2-methyl-1-propanol (CAS 78-83-1) is a colorless and transparent organic compound with a special alcohol-like odor. It is a liquid at room temperature, with a boiling point of about 108 °C. It is miscible with a variety of solvents such as water, ethanol and ether. As an important chemical raw material, isobutanol has a wide range of applications in industrial production.
Basic Information Of 2-methyl-1-propanol (CAS 78-83-1)
- Name: isobutanol; 2-Methyl-1-propanol;Isobutyl alcohol
- Chemical Formula: C4H10O
- Molecular Weight: 74.122
- CAS Registry Number: 78-83-1
- EINECS Registry Number: 201-148-0
Physical Properties of 2-methyl-1-propanol (isobutyl alcohol)
- Appearance: colorless transparent liquid with special odor.
- Melting point: -108°C
- Boiling point: 107.9°C
- Density: 0.803g/cm³
- Flash point: 27.8°C
- Refractive index: 1.393
- Solubility: Slightly soluble in water, also soluble in about 20 times as much water (at 20°C), soluble in ethanol and ether.
- Volatility: has a certain degree of volatility.
Chemical Properties of 2-methyl-1-propanol (isobutyl alcohol)
- Flammability: flammable, its vapor and air can form explosive mixtures, when exposed to open flame, high heat can cause combustion and explosion.
- Reactivity: 2-methyl-1-propanol can react strongly with oxidizing agent and decompose with heat to release toxic gas.
- Organic synthetic raw material: 2-methyl-1-propanol is an important organic synthetic raw material, can be used in the manufacture of a variety of chemical products, such as petroleum additives, antioxidant 2,6-di-tert-butyl-p-cresol, isobutyl acetate (paint solvents) and so on.
2-methyl-1-propanol Uses
- Chemical field: 2-methyl-1-propanol is used in the manufacture of petroleum additives, plasticizers (e.g. diisobutyl phthalate), synthetic rubbers and so on.
- Coating solvent: Ester derivatives such as isobutyl acetate can be used as solvents in the coating industry.
- Spices and drugs: GB 2760-2014 stipulates isobutyl alcohol as permitted edible spices, and it can also be used in synthetic drugs.
- Other applications: 2-methyl-1-propanol can also be used in the manufacture of artificial musk, fruit essential oil, etc., with a wide range of applications.
How to store isobutanol IBA (CAS: 78-83-1)?
- Isobutanol (IBA) should be stored in a cool, well-ventilated, dry environment, away from fire and heat sources.
- It must be kept in tightly sealed metal containers and isolated from oxidizing agents, acids, and strong alkalis.
Isobutanol (CAS 78-83-1) – MSDS Summary Table
| Section | Information |
|---|---|
| Product Name | Isobutyl Alcohol / Isobutanol |
| Synonym | 2-Methyl-1-propanol |
| CAS No. | 78-83-1 |
| Molecular Formula | C₄H₁₀O |
| Hazard Classification | Flammable Liquid (Cat. 3); Eye Irritant |
| Signal Word | Warning |
| Hazard Statements | H226: Flammable liquid and vapor; H319: Causes serious eye irritation |
| Flash Point (Closed Cup) | ~28 °C |
| Boiling Point | ~108 °C |
| Exposure Limits (Typical) | TWA: ~50 ppm (varies by regulation) |
| Routes of Exposure | Inhalation, skin contact, eye contact, ingestion |
| Recommended PPE | Chemical goggles, nitrile gloves, protective clothing |
| Storage Conditions | Cool, well-ventilated area; away from ignition sources |
| Incompatibilities | Strong oxidizing agents |
| Fire-Fighting Media | Alcohol-resistant foam, dry chemical, CO₂ |
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