Monosodium tartrate

Monosodium tartrate

Names
IUPAC name Sodium 3-carboxy-2,3-dihydroxypropionate
Other names Sodium bitartrate; E335
Identifiers
CAS Registry Number	526-94-3 Y
ChemSpider	10239 N
EC number	238-470-6
InChI InChI=1S/C4H6O6.Na/c5-1(3(7)8)2(6)4(9)10;/h1-2,5-6H,(H,7,8)(H,9,10);/q;+1/p-1 N Key: NKAAEMMYHLFEFN-UHFFFAOYSA-M N InChI=1/C4H6O6.Na/c5-1(3(7)8)2(6)4(9)10;/h1-2,5-6H,(H,7,8)(H,9,10);/q;+1/p-1 Key: NKAAEMMYHLFEFN-REWHXWOFAB
Jmol-3D images	Image
PubChem	23690454
SMILES C(C(C(=O)[O-])O)(C(=O)O)O.[Na+]
Properties
Chemical formula	C4H5NaO6
Molar mass	172.07 g/mol
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
N verify (what is: Y/N?)
Infobox references

Monosodium tartrate or sodium bitartrate is a sodium acid salt of tartaric acid. As a food additive it is used as an acidity regulator and is known by the E number E335. As an analytical reagent, it can be used in a test for ammonium cation which gives a white precipitate.

See also

• Sodium tartrate, the disodium salt of tartaric acid