Disodium 2-naphthol-3,6-disulfonate CAS 135-51-3

Disodium 2-naphthol-3,6-disulfonate CAS 135-51-3

CAS：135-51-3
La pureté：99%
Molecular Formula： C10H8O4S
Molecular Weight：224.23
EINECS：202-209-4
Période de stockage：2 ans
Synonym：2-Hydroxy-6-naphthalenesulfonicacid; 2-hydroxy-6-naphthalenesulfonicacid; 2-Hydroxynaphthalene-6-sulfonicacid; 2-Naphtol-6-sulfosaure; 6-hydroxy-2-naphthalenesulfonicaci;

What is Disodium 2-naphthol-3,6-disulfonate CAS 135-51-3?

Disodium 2-naphthol-3,6-disulfonate CAS 135-51-3 is an organic aromatic sulfonic acid compound, generally appearing as a gray white or light yellow crystalline powder, easily soluble in water, and belongs to the intermediate of naphthalene dyes.

Spécification

ARTICLE	STANDARD
Appearace	Colorless and lustrous filament needle crystal
Dosage	≥98%

Applications

1. Dye industry: Disodium 2-naphthol-3,6-disulfonate is a key intermediate for the production of acid dyes and direct dyes, such as direct sun resistant blue B2RL, direct copper salt blue 2R and other dyes.
2. Pigment industry: Disodium 2-naphthol-3,6-disulfonate can be used to prepare precursors for some organic pigments.
3. Chemical synthesis: Disodium 2-naphthol-3,6-disulfonate used as a reaction aid or intermediate in the synthesis process of some fine chemical products.

Caractéristiques

1. The chemical properties are relatively stable, and it is not easy to decompose under normal temperature and conventional acid-base conditions (weak acidic to weak alkaline)
2. Good water solubility, can quickly dissolve in water, and can form a uniform solution
3. Belonging to naphthalene derivatives, with sulfonic acid groups and hydroxyl groups in the molecular structure, it has certain reactivity and can participate in various organic synthesis reactions