Isobutyl isovalerate
Isobutyl isovalerate (CAS: 589-59-3), with the molecular formula C9H18O2 and a molecular weight of 158.24 g/mol, is an ester with a characteristic fruity aroma. It is primarily utilised as a chemical building block in organic synthesis and finds applications in areas such as cell biology and nutrition research. Its presence has also been noted in natural sources like chamomile tea, highlighting its role in phytochemical studies.
- IUPAC
- 2-Methylpropyl 3-methylbutyrate,Isobutyl 3-methyl butyrate

Organic Synthesis
Isobutyl isovalerate serves as a valuable building block in the synthesis of more complex organic molecules. Its ester functional group allows for various chemical transformations.
Flavor and Fragrance Research
Due to its fruity scent, this compound is investigated for its potential applications in the flavor and fragrance industry. It can be used as a reference standard or a component in analytical studies.
Phytochemical Analysis
Identified in natural sources such as Chamaemelum nobile (chamomile tea), isobutyl isovalerate is used in the study of plant-derived compounds and their properties.
Cell Biology Research
As a chemical entity, it is employed in cell biology research, potentially as a reagent or standard in various experimental assays.
| Molecular weight | 158.24 |
|---|---|
| Empirical formula | C9H18O2 |
| Assay | ≥98.0% (GC) |
| Refractive index | n20/D 1.406 |

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 |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| 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 Isobutyl isovalerate used for?
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Isobutyl isovalerate is used as a building block in organic synthesis, in flavour and fragrance research, for phytochemical analysis, and in cell biology studies.
What is the CAS number and molecular formula for Isobutyl isovalerate?
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The CAS number for Isobutyl isovalerate is 589-59-3, and its molecular formula is C9H18O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isobutyl isovalerate with a purity of ≥98.0% (GC). We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for Isobutyl isovalerate?
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Isobutyl isovalerate is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate PPE, including eyeshields and gloves, and adequate ventilation are recommended. Consult the Safety Data Sheet for detailed handling information.
How is Isobutyl isovalerate packed and shipped?
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Tech Serve Solutions exports Isobutyl isovalerate globally. Packing is done in compliance with relevant shipping regulations to ensure safe transport.
How can I request a sample or quote for Isobutyl isovalerate?
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To request a sample or a quote for Isobutyl isovalerate, please contact our sales team through the website or by phone.
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