Can I use tap water to dilute 99 isopropyl alcohol to 70?

What water should I use for diluting 99% isopropyl alcohol to 70% to use as disinfectant is tap water OK?

Thus, adding 35.35mL of 99% IPA to 14.65mL of distilled water creates a 50mL solution of 70% IPA.

How do you dilute 99% isopropyl alcohol to 70?

  1. NDC 57319-431-09. Isopropyl Alcohol 99% …
  2. INDICATIONS: For external use only as an antiseptic, disinfectant, and rubefacient.
  3. TO MAKE A STANDARD SOLUTION (70%): Dilute by adding 1 part water to 2 parts of this 99% Isopropyl Alcohol.
  4. FOR EXTERNAL USE ONLY.
  5. DIRECTIONS: …
  6. CAUTION: …
  7. INGREDIENTS: …
  8. WARNING:

Can I add tap water to 99 isopropyl alcohol?

Nope! Tap water will do just fine. Since you’re also going to use it for your skin, I would add some sort of humectant (e.g. glycerol) to prevent your skin from drying out.

Can tap water be used to dilute isopropyl alcohol?

Therefore, you can use tap water to dilute high-concentration ethanol products.

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Which is better ethyl alcohol or isopropyl alcohol?

Sanitizer Alcohol Percentage

The World Health Organization suggests that 70% ethyl alcohol is superior to isopropyl alcohol against the influenza virus, however, both provide adequate germicidal properties. Ethanol is recommended at higher % concentration, usually 80%.

How do you dilute 95% alcohol to 70?

For example, to make 70% ethanol from 95% ethanol, take 70 mL of 95% ethanol and add enough water to bring the volume to 95 mL. You will then have 95 mL of 70% ethanol. This works for any dilution and all that is required is a large enough graduated cylinder.

How do you dilute 90% alcohol to 70%?

1/5 of 15 ounces is 3 ounces. Thus, 3 ounces of water added to 15 ounces of 90% rubbing alcohol will create a solution of 70% rubbing alcohol.

Is 99% isopropyl alcohol safe for skin?

The only downside of 99% isopropyl alcohol is that, understandably, it needs to be used and stored properly. In this concentration, it is highly flammable, may cause dizziness if used in high quantities in an ill-ventilated area, and can be an irritant to skin and eyes. Of course, it should also never be ingested.

Can you dilute 91 isopropyl alcohol with water?

Step 1 – In a clean spray bottle, combine the 91% isopropyl alcohol with water. Mix well by shaking gently. … Store bottle away from sources of heat, spark, or direct sunlight. Mixture does not expires, contents will kill germs and viruses so long as the ABV remains above 70%.

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Should you dilute 70 alcohol?

When you’re using alcohol to disinfect, it’s important not to dilute it beyond what’s recommended by the CDC for killing germs. … Keep in mind that when you buy rubbing alcohol at the store, it’s already diluted with water in a concentration indicated on the label (commonly 70 percent or 90-91 percent).

Can I dilute 70 isopropyl alcohol?

While it is generally okay to use it at the 70/30 ratio, many detailers prefer to dilute it down to a 50/50 (Alcohol to Distilled Water) ratio for optimal results. …

How much water does it take to dilute 91 isopropyl alcohol to 70?

To make 70% isopropyl alcohol from new 91% alcohol, add 3 ounces of distilled water to 10 ounces of 91% isopropyl alcohol (IPA).

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