Isobutyl alcohol
Isobutyl alcohol (CAS 78-83-1), a primary alcohol with the linear formula (CH₃)₂CHCH₂OH, presents as a clear, colourless liquid. It is recognised for its role as an organic solvent and a crucial intermediate in chemical synthesis. With a molecular weight of 74.12 g/mol, this compound is widely employed in the production of esters, flavourings, and as a component in lacquers and solvents, underpinning various industrial and laboratory applications.
- IUPAC
- 2-Methyl-1-propanol,Isobutanol,Isobutyl alcohol
- Synonyms
- 2-Methyl-1-propanolIsobutanolIsobutyl alcohol
Solvent Applications
Isobutyl alcohol serves as a versatile solvent in the formulation of paints, lacquers, and coatings due to its solvency properties for resins and oils. It is also utilised in extraction processes and as a component in cleaning solutions.
Chemical Synthesis Intermediate
It functions as a key building block in organic synthesis for the production of various chemical compounds. It is particularly important in the manufacturing of isobutyl esters, which are used as flavourings and fragrances.
Flavour and Fragrance Industry
Isobutyl alcohol is a precursor to various esters, such as isobutyl acetate and isobutyl propionate, which impart fruity aromas and are used in food flavourings and perfumes.
Laboratory Reagent
As an ACS reagent grade chemical, it is suitable for use in analytical and research laboratories for various chemical procedures and studies.
| Molecular weight | 74.12 |
|---|---|
| Linear formula | (CH3)2CHCH2OH |
| Assay | ≥99.0% |
| Grade | ACS reagent |
| Boiling point | 108 °C(lit.) |
| Density | 0.803 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.396(lit.) |
| Melting point | −108 °C(lit.) |
| Vapour pressure | 8 mmHg (20 °C)8.8 mmHg (0 °C) |
| Vapour density | 2.55 (vs air) |
| Autoignition temp | 801 °F |
| Impurities tested | DNases, none detectedRNases, none detectedinsoluble matter, passes filter testphosphatases, none detectedproteases, none detected≤0.001% peroxides (as H2O2)≤0.005% free acid (as C3H7CHO)≤0.01% aldehyde (as C3H7CHO)≤0.01% ketone (as CH3COCH3)≤0.1% water |
Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
- H336May cause drowsiness or dizziness
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 filter8.8 mmHg (0 °C) |
|---|---|
| Flash point | 28 °C / 82.4 °F |
| Transport (UN / ADR) | UN 1212 3 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-37/38-41-67 |
| Safety statements (S) | 7/9-13-26-37/39-46 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 10.6 % |
|---|---|
| Evapn Residue | ≤0.001% |
| Uv Absorption | λ: 260 nm Amax: 0.10λ: 280 nm Amax: 0.06 |
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 alcohol used for?
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Isobutyl alcohol is used as a solvent in paints and lacquers, as an intermediate in chemical synthesis (especially for esters used in flavours and fragrances), and as a laboratory reagent.
What is the CAS number and formula for Isobutyl alcohol?
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The CAS number for Isobutyl alcohol is 78-83-1, and its linear formula is (CH₃)₂CHCH₂OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isobutyl alcohol in ACS reagent grade with an assay of ≥99.0%.
How should Isobutyl alcohol be handled?
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Isobutyl alcohol is flammable and can cause skin irritation, serious eye damage, and respiratory irritation. Handle in a well-ventilated area, away from ignition sources, wearing appropriate personal protective equipment including gloves, safety glasses, and face shields.
Is Isobutyl alcohol a controlled substance?
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Based on the provided data, Isobutyl alcohol is not listed as a controlled substance.
How is Isobutyl alcohol shipped and exported?
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Isobutyl alcohol is shipped and exported under UN 1212, Class 3, Packing Group III regulations. Tech Serve Solutions handles all aspects of international shipping and export documentation.
How can I request a sample or quote for Isobutyl alcohol?
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To request a sample or obtain a quote for Isobutyl alcohol, please contact the Tech Serve Solutions sales team through our website or by phone.
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