Isovaleraldehyde
Isovaleraldehyde (CAS 590-86-3), with the linear formula (CH3)2CHCH2CHO and a molecular weight of 86.13, is a C5 aldehyde. This compound exhibits a characteristic odour and is a versatile building block in organic synthesis. It finds applications as an intermediate in the production of fragrances, flavours, and pharmaceuticals. Isovaleraldehyde is supplied by TSS in a purum grade with an assay of 97%.
- IUPAC
- 3-Methylbutyraldehyde,3-Methylbutanal,NSC 404119
- Synonyms
- 3-Methylbutyraldehyde3-MethylbutanalNSC 404119

Fragrance and Flavour Intermediate
Isovaleraldehyde is utilised as a precursor in the synthesis of various aroma chemicals, contributing to the development of specific scent and taste profiles in consumer products.
Pharmaceutical Synthesis
This aldehyde serves as a key building block in the multi-step synthesis of active pharmaceutical ingredients (APIs), enabling the construction of complex molecular structures.
Organic Synthesis Reagent
As a reactive carbonyl compound, isovaleraldehyde is employed in various organic transformations and as a starting material for the creation of diverse chemical entities.
| Molecular weight | 86.13 |
|---|---|
| Linear formula | (CH3)2CHCH2CHO |
| Assay | 97% |
| Grade | purum |
| Boiling point | 90 °C(lit.) |
| Density | 0.803 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.388(lit.) |
| Solubility | alcohol: misciblediethyl ether: misciblewater: slightly soluble |
| Vapour pressure | 30 mmHg (20 °C) |
| Vapour density | 2.96 (vs air) |
| Autoignition temp | 464 °F |
| Storage temperature | 2-8°C |



Hazard statements
- H225Highly flammable liquid and vapour
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- 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 | -5 °C / 23 °Fn20/D 1.388 |
| Transport (UN / ADR) | UN 1989BE 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37-43 |
| Safety statements (S) | 9-16-24-26-37 |
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 Isovaleraldehyde used for?
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Isovaleraldehyde is used as an intermediate in the synthesis of fragrances, flavours, and pharmaceuticals, and as a versatile building block in organic synthesis.
What is the CAS number and formula for Isovaleraldehyde?
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The CAS number for Isovaleraldehyde is 590-86-3 and its linear formula is (CH3)2CHCH2CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isovaleraldehyde in a purum grade with an assay of 97%.
How should Isovaleraldehyde be handled safely?
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Isovaleraldehyde is a highly flammable liquid and vapour (H225). It can cause skin irritation (H317), serious eye irritation (H319), and respiratory irritation (H335). It is also toxic to aquatic life with long-lasting effects (H411). Ensure adequate ventilation, wear appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator, and keep away from heat, sparks, and open flames.
How is Isovaleraldehyde packed, shipped, and exported?
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Isovaleraldehyde is packed in compliance with international regulations for hazardous materials. TSS expertly handles the export of this chemical globally.
How can I request a sample or quote for Isovaleraldehyde?
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To request a sample or obtain a quote for Isovaleraldehyde, please contact the TSS sales team via the website or by phone.
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