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S7422

Sigma-Aldrich

5-Sulfosalicylic acid dihydrate

BioXtra, ≥99.0%

Synonym(s):

2-Hydroxy-5-sulfobenzoic acid

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About This Item

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

product line

BioXtra

Quality Level

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%

functional group

carboxylic acid
sulfonic acid

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.

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Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The Merck Index (Online)
The Merck Index , M10364-M10364 null
M Vázquez et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 74, 349-359 (2014-12-03)
The mercurial forms [inorganic divalent mercury, Hg(II) and methylmercury, CH3Hg] produce neurological and immune effects as well as hematological and renal alterations. The main route of exposure is through the diet. Consequently, the gastrointestinal mucosa is exposed to these mercurial
Yu Zhu et al.
Molecular pharmaceutics, 12(2), 332-341 (2014-08-26)
Polycations are explored as carriers to deliver therapeutic nucleic acids. Polycations are conventionally pharmacological inert with the sole function of delivering therapeutic cargo. This study reports synthesis of a self-immolative polycation (DSS-BEN) based on a polyamine analogue drug N(1),N(11)-bisethylnorspermine (BENSpm).
Swati Naphade et al.
Stem cells (Dayton, Ohio), 33(1), 301-309 (2014-09-05)
Despite controversies on the potential of hematopoietic stem cells (HSCs) to promote tissue repair, we previously showed that HSC transplantation could correct cystinosis, a multisystemic lysosomal storage disease, caused by a defective lysosomal membrane cystine transporter, cystinosin (CTNS gene). Addressing

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