Delphinidin

Delphinidin
Names
	IUPAC name 3,3′,4′,5,5′,7-Hexahydroxyflavylium
	Systematic IUPAC name 3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-1λ4-1-benzopyran-1-ylium
Identifiers
CAS Number	13270-61-6 ; 528-53-0 (chloride) ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:28436 ;
ChEMBL	ChEMBL590878 ; ChEMBL276780 ;
ChemSpider	114185 ;
ECHA InfoCard	100.007.671
E number	E163b (colours)
KEGG	C05908 ;
PubChem CID	68245;
UNII	031A4BN94T ; EM6MD4AEHE (chloride) ;
CompTox Dashboard (EPA)	DTXSID701019982 ;
	InChI InChI=1S/C15H10O7.ClH/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6;/h1-5H,(H5-,16,17,18,19,20,21);1H Key: FFNDMZIBVDSQFI-UHFFFAOYSA-N ; InChI=1/C15H10O7.ClH/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6;/h1-5H,(H5-,16,17,18,19,20,21);1H Key: FFNDMZIBVDSQFI-UHFFFAOYAW;
	SMILES C1=C(C=C(C(=C1O)O)O)C2=C(C=C3C(=CC(=CC3=[O+]2)O)O)O.[Cl-];
Properties
Chemical formula	C15H11O7+
Molar mass	303.24 g/mol
	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

Delphinidin (also delphinidine) is an anthocyanidin, a primary plant pigment, and also an antioxidant. Delphinidin gives blue hues to flowers in the genera Viola and Delphinium. It also gives the blue-red color of the grape variety Cabernet Sauvignon, and can be found in cranberries and Concord grapes as well as pomegranates, and bilberries.

Delphinidin, like nearly all other anthocyanidins, is pH-sensitive, i.e. a natural pH indicator, and changes from blue in basic solution to red in acidic solution.