Isopropyl alcohol (IPA), also known as 2-propanol, is an organic compound with the chemical formula C₃H₈O. Its melting point is -89.5 °C, boiling point is 82.5 °C, flash point is 11.7 °C, and density is 0.7855 g/cm³. Isopropyl alcohol is an isomer of n-propanol. It is a colorless, transparent liquid with an odor resembling a mixture of ethanol and acetone. It is soluble in water and most organic solvents, including alcohols, ethers, benzene, and chloroform. As an important chemical product and raw material, isopropyl alcohol is primarily used in pharmaceuticals, cosmetics, plastics, fragrances, and coatings.
With over 10 years of chemical manufacturing expertise, Gneebio has conducted extensive research on IPA applications across thousands of client installations.Each concentration-70%, 90%, and 99%-offers distinct performance characteristics and cost implications. For large-volume procurement, understanding these differences can directly improve production efficiency and reduce operational risks.
Differences in IPA Concentration
| Concentration | Key Strengths | Typical Industrial Use |
|---|---|---|
| 70% IPA | Better microbial kill rate, slower evaporation | Healthcare, sterilization, food-contact surface cleaning |
| 90% IPA | Faster drying, stronger solvent power | Automotive, printing inks, machinery degreasing |
| 99% IPA | Ultra-pure, residue-free, ideal for sensitive components | Electronics, pharmaceuticals, laboratories, coatings |
Comparison of 70% vs. 90% vs. 99% IPA for Industrial Buyers
70% IPA
- Used in hospitals, food processing plants, and hygiene-related industries.
- Used for buyers focusing on sanitizing surfaces and equipment.
Limitations: Not strong enough for electronic cleaning or solvent-intensive manufacturing.
90% IPA
- Faster evaporation and higher solvent strength make it suitable for:
- Automotive degreasing
- Heavy machinery cleaning
- Ink formulation
Limitations: Still leaves more residue than 99% IPA and may not meet electronic- or pharma-grade requirements.
99% IPA
This is the concentration most relevant to large industrial procurement, especially in:
Electronics & Semiconductor Manufacturing
- Essential for PCB cleaning, flux removal, optical lens preparation
- Ultra-clean evaporation with no spotting or residue
- Required by cleanrooms, chip plants, LCD factories, and precision optical facilities
Pharmaceutical & Medical Manufacturing
- Used as a solvent, extraction agent, and formulation ingredient
- Meets strict purity requirements for drug and medical device production
Laboratories & Biotechnology
- Critical for HPLC prep, DNA/RNA work, and analytical procedures
- Ensures no interference from water or impurities
Coatings, Paints & Adhesives
Used for moisture-sensitive polymer systems
How to Choose the Best Concentration for Your Facility?
| Your Industry | Recommended IPA |
|---|---|
| Electronics / Semiconductors | 99% |
| Pharmaceuticals | 99% |
| Laboratories / Cleanrooms | 99% |
| Automotive Manufacturing | 90% |
| Machinery & Printing | 90% |
| Hospitals & Hygiene Industries | 70% |
| Food Processing | 70% |
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.