5-Sulfosalicylic acid

Sulfosalicylic acid is used in urine tests to determine urine protein content. The chemical causes the precipitation of dissolved proteins, which is measured from the degree of turbidity.^[1]

Sulfosalicylic acid

Names
IUPAC name 2-Hydroxy-5-sulfobenzoic acid
Identifiers
CAS Number	97-05-2 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:68555
ChEMBL	ChEMBL229241 Y
ChemSpider	7046 Y
ECHA InfoCard	100.002.324
EC Number	202-555-6
KEGG	C16199 Y
PubChem CID	7322
UNII	L8XED79U3U Y
CompTox Dashboard (EPA)	DTXSID7059145
InChI InChI=1S/C7H6O6S/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10/h1-3,8H,(H,9,10)(H,11,12,13) Y Key: YCPXWRQRBFJBPZ-UHFFFAOYSA-N Y InChI=1/C7H6O6S/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10/h1-3,8H,(H,9,10)(H,11,12,13) Key: YCPXWRQRBFJBPZ-UHFFFAOYAD
SMILES O=C(O)c1cc(ccc1O)S(=O)(=O)O
Properties
Chemical formula	C7H6O6S
Molar mass	218.185 g/mol
Melting point	120 °C (248 °F; 393 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

It is also used for integral colour anodizing.

With water it is used as a shuttle solution for the CAS assay to test for siderophore.

See also

• Salicylic acid