Isopropyl Alcohol Properties
Isopropyl alcohol, also known as 2-propanol, is a colorless, transparent liquid with an odor similar to ethanol. It is soluble in water and various organic solvents, exhibiting excellent solubility. Chemically, isopropyl alcohol is a moderately strong alcohol capable of participating in multiple chemical reactions, such as esterification and etherification.
Chemical & Physical Properties of Isopropyl Alcohol 99% (IPA 99%)
| Property | Description |
|---|---|
| Chemical Name | Isopropyl Alcohol / Isopropanol / IPA |
| CAS Number | 67-63-0 |
| Molecular Formula | C₃H₈O |
| Molecular Weight | 60.10 g/mol |
| Appearance | Colorless, transparent liquid |
| Odor | Sharp, characteristic alcohol odor |
| Purity Grades | 70%, 90%, 95%, 99%, 99.9% |
| Boiling Point | 82.4°C (180°F) |
| Melting Point | -89.5°C |
| Flash Point | 12°C (54°F), closed cup |
| Density | 0.785–0.790 g/cm³ (at 20°C) |
| Vapor Pressure | 33 mmHg at 20°C |
| Vapor Density | 2.1 (air = 1) |
| Solubility | Miscible with water, ethanol, ether, chloroform |
| Evaporation Rate | 1.5 (relative to n-butyl acetate = 1) |
| Refractive Index | 1.377 (at 20°C) |
| Autoignition Temperature | 399°C |
| Viscosity | 2.38 cP at 20°C |
| Explosive Limits | 2–12% (in air) |
| Stability | Stable under normal conditions; flammable |
| HS Code | 290512 |
Isopropyl Alcohol 99% Uses
- Chemical Raw Material: IPA 99% serves as an intermediate in the chemical industry for synthesizing other chemicals, such as coatings, paints, and resins.
- Cleaning Agent: Due to its excellent solvent properties, isopropyl alcohol is widely used as a cleaning agent to remove grease, stains, and other impurities.
- Solvent: As a solvent, isopropyl alcohol is particularly suitable for dissolving natural and synthetic rubber. It is also utilized in pharmaceuticals, cosmetics, and fragrance industries.
- Fragrance Preparation: In fragrance manufacturing, isopropyl alcohol serves as an auxiliary ingredient for blending scents.
- Pharmaceutical Industry: Within pharmaceutical manufacturing, isopropyl alcohol is used to produce medicines, disinfectants, cosmetics, and more.
- Fuel Additive: Isopropyl alcohol functions as a gasoline additive to enhance fuel performance.
- Other Applications: Additionally, IPA 99% is utilized in the production of plastics, rubber, leather, inks, and other materials.
IPA 99% Precautions
Isopropyl alcohol solutions are highly volatile and should be stored in well-ventilated areas, away from high temperatures and open flames.
Isopropyl alcohol solutions emit a pungent odor. Avoid prolonged exposure to prevent symptoms such as dizziness, nausea, or vomiting.
When handling isopropyl alcohol solutions, wear appropriate protective clothing, gloves, and goggles to prevent skin contact.
Why Choose Gneebio for IPA 99.9% Supply?
Gneebio is a professional manufacturer and distributor of high-purity IPA, offering factory-direct supply and large-volume delivery.
Advantages for Industrial Buyers
- Multiple Grades & Concentrations: Industrial 99%, Technical 99%, Electronic 99.9%, USP/Pharma grade
- Bulk Production & Stable Supply: Reliable monthly capacity to avoid production delays
- Strict Quality Control: COA, MSDS, TDS, and optional third-party testing
- Flexible Packaging Options: 200L drums, 1000L IBC, ISO tanks
- Global Export Experience: Efficient shipping and compliance with international chemical regulations
Related Chemical Products from Gneebio
Bulk Industrial buyers often purchase Isopropyl alcohol (IPA) together with other solvents and intermediates.
Here are the most popular products:
| Product Name | CAS |
|---|---|
| Cyclohexanone (CYC) | 108-94-1 |
| Methyl Methacrylate (MMA) | 80-62-6 |
| 2-Methoxyethanol | 109-86-4 |
| Propionic Acid | 79-09-4 |
| Ethylene Glycol (Meg) | 107-21-1 |
| N, N-Dimethylacetamide (DMAC) | 127-19-5 |
Click here to get the latest global Isopropyl alcohol (IPA) market prices for 2025.





