β-Hydroxyisovaleric acid
β-Hydroxyisovaleric acid (CAS 625-08-1, C5H10O3) is a versatile organic compound with a molecular weight of 118.13 g/mol. As a carboxylic acid and a building block, it finds utility in various chemical syntheses and research applications. Its properties make it a valuable intermediate in organic chemistry and biochemistry research, contributing to advancements in cell biology and nutrition studies.
- IUPAC
- 3-Hydroxy-3-methylbutyric acid

Organic Synthesis
Utilised as a key building block in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations.
Biochemical Research
A component in studies related to cell biology and nutrition research. It serves as a valuable tool for investigating metabolic pathways.
Pharmaceutical Intermediates
Can serve as an intermediate in the development of pharmaceutical compounds. Its structure is amenable to modifications for drug discovery.
| Molecular weight | 118.13 |
|---|---|
| Empirical formula | C5H10O3 |
| Assay | ≥95.0% (T) |
| Boiling point | 88 °C/1 mmHg(lit.) |
| Density | 0.938 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4415(lit.) |
| Melting point | −80 °C(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 | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3334 |
| 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 β-Hydroxyisovaleric acid used for?
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β-Hydroxyisovaleric acid is used as a building block in organic synthesis, in biochemical research, and as a potential intermediate in pharmaceutical development.
What is the CAS number and formula for β-Hydroxyisovaleric acid?
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The CAS number is 625-08-1 and the empirical formula is C5H10O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies β-Hydroxyisovaleric acid with a purity of ≥95.0% (T). TSS does not represent this product as USP, BP, EP, or for pharmaceutical, nutraceutical, or food use.
How should β-Hydroxyisovaleric acid be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation or use a suitable respirator, as the compound is irritating to the skin, eyes, and respiratory system (H315-H319-H335).
How is β-Hydroxyisovaleric acid packed and exported?
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Products are carefully packed for safe handling and global export, adhering to international shipping regulations for chemical compounds.
How can I request a sample or quote for β-Hydroxyisovaleric acid?
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Please contact our sales team via the website or email to request a sample or a detailed quotation.
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