CAS 96-77-5

Phenol-2,4-disulfonic acid

Description:

Phenol-2,4-disulfonic acid, also known as 2,4-benzenedisulfonic acid, is an aromatic sulfonic acid characterized by the presence of two sulfonic acid groups (-SO3H) attached to a phenolic ring. This compound is typically a white to pale yellow solid that is soluble in water due to its ionic nature. It exhibits strong acidic properties, making it useful in various chemical applications, including as a reagent in organic synthesis and as a pH indicator. The presence of multiple sulfonic acid groups enhances its ability to form salts and complexes with metals, which can be advantageous in catalysis and material science. Additionally, phenol-2,4-disulfonic acid can act as a dye intermediate and is utilized in the production of various dyes and pigments. Its chemical structure allows for significant reactivity, particularly in electrophilic substitution reactions, making it a valuable compound in synthetic organic chemistry. Safety precautions should be observed when handling this substance, as it can be corrosive and may cause irritation to skin and mucous membranes.

Formula: C₆H₆O₇S₂

InChI: InChI=1S/C6H6O7S2/c7-5-2-1-4(14(8,9)10)3-6(5)15(11,12)13/h1-3,7H,(H,8,9,10)(H,11,12,13)

InChI key: InChIKey=JXBUOZMYKQDZFY-UHFFFAOYSA-N

SMILES: S(=O)(=O)(O)C1=CC(S(=O)(=O)O)=CC=C1O

Synonyms:

• 1,3-Benzenedisulfonic acid, 4-hydroxy-
• 1-Hydroxy-2,4-disulfobenzene
• 4-Hydroxy-1,3-benzenedisulfonic acid
• 4-Hydroxy-m-benzenedisulfonic acid
• 4-Hydroxybenzene-1,3-Disulfonic Acid
• NSC 227947
• Nsc 9798
• Phenol-2,4-disulfonic acid
• Phenoldisulfonic acid
• m-Benzenedisulfonic acid, 4-hydroxy-
• m-Benzenedisulfonic acid, 4-hydroxy- (8CI)

4-Hydroxy-1,3-benzenedisulfonic acid

CAS: 96-77-5

4-Hydroxy-1,3-benzenedisulfonic acid (4HBDS) is a reactive molecule that is used as a model system for the study of chain reactions. 4HBDS does not undergo hydrolysis or oxidation and is stable in water. It can be prepared by the reaction of nitrate with acetate extract and has been shown to react with diazonium salts to form an analytical method for nitrite ion. 4HBDS reacts with hydrochloric acid to generate proton and significant interactions are observed at pH values between 1 and 3.

Purity: Min. 95%

Ref: 3D-FH43257