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Isopropyl Alcohol 70/30 ( Ipa 70% )1 Pint

$27.56
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SKU: ZP1850-16
California prop 65
Description

ISOPROPYL ALCOHOL 70/30 ( IPA 70% )1 pint

Isopropyl Alcohol or 2-Propanol is a very commonly used disinfectant within pharmaceutical companies, hospitals and cleanrooms. It is even used in the purification of electronics and medical device manufacture. It has a number of different purity grades and they are designed for different use. They are beneficial cleaning chemicals and disinfectants, and depending on how concentrated they are, they can get rid of all sorts of bacteria and impurities.

70% Isopropyl Alcohol (IPA 70)

Between the concentrations of 60% and 90%, Isopropyl alcohol is a very effective agent against microbial bacteria, fungi, and viruses. Higher concentrations don’t generate a much more desirable effectiveness against bacteria, fungi and viruses. This is because, there has to be a significant enough presence of water with the Isopropyl alcohol in order to be effective. And this percentage of water needs to be at least more than 10% within the solution. And the mixture of 30% water with 70% Isopropyl alcohol works best.
The reason water is so important is because it acts as a catalyst and has a major role in denaturing the proteins of cell membranes of vegetative cells. 70% IPA solutions are very effective in breaching the cell wall fully. Also, the presence of water slows down evaporation and increases the surface contact time with the membrane. With 91% IPA, the evaporation is instant and protein coagulates, rendering the effect of the IPA greatly reduced.
Note: These chemicals are meant to be used for research, industrial work, cleaning or disinfecting.
Lab Pro is your one-stop shop for chemistry lab supplies including Isopropyl Alcohol 99% ( IPA 99%) ACS/USP/NF - 55 Gallons. Guaranteed next day shipping on the west coast and two-week return policy. We are a laboratory supply store based in San Jose, distributing laboratory supplies and equipment nationwide.

Prices do not include shipping. Shipping charges as follows for up to 4x 1gallons California Only:

  • $30 flat fee – Includes Hazardous Material fee Outside of California:
  • FedEx - $85 flat fee – Includes Hazardous Material fee
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FAQs

Why is 70% IPA considered the ideal concentration for cleanroom disinfection?

Because the 30% water content slows evaporation and enhances microbial penetration, 70% isopropyl alcohol achieves better efficacy than higher concentrations like 91% or 99%

Can 70% isopropyl alcohol be safely used on electronics?

While it's effective for sanitizing benches and tools, electronics may require faster-drying formulas. For delicate components, consider higher concentration IPA (91% or 99%) to minimize moisture risk.

How does 70% IPA compare to 91% for disinfecting medical device cleanrooms?

In medical device manufacturing environments, 70% IPA is preferred because its longer contact time improves microbial kill rates, a critical factor for sterility.

Does 70% isopropyl alcohol expire or lose effectiveness over time?

Yes, evaporation of water can increase its concentration, reducing disinfection efficacy. Store tightly sealed in cool conditions to maintain its 70% isopropyl alcohol gallon formulation.

How should I store and handle 70% IPA safely in a lab or production environment?

Keep it in a flammable storage cabinet, away from ignition sources. Use PPE such as nitrile gloves, goggles, and ensure proper ventilation.

What microbial spectrum does 70% IPA cover in cleanroom applications?

It's effective against bacteria, fungi, and many viruses. However, it's not fully sporicidal; additional sterilization methods may be required for spore-forming organisms.

How do I dilute 99% IPA to make a 70% solution?

To prepare one cup of 70% IPA, mix approximately 0.4 cups of purified water with 0.6 cups of 99% IPA. Always use precise measurements and validate with a Certificate of Analysis.

Is 70% isopropyl alcohol the same as household rubbing alcohol?

Yes, 70% IPA is commonly referred to as rubbing alcohol, but Lab Pro’s USP/NF-grade version offers higher purity, lot traceability, and cleanroom-safe packaging tailored for lab or manufacturing use.