Armstrong's acid - Wikipedia
网页Armstrong's acid (naphthalene-1,5-disulfonic acid) is a fluorescent organic compound with the formula C 10 H 6 (SO 3 H) 2. It is one of several isomers of naphthalenedisulfonic acid. It a colorless solid, typically obtained as the tetrahydrate. [1] Like other sulfonic acids, it is a strong acid. It is named for British chemist Henry Edward ...
Disulfonic acid | Sigma-Aldrich - MilliporeSigma
网页Find disulfonic acid and related products for scientific research at MilliporeSigma.
Ethanedisulfonic acid - Wikipedia
网页Ethanedisulfonic acid is a diprotic sulfonic acid, with pKa values of -1.46 and -2.06, making it a very strong acid. When used in pharmaceutical formulations, the salts with the active ingredient are known as edisylates .
4,4′-Diamino-2,2′-stilbenedisulfonic acid - Wikipedia
网页4,4′-Diamino-2,2′-stilbenedisulfonic acid is the organic compound with the formula (H 2 NC 6 H 3 SO 3 H) 2 C 2 H 2. It is a white, water-soluble solid. Structurally, it is a derivative of trans- stilbene, containing amino and sulfonic acid functional groups on …
Developments in Methods of Analysis for Naphthalene Sulfonates
网页2016年9月30日 · Naphthalene sulfonates are highly water-soluble compounds, indicating a high mobility in aquatic systems along with high temperature stability, which are important substances in the chemical industry. This review covers analytical methods, instruments and techniques used for the pre-concentration and analysis of naphthalene sulfonates in ...
Preparation, characterization and use of 1,3-disulfonic acid ...
网页2012年12月1日 · Novel 1,3-disulfonic acid imidazolium hydrogen sulfate, a halogen-free ionic liquid, is a recyclable and eco-benign catalyst for the trimethylsilyl protection of hydroxyl groups at room temperature under solvent free conditions to afford trimethylsilanes in excellent yields (92–100%) and in very short reaction times (1–5 min).
Covalently tethering disulfonic acid moieties onto …
网页2022年2月15日 · Covalently tethering disulfonic acid moieties onto polyoxometalate boosts acid strength and catalytic performance for hydroxyalkylation/alkylation reaction
1,2-Ethanedisulfonic acid | C2H6O6S2 | CID 8032 - PubChem
网页1,2-Ethanedisulfonic acid | C2H6O6S2 | CID 8032 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
The presence of disulfide bonds reveals an evolutionarily …
网页2016年6月6日 · Disulfide bonds are covalent links between two cysteine residues of proteins, typically introduced posttranslationally through thiol-disulfide exchange reactions. Disulfide bond formation can be...
Quantification of Thiols and Disulfides - PMC - National Center for ...
网页Thiol-disulfide exchange. The attack of a thiolate (the nucleophile, S-n) on a disulfide bond takes place through a linear transition state where the central sulfur atom (Sc) will participate in a new disulfide bond and resolution of a new leaving group thiolate (S-lg).