34863 Sigma-Aldrich


for HPLC, 99.9%

Synonym: sec-Propyl alcohol, IPA, Isopropanol, Isopropyl alcohol, isopropanol

  • CAS Number 67-63-0

  • Linear Formula (CH3)2CHOH

  • Molecular Weight 60.10

  •  Beilstein/REAXYS Number 635639

  •  EC Number 200-661-7

  •  MDL number MFCD00011674

  •  PubChem Substance ID 329755072

  •  NACRES NA.05



Related Categories 2-Propanol (Isopropanol), Analytical Reagents, Analytical/Chromatography, Chromatography Reagents & Solvents, HPLC Grade Solvents,
Quality Level   100
grade   for HPLC
vapor density   2.1 (vs air)
vapor pressure   33 mmHg ( 20 °C)
  44 mmHg ( 25 °C)
assay   99.9%
form   liquid
autoignition temp.   750 °F
expl. lim.   2.0-12.7 %, 93 °C
application(s)   HPLC: suitable
impurities   ≤0.0005% non-volatile matter
  ≤0.001% free acid (as C2H5COOH)
  ≤0.05% water (Karl Fischer)
color   APHA: ≤10
transmittance   210 nm, ≥20%
  220 nm, ≥50%
  230 nm, ≥75%
  260 nm, ≥98%
refractive index   n20/D 1.377 (lit.)
pH   7.0 (20 °C)
bp   82 °C (lit.)
mp   −89.5 °C (lit.)
density   0.785 g/mL at 25 °C (lit.)
UV absorption   λ: 205 nm Amax: ≤1.0
  λ: 210 nm Amax: ≤0.70
  λ: 220 nm Amax: ≤0.20
  λ: 230 nm Amax: ≤0.10
  λ: 260 nm Amax: ≤0.01
  λ: 400 nm Amax: ≤0.01
Featured Industry   Food and Beverages
SMILES string   CC(C)O
InChI   1S/C3H8O/c1-3(2)4/h3-4H,1-2H3


General description

2-Propanol (Isopropanol) is a secondary alcohol. It has been tested as substitute to fuel for various fuel cells. Cuo powder dissolved in 2-propanol has been used for the laser ablation assisted synthesis of Cu colloids. Its suspension with Zn(NO3)2 has been employed for the fabrication of titanium dioxide-coated stainless steel (P25-TiO2/SS) photoanode coated with uniformly thick layer of P25-TiO2. This photoanode was used for the electrochemical photocatalytic (ECPC) degradation process.


2-Propanol (Isopropanol) has been used for isolation and quantitative determination of carotenes and xanthophylls from Capsicum annum pericarp extracts by HPLC. It has been used as solvent in the dissolution of Pt and TiO2 precursors, for the fabrication of Pt-TiO2/Ti electrodes.

2-propanol may be used in the synthesis of methyl isobutyl ketone with satisfactory yield in the presence of bifunctional Cu-base catalysts. It can undergo oxidation in the presence of titanium oxide-supported manganese oxide to form acetone.


1, 6×1, 2, 4×2.5, 4, 4×4 L in glass bottle

View returnable container options.

100 mL in glass bottle

50, 200 L in Pure-Pac™ 2

Other Notes

For information on 2-propanol miscibility, please visit the following link:
2-Propanol Miscibility/Immiscibility Table

Important notice
• The article number 34863-4X2.5L will be discontinued. Please order the single bottle 34863-2.5L which is physically identical with the same exact specifications.
• The article number 34863-6X1L will be discontinued. Please order the single bottle 34863-1L which is physically identical with the same exact specifications.

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Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Target organs 
Central nervous system
UN1219 - class 3 - PG 2 - Isopropanol
WGK Germany 
Flash Point(F) 
53.6 °F - closed cup
Flash Point(C) 
12.0 °C - closed cup


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles


Pressure-Temperature Calculator for Solvents

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