CAS 129-96-4: 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt (1:2)

Description:2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt (1:2), commonly referred to as sodium 2,7-naphthalenedisulfonate, is an organic compound characterized by its naphthalene backbone with two sulfonic acid groups and two hydroxyl groups. This compound is typically a white to light yellow powder that is soluble in water, making it useful in various applications, including as a dye intermediate and in the formulation of surfactants. The presence of sulfonic acid groups imparts strong acidic properties, while the hydroxyl groups contribute to its reactivity and potential for hydrogen bonding. Its sodium salt form enhances its solubility and stability in aqueous solutions. This compound is often utilized in the textile and paper industries, as well as in the synthesis of other chemical products. Safety data indicates that it should be handled with care, as with many chemical substances, to avoid potential irritation or adverse reactions. Overall, its unique structure and properties make it valuable in both industrial and research settings.

Formula:C₁₀H₈O₈S₂·2Na

InChI:InChI=1S/C10H8O8S2.2Na/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;

InChI key:InChIKey=LKOLXLAFIYMWMU-UHFFFAOYSA-N

SMILES:[Na].O=S(=O)(O)C=1C=C(O)C2=C(O)C=C(C=C2C1)S(=O)(=O)O

Synonyms:
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, disodium salt
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt (1:2)
4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt
Chromotropic acid disodium salt
Disodium 1,8-dihydroxynaphthalene-3,6-disulfonate
Disodium 4,5-Dihydroxynaphthalene-2,7-Disulfonate
Disodium 4,5-Dihydroxynaphthalene-2,7-Disulphonate
Disodium chromotropate
Disodium naphthalene-1,8-dihydroxy-3,6-disulfonate
Mordant Brown 7
See more synonyms
Mordantbrown
Sodium 1,8-dioxynaphthalene-3,6-disulfonate
Sodium chromotropate

Found 4 products.

Product data	Purity	Price range	Estimated delivery
Disodium Chromotropate Dihydrate REF: 3B-D0596CAS: 129-96-4 5808-22-0	>98.0%(T)	64.00 €~488.00 €	Mon 31 Mar 25
CHROMOTROPIC ACID DISODIUM SALT REF: IN-DA009AHCCAS: 129-96-4	- - -	To inquire	Mon 07 Apr 25
Chromotropic Acid Disodium Salt REF: 4Z-C-183001CAS: 129-96-4	- - -	To inquire	Tue 08 Apr 25
Chromotropic acid disodium salt anhydrate REF: 3D-FC158190CAS: 129-96-4	Min. 95%	- - -	Discontinued product