BAPTA

BAPTA
Names
	Preferred IUPAC name 2,2′,2′′,2′′′-[Ethane-1,2-diylbis(oxy-2,1-phenylenenitrilo)]tetraacetic acid
Identifiers
CAS Number	85233-19-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:60888 ;
ChemSpider	94562 ;
ECHA InfoCard	100.157.377
PubChem CID	104751;
UNII	K22DDW77C0 ;
CompTox Dashboard (EPA)	DTXSID30234432 ;
	InChI InChI=1S/C22H24N2O10/c25-19(26)11-23(12-20(27)28)15-5-1-3-7-17(15)33-9-10-34-18-8-4-2-6-16(18)24(13-21(29)30)14-22(31)32/h1-8H,9-14H2,(H,25,26)(H,27,28)(H,29,30)(H,31,32) Key: FTEDXVNDVHYDQW-UHFFFAOYSA-N ; InChI=1/C22H24N2O10/c25-19(26)11-23(12-20(27)28)15-5-1-3-7-17(15)33-9-10-34-18-8-4-2-6-16(18)24(13-21(29)30)14-22(31)32/h1-8H,9-14H2,(H,25,26)(H,27,28)(H,29,30)(H,31,32) Key: FTEDXVNDVHYDQW-UHFFFAOYAD;
	SMILES O=C(O)CN(c2ccccc2OCCOc1ccccc1N(CC(=O)O)CC(=O)O)CC(=O)O;
Properties
Chemical formula	C22H24N2O10
Molar mass	476.433
Density	1.494 g/cm3
Melting point	177 to 179 °C (351 to 354 °F; 450 to 452 K)
	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

BAPTA (1,2-bis(o-amino phenoxy)ethane-N,N,N′,N′-tetraacetic acid) is an aminopolycarboxylic acid with a high affinity for calcium. It is a white solid. It is used in research to chelate Ca²⁺, as it behaves similarly to EGTA and EDTA.