99.9% Isopropyl Alcohol ACS Reagent Grade (1 Gallon, 4 Pack)

In this review of the 99.9% Isopropyl Alcohol ACS Reagent Grade, the bottom line is simple: this is a high-purity, anhydrous isopropyl solvent best suited for laboratories, electronics cleaning, and industrial tasks that demand minimal water content. The reviewer found it especially valuable for tasks like thinning epoxy paint and precision cleaning, where high purity and reliable solvent strength matter. Packaged as four 32 fl oz bottles totaling one gallon, the product presents a practical balance of volume and handling for bench-top and shop use.

Key Features

• 99.9% Purity: The nearly anhydrous content reduces residue and is appropriate for chemical work that requires minimal water contamination.
• ACS Reagent Grade: Certified lab-grade quality ensures consistency for laboratory and scientific applications.
• Packaged in 32 fl oz Bottles: Four smaller bottles make the gallon easier to store and pour compared with a single large container.
• Versatile Solvent: Works well for electronics cleaning, thinning epoxy and paints, and other industrial maintenance tasks.
• Made in USA: Domestic production provides traceability and reassurance about manufacturing standards.

Who It's For

This product is aimed at laboratory technicians, electronics repair technicians, industrial shops, and hobbyists who need a dependable, high-purity alcohol for cleaning, solvent work, and formulation tasks. The reagent-grade specification makes it suitable for environments where consistent solvent quality is required.

Those with only casual household cleaning needs or who require a sterile topical antiseptic should consider alternatives formulated and labeled for medical or consumer use, since this product is intended for external and laboratory use and not for personal healthcare applications.

Pros & Cons

Pros

• Very high purity that minimizes residue and water content for sensitive applications.
• Good cleaning power for electronics, adhesives, and surface prep, as noted by users.
• Practical packaging in 32 fl oz bottles that balance volume and ease of handling.
• Laboratory-grade consistency and industrial suitability for varied technical uses.

Cons

• Not formulated or labeled for medical or antiseptic use, so it may not suit consumer first-aid needs.
• Smaller bottles mean more caps and containers to store compared with a single large jug.

Specifications

Product	99.9% Isopropyl Alcohol (2-Propanol)
Grade	ACS Reagent Grade
Volume	1 gallon total (four 32 fl oz bottles)
CAS Number	67-63-0
Intended Use	Laboratory, electronics, industrial applications
Origin	Made in USA

Our Verdict

The 99.9% Isopropyl Alcohol ACS Reagent Grade is a solid choice for labs, electronics technicians, and industrial users who need a reliable, low-residue solvent. Its combination of high purity, practical packaging, and domestic manufacture makes it good value for professional and serious hobbyist use, while those seeking consumer antiseptics should choose a product labeled for that purpose.

Frequently Asked Questions

Is this safe for electronics cleaning?
This is suitable for electronics cleaning when used with care; its low water content helps avoid residue but ensure devices are powered off and fully dry before reassembly.

Can it be used for thinning epoxy or paint?
Customers reported success thinning bathroom tub epoxy and other coatings; use small tests to confirm compatibility with specific formulations.

Is this product intended for medical use?
No, it is labeled for external and laboratory use and is not formulated or marketed as a medical antiseptic.