Isopropyl Alcohol 91% USP Grade
A Versatile and Reliable Solvent:
Isopropyl Alcohol 91% USP Grade is a widely used solvent and disinfectant known for its effectiveness in a variety of medical, pharmaceutical, and cleaning applications.
Chemical Properties:
This concentration of isopropyl alcohol offers a balance between effectiveness and mildness, with a formula that is less harsh than higher concentrations.
Appearance and Purity:
A clear, colorless liquid, it has a distinctive alcohol odor and is free from impurities, aligning with USP grade standards.
Boiling and Melting Point:
With a boiling point of around 82°C and a melting point of -89°C, it is suitable for use in various temperature-sensitive environments.
Solubility and Density:
Highly soluble in water and many organic compounds, it has a density of about 0.784 g/mL at 20°C, making it lighter than water.
Applications:
Its applications include use as a disinfectant, solvent in pharmaceuticals, and in the manufacturing of cosmetic and personal care products.
Medical and Sanitary Uses:
Widely used for sanitizing surfaces, instruments, and skin, especially in healthcare settings.
Pharmaceutical Industry:
It serves as a solvent in the formulation of various drugs and as a key ingredient in hand sanitizers and rubbing alcohols.
Cosmetics and Personal Care:
Used in the production of lotions, perfumes, and other personal care products due to its volatile nature and solvency properties.
Handling and Storage:
While less flammable than higher concentrations, proper safety measures are still necessary when handling and storing it.
Storage Conditions:
Should be stored in a cool, well-ventilated area, away from heat sources, sparks, and open flames, in tightly sealed containers.
Conclusion:
Isopropyl Alcohol 91% USP Grade is a multi-purpose solvent with extensive applications in medical, pharmaceutical, and cosmetic fields. Its safe use and storage are vital for its effective and beneficial utilization.
FAQs
This liquid can also be used to clean and disinfect surfaces, and it's safe to use on skin too. Many people use 91% isopropyl alcohol to clean cuts and burns on the skin, and to promote healing. Well used in medical scenarios, 91% isopropyl alcohol often features in first aid kits.
What is the chemical formula for 91 isopropyl alcohol? ›
As an isopropyl group linked to a hydroxyl group (chemical formula (CH 3) 2CHOH) it is the simplest example of a secondary alcohol, where the alcohol carbon atom is attached to two other carbon atoms.
How much water do I add to 91% isopropyl alcohol to make it 70%? ›
Ingredients:
- 8 fl oz, of 91% Isopropyl Alcohol.
- 2 fl oz tap water. (1 Tablespoon = 0.5 fl oz)
You can buy rubbing alcohol with a concentration of 70% or 99% isopropyl alcohol. Even though you may think the higher concentration is more effective, experts say 70% is actually better for disinfecting. It has more water, which helps it to dissolve more slowly, penetrate cells, and kill bacteria.
What is the difference between rubbing alcohol and 91 isopropyl alcohol? ›
Isopropyl alcohol concentrations >91% volume have limited bactericidal efficiency and are less effective for antiseptic use, thus its distinction as “rubbing alcohol” is not warranted and may cause confusion. In documents cited by the CDC, “rubbing alcohol” is defined as 70% isopropyl alcohol and 30% water.
Can I use 91 isopropyl alcohol to clean electronics? ›
Isopropyl alcohol removes oils, adhesives, fingerprints, soldering flux and other contaminants, making it ideal for cleaning electronics. However, it is important to note that only alcohol with a grade of 90% or more should be employed on circuit boards and other internal electronics.
How do you mix 91 isopropyl alcohol and water? ›
If you find only 91% isopropyl alcohol available buy it and dilute it to 70%, because the 30% water makes it more effective at killing virus. The simple way to do this is to add 0.3 part water (three tenths) to one part 91% alcohol.
What's the difference between 70 and 91 isopropyl? ›
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.
Does adding water to alcohol make it stronger? ›
Does adding water to wine / spirits reduce the alcohol content? - Quora. It certainly decreases the percentage of alcohol by volume (ABV) in the drink, but if you consider the diluted drink as a whole, it's still got the same total amount of alcohol in it, just more water.
What happens when you mix water and isopropyl alcohol? ›
What to expect. Alcohol makes swirly patterns as it goes into the water. When stirred, the alcohol completely dissolves into the water. Oil stays in a layer on the surface of the water.
TO MAKE A STANDARD SOLUTION (70%):
Dilute by adding 1 part water to 2 parts of this 99% Isopropyl Alcohol.
Is 91% isopropyl alcohol bad for car paint? ›
No. Rubbing alcohol will not damage a car's paint when used sparingly and in moderation. Diluting rubbing (isopropyl) alcohol to 20% concentration with distilled water is an excellent way to ensure the paint is oil-free before applying a car wax, paint sealant, or ceramic coating.
Is 91% isopropyl alcohol safe for car paint? ›
Isopropyl alcohol should not damage the paint, many detailers wipe down the finish in between polishing steps, sometimes not even diluted with water, just straight IPA. Your clear coat should not peel off with masking tape unless the tape was left there several days in the sun and glue really bonded to the paint.
How long does it take for 91 isopropyl alcohol to dry? ›
Evaporation Time of Isopropyl Alcohol
| Surface | Time for Isopropyl Alcohol to Evaporate |
|---|
| Open container | < 1 minute |
| Non-porous surface (e.g., metal, glass) | 1-5 minutes |
| Porous surface (e.g., cloth, paper) | 5-10 minutes |
| Larger volume of liquid | Longer time |
2 more rowsMar 6, 2024
The 91% isopropyl alcohol solution is a powerful agent for cleaning cuts, burns, scrapes, and scratches while also promoting a speedy recovery. It is also excellent for cleaning oils, greases, glues, and inks from surfaces.
What is the chemical name for isopropyl alcohol? ›
What is Isopropyl Alcohol? Isopropyl alcohol commonly referred to as Isopropanol or n-propanol or dimethylcarbinol is a colourless and flammable liquid with the formula C3H8O. Isopropyl alcohol is widely employed in solvent applications.
What is the chemical formula for 70% isopropyl alcohol? ›
Chemical Name: Isopropyl Alcohol Chemical Formula: C3H8O CAS Number: 67-63-0 Product Use: Cleans nail surface after UV cured nail coating application. H225: Highly flammable liquid and vapor.
What is isopropyl alcohol 90%? ›
This is a hand sanitizer manufactured according to the Temporary Policy for Preparation of Certain Alcohol-Based Hand Sanitizer Products During the Public Health Emergency (CoViD-19); Guidance for Industry.
