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

InChI: InChI=1/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);;/q;2*+1/p-2

InChI key: InChIKey=LKOLXLAFIYMWMU-UHFFFAOYSA-N

SMILES: OC=1C2=C(C=C(S(=O)(=O)O)C=C2O)C=C(S(=O)(=O)O)C1.[Na]

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
• Mordantbrown
• Sodium 1,8-dioxynaphthalene-3,6-disulfonate
• Sodium chromotropate
• CHROMOTROPICACID(1,8DIHYDROXYNAPTHALENE-3,6DISULFONICACID)
• chromogen c
• Disodium 1,8-dihydroxylnaphthalene-3,6-disulfonate
• disodium 4,5-dihydroxy-2,7-naphthalene sulfonate
• 1,8-Dihydroxy-3,6-naphthalenedisulfonic acid disodium salt
• 7-naphthalenedisulfonicacid,4,5-dihydroxy-disodiumsalt
• Disodium4,5-dihydroxy-naphthalenedisulfonate
• Chromotropicaciddisodiumsal
• Disodium chromotropicate
• Disidium4,4'-Bis(2-sulfonatostyryl)biphenyl
• 2,7-phthalenedisulfonicacid, 4,5-dihydroxy-, sodium salt (1:2)
• 2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-,disodiumsalt
• Nsc4883

Disodium Chromotropate Dihydrate

CAS: 129-96-4, 5808-22-0

Formula: C₁₀H₆Na₂O₈S₂·2H₂O

Purity: >98.0%(T)

Color and Shape: White to Gray to Brown powder to crystaline

Molecular weight: 400.28

Ref: 3B-D0596

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

CAS: 129-96-4

Formula: C₁₀H₈NaO₈S₂

Molecular weight: 343.2855

Ref: IN-DA009AHC

Chromotropic Acid Disodium Salt

CAS: 129-96-4

Formula: C₁₀H₆O₈S₂·2Na

Color and Shape: Off-White Solid

Molecular weight: 318.27 2 22.99

Ref: 4Z-C-183001

Chromotropic acid disodium

CAS: 129-96-4

Chromotropic acid disodium is a versatile dye utilized in numerous fields. Dyes play a crucial role in biological research, assisting scientists in cell structure observation, biomolecule tracking, cell function evaluation, cell type distinction, biomolecule detection, tissue pathology studies, and microorganism monitoring. Their uses extend from fundamental scientific investigations to a broad array of clinical diagnostics. Additionally, dyes find applications in traditional areas like textile dyeing and are increasingly important in emerging sectors such as functional textile processing, food pigmentation, and dye-sensitized solar cells.

Formula: C₁₀H₆Na₂O₈S₂

Molecular weight: 364.26

Ref: TM-T86057