Propionaldehyde

Propionaldehyde
Skeletal formula of propionaldehyde (propanal)	Flat structure
Names
	IUPAC name Propionaldehyde
	Preferred IUPAC name Propanal
	Other names Methylacetaldehyde; Propionic aldehyde; Propaldehyde; Propan-1-one;
Identifiers
CAS Number	123-38-6 ;
3D model (JSmol)	Interactive image;
3DMet	B01258;
ChEBI	CHEBI:17153 ;
ChEMBL	ChEMBL275626 ;
ChemSpider	512 ;
ECHA InfoCard	100.004.204
EC Number	204-623-0;
KEGG	C00479;
PubChem CID	527;
RTECS number	UE0350000;
UNII	AMJ2B4M67V ;
UN number	1275
CompTox Dashboard (EPA)	DTXSID2021658 ;
	InChI InChI=1S/C3H6O/c1-2-3-4/h3H,2H2,1H3 Key: NBBJYMSMWIIQGU-UHFFFAOYSA-N ;
	SMILES CCC=O;
Properties
Chemical formula	C3H6O
Molar mass	58.080 g·mol−1
Appearance	Colourless liquid;
Odor	Pungent and fruity
Density	0.81 g cm−3
Melting point	−81 °C (−114 °F; 192 K)
Boiling point	46 to 50 °C (115 to 122 °F; 319 to 323 K)
Solubility in water	20 g/100 mL
Magnetic susceptibility (χ)	-34.32·10−6 cm3/mol
Viscosity	0.6 cP at 20 °C
Structure
Molecular shape	C1, O: sp2 C2, C3: sp3
Dipole moment	2.52 D
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H302, H315, H318, H332, H335
Precautionary statements	P210, P261, P280, P304+P340+P312, P305+P351+P338, P310, P403+P235
NFPA 704 (fire diamond)	2 3 2
Flash point	−26 °C (−15 °F; 247 K)
Autoignition; temperature	175 °C (347 °F; 448 K)
Related compounds
Related aldehydes	Acetaldehyde; Butyraldehyde
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Propionaldehyde or propanal is the organic compound with the formula CH₃CH₂CHO. It is the 3-carbon aldehyde. It is a colourless, flammable liquid with a pungent and fruity odour. It is produced on a large scale industrially.

^ ^a ^b Record of Propanal in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 22 March 2020.

[GESTIS-1] Record of Propanal in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 22 March 2020.

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