Isopropanol (Isopropyl Alcohol, IPA)
Isopropanol, also known as Isopropyl Alcohol or IPA, is a clear, colorless, volatile liquid with a strong alcoholic odor. It is one of the most widely used solvents and disinfectants in both industrial and consumer applications.
CAS Number: 67-63-0
Chemical Name: Isopropanol / Isopropyl Alcohol (IPA)
IUPAC Name: Propan-2-ol
Molecular Formula: C₃H₈O
Molecular Weight: 60.10 g/mol
Structure: (CH₃)₂CHOH
Appearance: Clear, colorless liquid
Odor: Pungent, alcoholic odor
Solubility: Miscible with water, alcohol, ether, chloroform, and most organic solvents
Boiling Point: ~82.6°C
Melting Point: –89.5°C
Density: 0.785 g/cm³ at 20°C
Flash Point: ~12°C (closed cup)
Flammability: Highly flammable liquid and vapor
Common Grades:
- IPA 99% (Anhydrous): For electronics, industrial, and medical applications
- IPA 70%: Pre-diluted for general sanitizing and disinfection
- USP/Pharma Grade: Meets United States Pharmacopeia specifications
- Technical Grade: For industrial applications where high purity is not essential
Application in areas:
- Disinfection & Cleaning
- Used in hand sanitizers, surface disinfectants, and medical wipes
- Common in pharmaceutical and hospital-grade cleaning
- Solvent
- Solvent for resins, oils, inks, cosmetics, and essential oils
- Cleaning agent in electronics, optical instruments, and precision equipment
- Industrial Uses
- De-icing agent for fuels and aircrafts
- Used in paint thinners, inks, adhesives, and detergents
- Cosmetics & Personal Care
- Found in aftershaves, lotions, hair tonics, and perfumes
Safety & Handling:
- Hazard Class: Flammable Liquid (Class 3)
- UN Number: UN1219
GHS Classification:
- H225: Highly flammable liquid and vapor
- H319: Causes serious eye irritation
- H336: May cause drowsiness or dizziness
PPE Requirements:
- Gloves (nitrile or chemical-resistant)
- Safety goggles or face shield
- Use with proper ventilation
Storage Guidelines:
- Store in a cool, dry, and well-ventilated area
- Keep away from heat sources, open flames, and oxidizers
- Use grounded containers for transfer to avoid static buildup
Packaging: Drum, TIN