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S7422

Sigma-Aldrich

5-Sulfosalicylic acid dihydrate

BioXtra, ≥99.0%

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Synonym(s):
2-Hydroxy-5-sulfobenzoic acid
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:
24899747
NACRES:
NA.21

product line

BioXtra

Quality Level

200

Assay

≥99.0%

impurities

≤0.0005% Phosphorus (P)
≤0.02% Insoluble matter

ign. residue

≤0.1%

mp

105-110 °C (lit.)

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.1%

cation traces

Al: ≤0.002%
Ca: ≤0.005%
Cu: ≤0.0005%
Fe: ≤0.002%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

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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General description

5-Sulfosalicylic acid dihydrate is a poly functional metal chelating agent. Within industry, it is used in the manufacture of organic catalysts and grease additives. Additionally, it serves as a colorimetric reagent for the detection of ferric ions, producing a violet color. This characteristic is particularly valuable for quantifying the amount of albumin in urine.

related product

Product No.
Description
Pricing

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

Certificates of Analysis (COA)

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