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Sigma-Aldrich

Propionaldehyde

reagent grade, 97%

Synonym(s):

Propanal

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About This Item

Linear Formula:
CH3CH2CHO
CAS Number:
123-38-6
Molecular Weight:
58.08
Beilstein/REAXYS Number:
506010
EC Number:
204-623-0
MDL number:
MFCD00007020
UNSPSC Code:
12352114
PubChem Substance ID:
329758002
NACRES:
NA.21

grade

reagent grade

Quality Level

100

vapor density

2 (vs air)

vapor pressure

18.77 psi ( 55 °C)
4.89 psi ( 20 °C)

assay

97%

form

liquid

autoignition temp.

404 °F

expl. lim.

17 %, 26 °F
2.6 %, 31 °F

impurities

≤2.5% (water)

refractive index

n20/D 1.362 (lit.)

bp

46-50 °C (lit.)

mp

−81 °C (lit.)

solubility

organic solvents: soluble

density

0.805 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

[H]C(=O)CC

InChI

1S/C3H6O/c1-2-3-4/h3H,2H2,1H3

InChI key

NBBJYMSMWIIQGU-UHFFFAOYSA-N

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General description

Propionaldehyde, also known as propanal, is commonly utilized as an intermediate in organic reactions. It can be synthesized by the oxidation of propane in gas-phase. Photodissociation behavior of propionaldehyde has been investigated by the Paneth mirror method. The degradation mechanism of propionaldehyde on Rh(111) surface has been analyzed using temperature programmed desorption (TPD) and high resolution electron energy loss spectroscopy (HREELS). 2-Çhloropropionaldehyde has been synthesized from propionaldehyde, via electrochemical chlorination. The presence of two stable rotamers in propionaldehyde has been reported based on microwave spectral data.

Application


  • Unraveling the electrocatalytic reduction mechanism of enols on copper in aqueous media.: Research on the electrocatalytic reduction mechanisms of enols, including implications for propionaldehyde, provides valuable information for chemical synthesis and industrial applications in catalysis (Cui et al., 2022).


signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 1

flash_point_f

-22.0 °F

flash_point_c

-30 °C

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Reactions of 1-propanol and propionaldehyde on rhodium (111).
Brown NF and Barteau MA.
Langmuir, 8(3), 862-869 (1992)
Mechanism of the Photolysis of Propionaldehyde.
Garrison WM and Burton M.
J. Chem. Phys., 10(12), 730-739 (1942)
Eagleson M.
Concise Encyclopedia Chemistry, 898-898 (1994)
Microwave spectrum of propionaldehyde.
Butcher SS and Wilson Jr EB.
J. Chem. Phys. , 40(6), 1671-1678 (1964)
Chlorination of propionaldehyde by electrolysis of aqueous chloride solutions.
Maksimov KHA, et al.
Russian Journal of Applied Chemistry, 68(4), 524-526 (1995)
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