cis-4-Benzyloxy-2-buten-1-ol
cis-4-Benzyloxy-2-buten-1-ol (CAS: 81028-03-7) is an organic building block with the linear formula C6H5CH2OCH2CH=CHCH2OH and a molecular weight of 178.23 g/mol. This acyclic alkene is primarily utilised as a chemical intermediate in organic synthesis. Its defined structure makes it a valuable component for constructing more complex molecules in research and development settings.
- IUPAC
- cis-2-Buten-1,4-diol-monobenzyl ether
- Synonyms
- cis-2-Buten-1,4-diol-monobenzyl ether

Organic Synthesis Intermediate
Utilised as a versatile building block in multi-step organic synthesis pathways. Its functional groups allow for diverse chemical transformations.
Research and Development
Employed in laboratory settings for the exploration of new chemical entities and reaction methodologies. Useful for developing novel compounds in academic and industrial research.
Specialty Chemical Manufacturing
Serves as a precursor or intermediate in the production of fine chemicals and complex organic molecules. Contributes to the synthesis of niche chemical products.
| Molecular weight | 178.23 |
|---|---|
| Linear formula | C6H5CH2OCH2CH=CHCH2OH |
| Assay | ≥97.0% (GC) |
| Boiling point | 105-108 °C/0.1 mmHg(lit.) |
| Density | 1.058 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.534(lit.)n20/D 1.535 |
| Storage temperature | 2-8°C |

Hazard statements
- 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, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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-4-Benzyloxy-2-buten-1-ol used for?
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cis-4-Benzyloxy-2-buten-1-ol is primarily used as an intermediate in organic synthesis and in research and development for creating novel compounds.
What are the CAS number and formula for cis-4-Benzyloxy-2-buten-1-ol?
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The CAS number is 81028-03-7 and the linear formula is C6H5CH2OCH2CH=CHCH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-4-Benzyloxy-2-buten-1-ol with an assay of ≥97.0% (GC). TSS does not represent this product as USP, BP, or EP grade.
How should cis-4-Benzyloxy-2-buten-1-ol be handled?
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Handle with care, wearing appropriate personal protective equipment including eyeshields and gloves. Ensure good ventilation and avoid inhalation of vapours. Refer to the safety data sheet for full details. It is classified with H315, H319, and H335 hazards.
Does Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including cis-4-Benzyloxy-2-buten-1-ol.
How can I request a sample or quote for cis-4-Benzyloxy-2-buten-1-ol?
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Please contact our sales team via the website or direct inquiry to request a sample or obtain a quote for cis-4-Benzyloxy-2-buten-1-ol.
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