Why Isopropyl Alcohol 70% USP Grade
Procurement teams and facility managers choose Isopropyl Alcohol 70% USP Grade because the precise 30% purified water content deliberately lowers the evaporation rate, providing extended surface contact time compared to absolute alcohols. Manufactured to strict United States Pharmacopeia standards, this clear, colorless liquid ensures trace impurities and non-volatile residues remain within tightly controlled regulatory limits for healthcare, laboratory, and critical industrial environments. The specific 70/30 concentration offers the exact balance of organic solvency and moisture retention required to penetrate hydrophilic substances and dissolve residues without flashing off prematurely. As a tightly controlled C3H8O formulation, it delivers consistent baseline performance across sensitive operations where documented chemical purity is a non-negotiable operational requirement. Because it is completely soluble in water, alcohol, ether, and many other organic solvents, it integrates rapidly into existing aqueous formulas and complex multi-solvent blends.
Best Applications for This Grade
- Commonly applied in healthcare manufacturing and clinical compounding environments where USP certification guarantees strict adherence to purity limits, while the 70% concentration provides the necessary surface retention time for targeted facility protocols.
- Utilized as a primary wipe-down solvent in industrial cleanrooms and controlled manufacturing spaces, as the slower evaporation profile minimizes rapid vapor buildup and helps mitigate vapor risks associated with a flash point of 12.
- Employed in municipal and industrial wastewater testing facilities for analytical extractions, sampling line flushes, and delicate equipment preparation, relying heavily on its broad solubility profile across water, ether, and diverse organic solvents.
- Integrated into specialized chemical compounding and botanical extraction processes where the deliberate 30% aqueous phase assists in separating specific water-soluble compounds while maintaining strong baseline organic solvency.
When to Choose a Different Grade
- If your manufacturing process demands a faster evaporation rate with significantly less aqueous content, while still maintaining strictly audited healthcare manufacturing standards, select Isopropyl Alcohol 91%- USP Grade.
- If your maintenance teams require a completely moisture-free solvent for heavy industrial degreasing, printed circuit board defluxing, or bulk metal parts cleaning where pharmacopeia certification is unnecessary, choose Isopropyl Alcohol 99% - Technical Grade.
- If your chemists are conducting precision analytical laboratory testing, high-performance liquid chromatography, or require a solvent meeting exact American Chemical Society specifications for minimal background interference, choose Isopropyl Alcohol 99.9% ACS Reagent Grade.
| Molecular Weight |
60.10 |
| Formula |
C3H8O |
| Assay |
70-72% |
| Grade |
USP Grade |
| Flash Point |
12°C (53.6°F) |
| Form |
Liquid |
| Solubility |
Miscible with water and most organic solvents |
| Appearance |
Clear, colorless liquid |
| Melting Point |
-89 |
| Boiling Point |
82.5 |
| Specific Gravity |
0.870 |
| Industry |
Analytical Chemistry, Pharmaceutical Manufacturing, Industrial, Research Laboratory, Personal Care |