cis-2-Butene-1,4-diol
cis-2-Butene-1,4-diol (CAS 6117-80-2) is an acyclic alkene with the molecular formula C4H8O2. This organic building block is valuable in chemical synthesis, particularly for the preparation of heterocyclic compounds and polymers. Its bifunctional nature, with two primary alcohol groups, allows for versatile reactions in organic chemistry. Tech Serve Solutions supplies cis-2-Butene-1,4-diol for research and industrial applications.
- Synonyms
- cis-2-Butene-1,4-diol(Z)-2-Butene-1,4-diolcis-1,4-dihydroxy-2-butene

Synthesis of Heterocyclic Compounds
This diol serves as a key precursor in the synthesis of various heterocyclic compounds. Its structure is conducive to cyclisation reactions, forming rings essential in pharmaceuticals and agrochemicals.
Polymerisation Intermediate
cis-2-Butene-1,4-diol can be utilised in polymerisation processes. It can act as a monomer or co-monomer to create polyesters and polyurethanes with specific properties.
Organic Synthesis Reagent
As a versatile building block, it is employed in complex organic synthesis pathways. Its reactive diol functionality enables diverse chemical transformations.
| Molecular weight | 88.11 |
|---|---|
| Empirical formula | C4H8O2 |
| Assay | 97% |
| Boiling point | 235 °C(lit.) |
| Density | 1.072 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.478(lit.) |
| Melting point | 4-10 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 127 °C / 260.6 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 cis-2-Butene-1,4-diol used for?
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cis-2-Butene-1,4-diol is primarily used as a building block in organic synthesis for creating heterocyclic compounds and as an intermediate in polymerisation reactions.
What are the CAS number and formula for cis-2-Butene-1,4-diol?
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The CAS number for cis-2-Butene-1,4-diol is 6117-80-2, and its molecular formula is C4H8O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-2-Butene-1,4-diol with a minimum assay of 97%. It is supplied as a technical/research grade chemical and is not represented as USP, BP, or EP grade.
How should cis-2-Butene-1,4-diol be handled safely?
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Handling requires caution as it is harmful if swallowed and causes skin and eye irritation, with potential respiratory irritation (H302-H315-H319-H335). Use appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection.
How is cis-2-Butene-1,4-diol packed and shipped?
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cis-2-Butene-1,4-diol is carefully packed according to industry standards to ensure safe transit. Tech Serve Solutions exports this chemical globally.
How can I request a sample or quote for cis-2-Butene-1,4-diol?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number.
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