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
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.324
EC Number
  • 202-555-6
KEGG
UNII
  • 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) checkY
    Key: YCPXWRQRBFJBPZ-UHFFFAOYSA-N checkY
  • 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
  • O=C(O)c1cc(ccc1O)S(=O)(=O)O
Properties
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).
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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

References
  1. Sulfosalicylic acid Archived 2008-06-19 at the Wayback Machine, Family Practice Notebook website
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