What is isopropyl alcohol (CAS 67-63-0)?
Isopropyl alcohol (CAS 67-63-0) is a colourless and flammable liguid with the chemical formula (CH3)2CHOH. Available in variousgrades, it has a wide range of applications across many industries. For example, rubbing alcohol, whichcontains between 70% and 90% isopropanol or ethanol, is often used as an antiseptic and surface disinfectant.
What is 1-propanol (CAS 71-23-8)?
1-propanol (CAS 71-23-8), also known as N-Propyl Alcohol or Propan-1-ol, is a colorless, volatile liquid with a mild alcohol odor. It is commonly used as a solvent in coatings, pharmaceuticals, and chemical manufacturing due to its ability to dissolve a wide range of compounds efficiently.
Is isopropyl alcohol (CAS 67-63-0) and 1-propanol (CAS 71-23-8) the same?
| Feature | 1-Propanol (n-Propanol) | Isopropyl Alcohol (2-Propanol) |
|---|---|---|
| CAS Number | 71-23-8 | 67-63-0 |
| Chemical Structure | Primary alcohol: CH₃–CH₂–CH₂–OH (Straight-chain, -OH on end carbon) |
Secondary alcohol: (CH₃)₂CH–OH (Branched-chain, -OH on middle carbon) |
| Common Name(s) | n-Propanol, Propyl alcohol, Propan-1-ol | Isopropanol, IPA, Rubbing alcohol, 2-Propanol |
| Boiling Point | Higher (97.2 °C / 207 °F) | Lower (82.6 °C / 180.7 °F) |
| Major Uses | Industrial solvent & chemical intermediate (inks, coatings, synthesis of propionaldehyde). Less common in consumer products. | Ubiquitous disinfectant, cleaning agent, rubbing alcohol. Dominates consumer and medical markets. |
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| Acetonitrile | CAS 75-05-8 |
| Isopropyl alcohol | CAS 67-63-0 |
| 1-Propanol | CAS 71-23-8 |
| o-Xylene | CAS 95-47-6 |
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