Gluconic acid

d-Gluconic acid

Names
IUPAC name d-Gluconic acid
Systematic IUPAC name (2R,3S,4R,5R)-2,3,4,5,6-Pentahydroxyhexanoic acid
Other names Dextronic acid
Identifiers
CAS Number	526-95-4 (D) Y 133-42-6 (racemate) Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:33198 Y
ChEMBL	ChEMBL464345 Y
ChemSpider	10240 Y
ECHA InfoCard	100.007.639
EC Number	208-401-4
E number	E574 (acidity regulators, ...)
PubChem CID	10690
UNII	R4R8J0Q44B (D) Y
CompTox Dashboard (EPA)	DTXSID8027169
InChI InChI=1S/C6H12O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h2-5,7-11H,1H2,(H,12,13)/t2-,3-,4+,5-/m1/s1 Y Key: RGHNJXZEOKUKBD-SQOUGZDYSA-N Y InChI=1/C6H12O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h2-5,7-11H,1H2,(H,12,13)/t2-,3-,4+,5-/m1/s1 Key: RGHNJXZEOKUKBD-SQOUGZDYBY
SMILES O=C(O)[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO
Properties
Chemical formula	C6H12O7
Molar mass	196.155 g·mol−1
Appearance	Colorless crystals
Melting point	131 °C (268 °F; 404 K)
Solubility in water	316 g/L[1]
Acidity (pKa)	3.86[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Gluconic acid is an organic compound with molecular formula C₆H₁₂O₇ and condensed structural formula HOCH₂(CHOH)₄CO₂H. A white solid, it forms the gluconate anion in neutral aqueous solution. The salts of gluconic acid are known as "gluconates". Gluconic acid, gluconate salts, and gluconate esters occur widely in nature because such species arise from the oxidation of glucose. Some drugs are injected in the form of gluconates.