Chloral

Chloral
Names
	Preferred IUPAC name Trichloroacetaldehyde
	Other names Trichloroethanal
Identifiers
CAS Number	75-87-6 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	506422
ChEBI	CHEBI:48814;
ChEMBL	ChEMBL27551;
ChemSpider	6167 ;
DrugBank	DB02650;
ECHA InfoCard	100.000.829
EC Number	200-911-5;
KEGG	C14866 ;
PubChem CID	6407;
UNII	FLI06WS32H ;
CompTox Dashboard (EPA)	DTXSID7024744 ;
	InChI InChI=1S/C2HCl3O/c3-2(4,5)1-6/h1H Key: HFFLGKNGCAIQMO-UHFFFAOYSA-N;
	SMILES ClC(Cl)(Cl)C=O;
Properties
Chemical formula	C2HCl3O
Molar mass	147.38 g·mol−1
Appearance	Colorless liquid
Odor	Pungent and irritating
Density	1.404 g/cm3
Melting point	−57.5 °C (−71.5 °F; 215.7 K)
Boiling point	97.8 °C (208.0 °F; 370.9 K)
Solubility in water	Forms soluble hydrate
Solubility in ethanol	Miscible
Solubility in diethyl ether	Miscible
Solubility in chloroform	Miscible
Acidity (pKa)	9.66
Magnetic susceptibility (χ)	−6.77×10−5 cm3/mol
Refractive index (nD)	9.48846
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H302, H315, H319, H335
Precautionary statements	P261, P264, P270, P271, P280, P301+P310, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	480 mg/kg (rat, oral)
Related compounds
Related compounds	Fluoral, Bromal, Iodal
	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

Chloral, also known as trichloroacetaldehyde or trichloroethanal, is the organic compound with the formula Cl₃CCHO. This aldehyde is a colourless liquid that is soluble in a wide range of solvents. It reacts with water to form chloral hydrate, a once widely used sedative and hypnotic substance.