4-Benzyloxy-1-butanol
4-Benzyloxy-1-butanol (CAS: 4541-14-4), with the molecular formula C6H5CH2O(CH2)4OH and a molecular weight of 180.24 g/mol, is a valuable organic building block. This compound serves as an intermediate in various chemical synthesis pathways, particularly in the development of more complex organic molecules. Its structure features a primary alcohol and a benzyl ether, offering distinct reactivity for synthetic chemists.
- IUPAC
- Tetramethylene glycol monobenzyl ether

Organic Synthesis Intermediate
Utilised as a building block in the synthesis of fine chemicals and pharmaceutical intermediates. The presence of both a hydroxyl group and a benzyl ether allows for selective chemical transformations.
Research and Development
A key reagent in laboratory settings for exploring novel chemical reactions and developing new compounds. It provides a functionalised four-carbon chain with protected hydroxyl functionality.
Material Science Precursor
May be employed in the development of specialised polymers or materials where its unique structure can impart specific properties.
| Molecular weight | 180.24 |
|---|---|
| Linear formula | C6H5CH2O(CH2)4OH |
| Assay | 97% |
| Boiling point | 216-256 °C(lit.) |
| Density | 1.025 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.513(lit.) |

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 | 109 °C / 228.2 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Benzyloxy-1-butanol used for?
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4-Benzyloxy-1-butanol is primarily used as an intermediate in organic synthesis and in research and development for creating more complex molecules.
What are the CAS number and molecular formula for 4-Benzyloxy-1-butanol?
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The CAS number is 4541-14-4 and the molecular formula is C6H5CH2O(CH2)4OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Benzyloxy-1-butanol with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should 4-Benzyloxy-1-butanol be handled safely?
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4-Benzyloxy-1-butanol is classified with Warning signal word and hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, must be used. Handle in a well-ventilated area and avoid breathing vapours.
Is 4-Benzyloxy-1-butanol a controlled substance?
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Based on the provided data, there is no indication that 4-Benzyloxy-1-butanol is a controlled substance.
How is 4-Benzyloxy-1-butanol shipped and exported?
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As a specialist global supplier and exporter since 1998, Tech Serve Solutions adheres to all regulations for the safe packaging, shipping, and export of chemicals like 4-Benzyloxy-1-butanol.
How can I request a sample or quote for 4-Benzyloxy-1-butanol?
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Please contact our sales department or use the online enquiry form to request a sample or a quote for 4-Benzyloxy-1-butanol.
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