tert-Butyl 4-hydroxybutyrate
tert-Butyl 4-hydroxybutyrate (CAS 59854-12-5) is a valuable chemical intermediate with the molecular formula HOCH2CH2CH2COOC(CH3)3 and a molecular weight of 160.21 g/mol. This bifunctional compound, featuring both a hydroxyl group and a tert-butyl ester, serves as a versatile building block in organic synthesis. Its utility spans various chemical applications, particularly where controlled reactivity or specific ester protection is required.

Organic Synthesis Intermediate
tert-Butyl 4-hydroxybutyrate is employed as a key intermediate in the synthesis of more complex organic molecules. The presence of both hydroxyl and ester functionalities allows for selective reactions and modifications.
Bifunctional Linker Precursor
This compound can be a precursor for creating bifunctional linkers. The hydroxyl group can be functionalized, while the tert-butyl ester can be cleaved under specific conditions, enabling its use in multi-step syntheses.
Chemical Biology Research
In chemical biology, it can serve as a building block for synthesizing probes or modified biomolecules. Its structure allows for the introduction of specific chemical moieties into biological systems for study.
| Molecular weight | 160.21 |
|---|---|
| Linear formula | HOCH2CH2CH2COOC(CH3)3 |
| Assay | ≥95.0% (GC) |
| Density | 0.976 g/mL at 20 °C |
| Refractive index | n20/D 1.431 |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- 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 | >70 °C / >158 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 tert-Butyl 4-hydroxybutyrate used for?
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tert-Butyl 4-hydroxybutyrate is primarily used as an intermediate in organic synthesis, a precursor for bifunctional linkers, and in chemical biology research. Its dual hydroxyl and ester functionalities make it a versatile building block.
What is the CAS number and chemical formula for tert-Butyl 4-hydroxybutyrate?
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The CAS number for tert-Butyl 4-hydroxybutyrate is 59854-12-5. Its linear formula is HOCH2CH2CH2COOC(CH3)3.
What grade and purity does Tech Serve Solutions supply for tert-Butyl 4-hydroxybutyrate?
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Tech Serve Solutions supplies tert-Butyl 4-hydroxybutyrate with an assay of ≥95.0% (GC). We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should tert-Butyl 4-hydroxybutyrate be handled safely?
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tert-Butyl 4-hydroxybutyrate is classified with GHS07 and a Warning signal word. It carries hazard statements H302 (Harmful if swallowed) and H319 (Causes serious eye irritation). Appropriate personal protective equipment, including eyeshields and gloves, is recommended. Refer to the safety data sheet for comprehensive handling information.
How is tert-Butyl 4-hydroxybutyrate packed, shipped, and exported?
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As a global supplier and exporter of fine chemicals since 1998, Tech Serve Solutions ensures appropriate packaging and adherence to all shipping and export regulations for tert-Butyl 4-hydroxybutyrate.
How can I request a sample or quote for tert-Butyl 4-hydroxybutyrate?
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To request a sample or a quote for tert-Butyl 4-hydroxybutyrate, please contact our sales team through the website or by phone.
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