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S3147

5-Sulfosalicylic acid dihydrate

Name: 5-Sulfosalicylic acid dihydrate
Brand: SIGMA

suitable for electrophoresis, ≥99%

Synonim(y):

2-Hydroxy-5-sulfobenzoic acid

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Informacje o tej pozycji

Wzór liniowy:

HO₃SC₆H₃-2-(OH)CO₂H·2H₂O

Numer CAS:

5965-83-3

Masa cząsteczkowa:

254.21

UNSPSC Code:

41105319

NACRES:

NB.22

PubChem Substance ID:

24899547

EC Number:

202-555-6

Beilstein/REAXYS Number:

650741

MDL number:

MFCD00149540

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Sigma-Aldrich

247006

5-Sulfosalicylic acid dihydrate

ACS reagent, ≥99%

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Właściwości

Quality Segment

200

assay

≥99%

form

powder or crystals

technique(s)

electrophoresis: suitable

impurities

≤0.02% Insoluble matter, ≤0.05% Salicylic Acid

mp

105-110 °C (lit.)

solubility

water: soluble 100 mg/mL, clear, colorless

anion traces

chloride (Cl^-): ≤0.001%, sulfate (SO₄^2-): ≤0.035%

cation traces

Fe: ≤0.001%, heavy metals (as Pb): ≤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

Opis

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).[1] It forms 1:1 proton-transfer compounds with the ortho-substituted monocyclic heteroaromatic Lewis bases. Their crystal structures have been studied.

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.[2] It may be used in the preparation of poly[[tris(di-2-pyridylamine)tris([μ]-5-sulfonatosalicylato)tricopper(II)] trihydrate].

5-Sulfosalicylic acid (3.5%) in 12% trichloroacetic acid is commonly used as a fixing solution for proteins in agarose and polyacrylamide gels.

Analysis Note

Tested for use in fixing solutions for PAGE, SDS-PAGE and IEF.

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Ta pozycja	8.00691	86195	S2130
Sigma-Aldrich S3147 5-Sulfosalicylic acid dihydrate	Sigma-Aldrich 8.00691 5-Sulfosalicylic acid dihydrate	Sigma-Aldrich 86195 5-Sulfosalicylic acid dihydrate	Sigma-Aldrich S2130 5-Sulfosalicylic acid dihydrate
assay ≥99%	assay ≥99.0% (acidimetric)	assay ≥98.0% (T)	assay ≥99%
technique(s) electrophoresis: suitable	technique(s) -	technique(s) -	technique(s) -
Quality Level 200	Quality Level 200	Quality Level 200	Quality Level 200
form powder or crystals	form crystals	form solid	form powder or crystals
solubility water: soluble 100 mg/mL, clear, colorless	solubility soluble 987 g/L	solubility water: soluble 127.1 g/L at 20 °C	solubility water: soluble 100 mg/mL, clear, colorless
cation traces Fe: ≤0.001%, heavy metals (as Pb): ≤0.002%	cation traces -	cation traces Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Na: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg	cation traces -