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5-Sulfosalicylic acid dihydrate

SIGMA/S3147 - suitable for electrophoresis, ≥99%

Synonym: 2-Hydroxy-5-sulfobenzoic acid

CAS Number: 5965-83-3
Empirical Formula (Hill Notation): C7H6O6S · 2H2O
Molecular Weight: 254.21
EC Number: 202-555-6
MDL Number: MFCD00149540
Linear Formula: HO3SC6H3-2-(OH)CO2H·2H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-S3147-100G 100 g
 $51.60
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45-S3147-500G 500 g
 $194.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: S3147-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: S3147-500G

 

anion traces chloride (Cl-): ≤0.001%
  sulfate (SO42-): ≤0.035%
assay ≥99%
cation traces Fe: ≤0.001%
  heavy metals (as Pb): ≤0.002%
form powder or crystals
impurities ≤0.02% Insoluble matter
  ≤0.05% Salicylic Acid
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
mp 105-110 °C (lit.)
Quality Level 200 
SMILES string [H]O[H].[H]O[H].OC(=O)c1cc(ccc1O)S(O)(=O)=O
solubility water: soluble 100 mg/mL, clear, colorless
technique(s) electrophoresis: suitable
Analysis Note: Tested for use in fixing solutions for PAGE, SDS-PAGE and IEF.
Application: 5-Sulfosalicylic acid (3.5%) in 12% trichloroacetic acid is commonly used as a fixing solution for proteins in agarose and polyacrylamide gels.
Application: 5-Sulfosalicylic acid dihydrate may be employed for the quantification of doxorubicin derived from PEGylated liposomal doxorubicin (Doxil) and its major metabolite in human plasma by HPLC. It may be used in the preparation of poly[[tris(di-2-pyridylamine)tris([μ]-5-sulfonatosalicylato)tricopper(II)] trihydrate].
General description: 5-Sulfosalicylic acid is a strong acid capable of protonating water. It forms a new theophylline complex, which was investigated by X-ray photoelectron spectroscopy (XPS). It forms 1:1 proton-transfer compounds with the ortho-substituted monocyclic heteroaromatic Lewis bases. Their crystal structures have been studied.
Packaging: 100, 500 g in poly bottle
Purity ≥99%
mp 105-110 °C (lit.)
UNSPSC 41105319

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