Butyraldehyde

Butyraldehyde[1]
Structural formula of butyraldehyde
Flat structure
Ball-and-stick model
Names
Preferred IUPAC name
Butanal
Other names
Butyraldehyde
Identifiers
3D model (JSmol)
3DMet
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.004.225 Edit this at Wikidata
EC Number
  • 204-646-6
KEGG
RTECS number
  • ES2275000
UNII
UN number 1129
  • InChI=1S/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3 checkY
    Key: ZTQSAGDEMFDKMZ-UHFFFAOYSA-N checkY
  • InChI=1/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3
    Key: ZTQSAGDEMFDKMZ-UHFFFAOYAZ
  • O=CCCC
Properties
C4H8O
Molar mass 72.107 g·mol−1
Appearance Colorless liquid
Odor Pungent, aldehyde odor
Density 0.8016 g/mL
Melting point −96.86 °C (−142.35 °F; 176.29 K)
Boiling point 74.8 °C (166.6 °F; 347.9 K)
Critical point (T, P) 537 K (264 °C),
4.32 MPa (42.6 atm)
7.6 g/100 mL (20 °C)
Solubility Miscible with organic solvents
log P 0.88
−46.08·10−6 cm3/mol
1.3766
Viscosity 0.45 cP (20 °C)
2.72 D
Thermochemistry[2]
163.7 J·mol−1·K−1 (liquid)
103.4 J·mol−1·K−1 (gas)
246.6 J·mol−1·K−1 (liquid)
343.7 J·mol−1·K−1 (gas)
−239.2 kJ·mol−1 (liquid)
−204.8 kJ·mol−1 (gas)
2470.34 kJ·mol−1
Hazards
GHS labelling:
GHS02: Flammable GHS07: Exclamation mark[3]
Danger
H225, H319[3]
P210, P280, P302+P352, P304+P340, P305+P351+P338[3]
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasolineInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
3
3
0
Flash point −7 °C (19 °F; 266 K)
230 °C (446 °F; 503 K)
Explosive limits 1.9–12.5%
Lethal dose or concentration (LD, LC):
2490 mg/kg (rat, oral)
Safety data sheet (SDS) Sigma-Aldrich
Related compounds
Related aldehyde
Propionaldehyde
Pentanal
Related compounds
Butan-1-ol
Butyric acid, isobutyraldehyde
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Butyraldehyde, also known as butanal, is an organic compound with the formula CH3(CH2)2CHO. This compound is the aldehyde derivative of butane. It is a colorless flammable liquid with an unpleasant smell. It is miscible with most organic solvents.

  1. ^ Merck Index, 11th Edition, 1591.
  2. ^ CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. William M. Haynes, David R. Lide, Thomas J. Bruno (2016-2017, 97th ed.). Boca Raton, Florida. 2016. ISBN 978-1-4987-5428-6. OCLC 930681942.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)
  3. ^ a b c Record of Butyraldehyde in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 13 March 2020.