CAS 98-48-6

1,3-Benzenedisulfonic acid

Description:

1,3-Benzenedisulfonic acid, with the CAS number 98-48-6, is an aromatic sulfonic acid characterized by the presence of two sulfonic acid groups (-SO3H) attached to a benzene ring at the 1 and 3 positions. This compound is typically a white to light yellow crystalline solid that is soluble in water, reflecting its polar nature due to the sulfonic acid groups. It has a high melting point and exhibits strong acidity, making it useful in various chemical applications. 1,3-Benzenedisulfonic acid serves as an important intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds. Additionally, it can act as a reagent in organic synthesis and is utilized in the preparation of sulfonamide compounds. Its ability to form salts and esters further enhances its versatility in chemical reactions. Safety precautions should be observed when handling this compound, as it can be corrosive and may cause irritation to skin and eyes.

Formula: C₆H₆O₆S₂

InChI: InChI=1S/C6H6O6S2/c7-13(8,9)5-2-1-3-6(4-5)14(10,11)12/h1-4H,(H,7,8,9)(H,10,11,12)

InChI key: InChIKey=WRUAHXANJKHFIL-UHFFFAOYSA-N

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

Synonyms:

• 1,3-Benzenedisulfonic acid
• m-Benzenedisulfonic acid