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Propionaldehyde, 97%

Product Code. 11474010
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This item is not returnable. View return policy
Regulatory: This product is an isolated intermediate transported in accordance with Regulation (EC) 1907/2006 (REACH). All customers must complete a declaration before delivery.
Product Code. 11474010 Supplier Thermo Scientific Alfa Aesar Supplier No. A16146.AP
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Estimated Shipment: 02-10-2026
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This item is not returnable. View return policy
Regulatory: This product is an isolated intermediate transported in accordance with Regulation (EC) 1907/2006 (REACH). All customers must complete a declaration before delivery.

Description

CAS: 123-38-6 | C3H6O | 58.08 g/mol

Propionaldehyde applications include as an intermediate, in pharmaceuticals, perfumes, plastics and polyols or polyhydric alcohols. It is also used as a precursor to trimethylolethane (CH3C(CH2OH)3) through a condensation reaction with formaldehyde, this triol is an important intermediate in the production of alkyd resins. Other applications include reduction to propanol and oxidation to propionic acid. Also used in PEGylated protein purification.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Propionaldehyde applications include as an intermediate, in pharmaceuticals, perfumes, plastics and polyols or polyhydric alcohols. It is also used as a precursor to trimethylolethane (CH3C(CH2OH)3) through a condensation reaction with formaldehyde, this triol is an important intermediate in the production of alkyd resins. Other applications include reduction to propanol and oxidation to propionic acid. Also used in PEGylated protein purification.

Solubility
Fully miscible in water.

Notes
Air sensitive. Incompatible with oxidizing agents and heat.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 123-38-6
Molecular Formula C3H6O
Molecular Weight (g/mol) 58.08
MDL Number MFCD00007020
InChI Key NBBJYMSMWIIQGU-UHFFFAOYSA-N
Synonym propionaldehyde, propanaldehyde, propaldehyde, propional, propionic aldehyde, n-propanal, methylacetaldehyde, propylaldehyde, propylic aldehyde, aldehyde propionique
PubChem CID 527
ChEBI CHEBI:17153
IUPAC Name propanal
SMILES CCC=O

Tekniske data

Melting Point -81°C
Density 0.81
Boiling Point 47°C to 49°C
Flash Point −40°C (−40°F)
Odor Pungent
Refractive Index 1.362
Quantity 500 mL
UN Number UN1275
Beilstein 506010
Sensitivity Air sensitive
Merck Index 14,7823
Solubility Information Fully miscible in water.
Formula Weight 58.08
Percent Purity 97%
Chemical Name or Material Propionaldehyde
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RUO – Research Use Only

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