1-Butanol

C4H10OCAS 71-36-374.12 g/mol

OH
Alcohol

Properties

Molecular formula
C4H10O
Molar mass
74.12 g/mol
Exact mass
74.0732 Da
Density
0.8098 g/mL (at 20 °C)
Melting point
−89.8 °C
Boiling point
117.7 °C
Critical temperature
289.9 °C (563.0 K)ChemSep
Critical pressure
44.23 barChemSep
Acentric factor
0.591ChemSep
Enthalpy of formation (gas)
−274.60 kJ/molChemSep
pKa
16.1
Flash point
29 °C (closed cup)
Water solubility
68 g/L (25 °C)
logP
0.78Crippen estimate
Polar surface area
20.2 Ų
H-bond donors / acceptors
1 / 1
Rotatable bonds
2

Hazards

Danger
Flammable (GHS02)Corrosive (GHS05)Irritant (GHS07)

Harmonised EU classification (CLP Annex VI, index 603-004-00-6), via PubChem.

Precautionary statements

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501

Identifiers

CAS number
71-36-3
SMILES
CCCCO
InChIKey
LRHPLDYGYMQRHN-UHFFFAOYSA-N
InChI
InChI=1S/C4H10O/c1-2-3-4-5/h5H,2-4H2,1H3
Characterization data

Calculated from the structure, in the form journals print them.

¹H NMR
Predicted ¹H NMR (400 MHz, CDCl₃) δ 3.62 (t, J = 7.0 Hz, 2H), 2.00 (br s, 1H), 1.63 (quint, J = 7.0 Hz, 2H), 1.27 (sext, J = 7.0 Hz, 2H), 0.86 (t, J = 7.0 Hz, 3H).
¹³C NMR
Predicted ¹³C NMR (101 MHz, CDCl₃) δ 62.7, 35.4, 19.1, 14.0.
[M + H]+
[M + H]+ Calcd for C4H11O 75.0804
[M + Na]+
[M + Na]+ Calcd for C4H10NaO 97.0624
[M − H]−
[M − H]− Calcd for C4H9O 73.0659
Elemental analysis
Anal. Calcd for C4H10O: C, 64.82; H, 13.60.

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

11 names
  • Butyl alcohol
  • Butanol
  • n-Butanol
  • n-Butyl alcohol
  • Butyl hydroxide
  • CCS 203
  • Methylolpropane
  • Propylcarbinol
  • Hemostyp
  • 1-Butyl alcohol
  • NSC 62782

Safety data sheets

2 stored sheets list this compound in section 3, matched by the CAS number 71-36-3. Each row opens the sheet with its composition and PDF.

Work with 1-Butanol

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Same formula

Elsewhere