Lead citrate

Lead citrate is a compound of lead and citrate that is primarily used as an enhancer for heavy metal staining in electron microscopy. This salt binds to osmium and uranyl acetate and enhances contrast in many cellular structures. Lead citrate is highly reactive with carbon dioxide.

Lead citrate

Names
IUPAC name 2-hydroxypropane-1,2,3-tricarboxylate; lead(2+); trihydrate
Other names Lead citrate trihydrate
Identifiers
CAS Number	14450-60-3 trihydrate: 512-26-5
3D model (JSmol)	Interactive image trihydrate: Interactive image
ChemSpider	140452
ECHA InfoCard	100.007.402
EC Number	208-141-1
PubChem CID	159739
CompTox Dashboard (EPA)	DTXSID70889425
InChI InChI=1S/2C6H8O7.3Pb/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;;3*+2/p-6 Key: HOQPTLCRWVZIQZ-UHFFFAOYSA-H
SMILES C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.[Pb+2].[Pb+2].[Pb+2] trihydrate: C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.O.[Pb+2].[Pb+2].[Pb+2]
Properties
Chemical formula	C12H10O14Pb3
Molar mass	999.8 g·mol−1
Appearance	White odorless powder or crystals
Density	4.63 g/cm3
Boiling point	309.6 °C (589.3 °F; 582.8 K)
Solubility in water	Soluble in water, slightly soluble in alcohol
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H332, H360, H373, H410
Precautionary statements	P201, P202, P260, P261, P264, P270, P271, P273, P281, P301+P312, P304+P312, P304+P340, P308+P313, P312, P314, P330, P391, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references