and application properties. It also acts as a crosslinker, increasing the mechanical strength and chemical resistance of the cured polymer.
Coatings and Adhesives
Its incorporation into coatings enhances flexibility and impact resistance. In adhesive formulations, it promotes good bonding to various substrates and improves overall durability.
Composite Materials
It serves as a component in the matrix of composite materials, contributing to the structural integrity and performance characteristics of the final product.
Chemical Synthesis
This compound can function as a building block in organic synthesis, participating in reactions typical of epoxides to create more complex molecules.
| Molecular weight | 202.25 |
|---|---|
| Empirical formula | C10H18O4 |
| Assay | ≥95.0% (GC) |
| Grade | purum |
| Boiling point | 155-160 °C/11 mmHg |
| Density | 1.05 g/mL(lit.) |
| Refractive index | n20/D 1.453 |
| Vapour pressure | ~10 mmHg (20 °C) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- 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 | 140 °C / 284 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21-22-36/38-43-52/53 |
| Safety statements (S) | 26-28-37/39 |
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 1,4-Butanediyl diglycidyl ether used for?
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1,4-Butanediyl diglycidyl ether is primarily used as a reactive diluent and crosslinking agent in epoxy resin formulations for coatings, adhesives, and composite materials. It also serves as a building block in chemical synthesis.
What are the CAS number and molecular formula for 1,4-Butanediyl diglycidyl ether?
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The CAS number is 2425-79-8 and the molecular formula is C10H18O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,4-Butanediyl diglycidyl ether in 'purum' grade with an assay of ≥95.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should 1,4-Butanediyl diglycidyl ether be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, face shields, and gloves. It is harmful if swallowed, inhaled, or in contact with skin, causes skin irritation, may cause an allergic skin reaction, and causes serious eye irritation. It is also harmful to aquatic life with long-lasting effects. Ensure adequate ventilation or use a respirator. Refer to the Safety Data Sheet for comprehensive information.
Is 1,4-Butanediyl diglycidyl ether a controlled substance?
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Based on the provided data, 1,4-Butanediyl diglycidyl ether is not indicated as a controlled substance.
How is 1,4-Butanediyl diglycidyl ether packed and shipped?
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Products are packed and exported by Tech Serve Solutions in compliance with all relevant shipping regulations for chemical substances.
How can I request a sample or quote for 1,4-Butanediyl diglycidyl ether?
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To request a sample or obtain a quote, please contact the Tech Serve Solutions sales team via the website or your designated representative.
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