Benzoin (organic compound)

Benzoin
Names
	Preferred IUPAC name 2-Hydroxy-1,2-diphenylethan-1-one
	Other names 2-Hydroxy-2-phenylacetophenone; 2-Hydroxy-1,2-diphenylethanone; Desyl alcohol; Bitter almond oil camphor
Identifiers
CAS Number	119-53-9 ;
3D model (JSmol)	Interactive image; Interactive image;
3DMet	B00286;
Beilstein Reference	391839
ChEBI	CHEBI:17682 ;
ChEMBL	ChEMBL190677 ;
ChemSpider	8093 ;
ECHA InfoCard	100.003.938
KEGG	C01408 ;
PubChem CID	8400;
RTECS number	DI1590000;
UNII	L7J6A1NE81 ;
CompTox Dashboard (EPA)	DTXSID1020144 ;
	InChI InChI=1S/C14H12O2/c15-13(11-7-3-1-4-8-11)14(16)12-9-5-2-6-10-12/h1-10,13,15H Key: ISAOCJYIOMOJEB-UHFFFAOYSA-N ; InChI=1/C14H12O2/c15-13(11-7-3-1-4-8-11)14(16)12-9-5-2-6-10-12/h1-10,13,15H Key: ISAOCJYIOMOJEB-UHFFFAOYAO;
	SMILES O=C(c1ccccc1)C(O)c2ccccc2; c1ccc(cc1)C(C(=O)c2ccccc2)O;
Properties
Chemical formula	C14H12O2
Molar mass	212.248 g·mol−1
Appearance	Off-white crystals
Density	1.310 g/cm3 (20 °C)
Melting point	135 to 139 °C (275 to 282 °F; 408 to 412 K)
Boiling point	330 to 356 °C (626 to 673 °F; 603 to 629 K)
Solubility in water	Slightly soluble
Solubility in ethanol	Very good
Solubility in ether	Slightly soluble
Solubility in chlorine	Soluble
Solubility in chloroform	Very good
Hazards
	GHS labelling:
Hazard statements	H412
Precautionary statements	P273, P501
NFPA 704 (fire diamond)	1 1 0
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	10.000 mg/kg
	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

Benzoin (/ˈbɛnzoʊ.ɪn/ or /-ɔɪn/) is an organic compound with the formula PhCH(OH)C(O)Ph. It is a hydroxy ketone attached to two phenyl groups. It appears as off-white crystals, with a light camphor-like odor. Benzoin is synthesized from benzaldehyde in the benzoin condensation. It is chiral and it exists as a pair of enantiomers: (R)-benzoin and (S)-benzoin.

Benzoin is not a constituent of benzoin resin obtained from the benzoin tree (Styrax) or tincture of benzoin. The main component in these natural products is benzoic acid.

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