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About Isopropyl Alcohol 91% USP Grade Isopropyl alcohol (IPA) at the 91% concentration contains 91% isopropyl alcohol 9% distilled water. The combination of alcohol and water makes this an ideal solution for cleaning and disinfecting skin. The presence of water makes this ideal for cleaning as it doesn’t evaporate as readily as a higher concentration. Isopropyl alcohol is a colorless and flammable liquid. Examples of when Isopropyl Alcohol 91% is the preferred concentration. IPA with a low presence of purified water is an excellent option for creating herbal extracts, perfumes and home fragrance. IPA is used widely for medicinal purposes as a disinfectant of surfaces and skin. IPA is used in the food industry to sanitize reactors, vats, and other equipment. For electronics, extractions of oils, and additional cosmetic uses isopropyl alcohol 99.8% could be the preferred concentration. Common Uses
About Isopropyl Alcohol 91% USP Grade
Isopropyl alcohol (IPA) at the 91% concentration contains 91% isopropyl alcohol 9% distilled water. The combination of alcohol and water makes this an ideal solution for cleaning and disinfecting skin. The presence of water makes this ideal for cleaning as it doesn’t evaporate as readily as a higher concentration. Isopropyl alcohol is a colorless and flammable liquid.
Examples of when Isopropyl Alcohol 91% is the preferred concentration.
IPA with a low presence of purified water is an excellent option for creating herbal extracts, perfumes and home fragrance.
IPA is used widely for medicinal purposes as a disinfectant of surfaces and skin.
IPA is used in the food industry to sanitize reactors, vats, and other equipment.
For electronics, extractions of oils, and additional cosmetic uses isopropyl alcohol 99.8% could be the preferred concentration.
Common Uses and Applications
Disinfectant
Antiseptic agent
Food processing
Dairy plants
Industries
R&D/Laboratory
Food & Beverage
Personal Care and Cosmetics
Botanical
Chemistry Table
CAS Number
67-63-0
Molecular Formula
C3H8O
Formula Weight
60.10
Synonyms
Isopropanol, 2-propanol, Isopropyl Alcohol, 2-hydroxypropane, Alkolave, Avantine, Hartosol, Dimethylcarbinol, Sec-propyl alcohol, Petrohol
PubChem CID
3776
Grade
USP Grade
Percent Purity
90 - 91.8%
Chemical Name or Material
Isopropyl Alcohol
UN Number
1219
Isopropyl Alcohol 91% USP Grade Specifications
Assay
90 - 91.8%
Water
10 - 8.2%
Specific Gravity @ 20°C
0.873 - 0.884
Color APHA
5 max
Identification (IR)
Typical
Acidity
Not more than 1.0 ml of 0.02N NaOH required for neutralization
Limit of Non-Volatile Residue
NMT 5 mg
Appearance
Clear
Safety and Shipping Information
DOT: Isopropanol, 3, UN1219, PG II
Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Isopropyl Alcohol 90-91% USP Grade.
If you have questions about ordering isopropyl alcohol (isopropanol) online here at or would like to place an order, call 512-668-9918 or email customerservice@ to talk with a Isopropyl Alcohol Specialist. Isopropyl Alcohol is shipped to customers in the United States by UPS.
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