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247006

Sigma-Aldrich

5-Sulfosalicylic acid dihydrate

ACS reagent, ≥99%

Synonym(s):

2-Hydroxy-5-sulfobenzoic acid

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About This Item

Linear Formula:
HO3SC6H3-2-(OH)CO2H·2H2O
CAS Number:
5965-83-3
Molecular Weight:
254.21
Beilstein:
650741
EC Number:
202-555-6
MDL number:
MFCD00149540
UNSPSC Code:
12352100
PubChem Substance ID:
24854842
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

Assay

≥99%
99.0-101.0% (ACS specification)

form

solid

impurities

≤0.02% insolubles
≤0.04% salicylic acid

ign. residue

≤0.1%

mp

105-110 °C (lit.)

solubility

water: soluble 127.1 g/L at 20 °C

anion traces

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.02%

cation traces

Fe: ≤0.001%
heavy metals: ≤0.002%

SMILES string

[H]O[H].[H]O[H].OC(=O)c1cc(ccc1O)S(O)(=O)=O

InChI

1S/C7H6O6S.2H2O/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);2*1H2

InChI key

BHDKTFQBRFWJKR-UHFFFAOYSA-N

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Related Categories

Application

5-Sulfosalicylic acid dihydrate is a poly functional metal chelating ligand that may be used to form metal coordination complexes.
Spray reagent for the detection of amino acids on TLC plates. Doping agent for polyaniline.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Synthesis, structure, and physical properties of calcium and strontium complexes with the ligand sulfosalicylic acid
Wu G, et al
Zeitschrift fur Anorganische und Allgemeine Chemie, 636(3?4), 652-656 (2010)
Butyltin (IV) 5-sulfosalicylates: structural characterization and their cytostatic activity
Pruchnik H, et al
Polyhedron, 49(1), 223-233 (2013)
B Basak et al.
Amino acids, 4(1-2), 193-196 (1993-02-01)
A spray reagent for easy identification of amino acids on thin-layer chromatography plates has been introduced. The reagent is capable of developing various distinguishable colours with many of them. A probable mechanism for such colour formation has also been proposed.
Charge transport and optical and magnetic properties of polyaniline synthesized with use of organic acids.
Raghunathan et al.
Physical review. B, Condensed matter, 47(20), 13189-13196 (1993-05-15)
Synthetic Metals, 58, 309-309 (1993)
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