P

2-Propanol

IUPAC: propan-2-ol

C3H8O Organic Compounds CAS 67-63-0
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Quick Reference
Formula / NotationC3H8O
CAS Number67-63-0
Molecular Weight60.10
Melting Point-127.3 °F (NTP, 1992)
Boiling Point180.5 °F at 760 mmHg (NTP, 1992)
Density0.785 at 68 °F (USCG, 1999) - Less dense than water; will float
Solubilitygreater than or equal to 100 mg/mL at 72 °F (NTP, 1992)
AppearanceVolatile, colorless liquid with a sharp musty odor like rubbing alcohol. Flash point of 53 °F. Vapors are heavier than air and mildly irritating to the eyes, nose, and throat. Density approximatel...
Also Known Aspropan-2-ol; Isopropyl alcohol; isopropanol; Propan-2-ol; 67-63-0; 2-Hydroxypropane; Dimethylcarbinol; sec-Propyl alcohol; Alkolave; Avantine
CategoryOrganic Compounds

What is 2-Propanol?

Propan-2-ol is a secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group. It has a role as a protic solvent. It is a secondary fatty alcohol and a secondary alcohol.

Formula & Notation

C3H8O

IUPAC Name: propan-2-ol

Other Names / Synonyms: propan-2-ol; Isopropyl alcohol; isopropanol; Propan-2-ol; 67-63-0; 2-Hydroxypropane; Dimethylcarbinol; sec-Propyl alcohol; Alkolave; Avantine

Properties & Characteristics

Appearance: Volatile, colorless liquid with a sharp musty odor like rubbing alcohol. Flash point of 53 °F. Vapors are heavier than air and mildly irritating to the eyes, nose, and throat. Density approximatel.... Molecular formula: C3H8O. Molecular weight: 60.10 g/mol. Boiling point: 180.5 °F at 760 mmHg (NTP, 1992). Melting point: -127.3 °F (NTP, 1992). Density: 0.785 at 68 °F (USCG, 1999) - Less dense than water; will float. Solubility: greater than or equal to 100 mg/mL at 72 °F (NTP, 1992). Vapor pressure: 33 mmHg at 68 °F ; 40 mmHg at 74.8 °F (NTP, 1992). LogP: 0.3.

Physical Data

PropertyValue
Melting Point-127.3 °F (NTP, 1992)
Boiling Point180.5 °F at 760 mmHg (NTP, 1992)
Density0.785 at 68 °F (USCG, 1999) - Less dense than water; will float
Molecular Weight60.10
Solubilitygreater than or equal to 100 mg/mL at 72 °F (NTP, 1992)
AppearanceVolatile, colorless liquid with a sharp musty odor like rubbing alcohol. Flash point of 53 °F. Vapors are heavier than air and mildly irritating to the eyes, nose, and throat. Density approximatel...

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term 2-Propanol
Formula C3H8O
CAS Number 67-63-0
Molecular Weight 60.10
Synonyms propan-2-ol; Isopropyl alcohol; isopropanol; Propan-2-ol; 67-63-0; 2-Hydroxypropane; Dimethylcarbinol; sec-Propyl alcohol; Alkolave; Avantine

Frequently Asked Questions

Propan-2-ol is a secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group. It has a role as a protic solvent. It is a secondary fatty alcohol and a secondary alcohol.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.