Disodium 1,5-naphthalenedisulfonate, CAS No. 1655-29-4

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1655-29-4

Catalog No. EBD44910

CAS 1655-29-4

Name Disodium 1,5-naphthalenedisulfonate

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Basic Information

Synonyms: 1,5-Naphthalenedisulfonicaciddisodiumsalt Disodium1,5-naphthalenedisulfonate Sodium1,5-Naphthalenedisulfonate 1,5-Naphthalenedisulfonicacid,disodiumsalt 1,5-naphthalenedisulfonicacid,sodiumsalt(1:2) Disodiumnaphthalene-1,5-disulfonate (5-sodiosulfonyl-1-naphthyl)sulfonylsodium 1,5-Naphthalenedisulfonicaciddisudiumsalt Naphthalene-1,5-DisulfonicAcid,DisodiumSalt disodium1,5-naphthalenedisulfonatehydrate disodiumnaphthalene-1,5-disulphonate 1,5-naphthalenedisulfonicaciddisodiumsalthydrate 1,5-naphthalenedisulfonicacid,nasalt

Molecular Formula: C10H6Na2O6S2

Molecular Weight: 332.26

MDL Number: MFCD00064178

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Dye Precursors Synthetic Chemistry > Organic Building Blocks > Other Organic Building Blocks

Product Description:

Naphthalene-1,5-disulfonic acid disodium salt is an organic compound featuring a naphthalene core symmetrically substituted with two sulfonate groups at the 1 and 5 positions. It is typically obtained as a white to off-white crystalline powder and is highly soluble in water due to its ionic sulfonate groups. This compound serves as a key intermediate in the synthesis of various dyes and pigments. Its primary industrial application is in the production of acid dyes, particularly those used for coloring wool, silk, and nylon. The sulfonate groups impart water solubility and affinity for protein fibers. Furthermore, its rigid, planar aromatic structure makes it a valuable building block in the development of functional dyes and organic semiconductors, where it can be incorporated into larger conjugated systems. Beyond its role in dye chemistry, naphthalene-1,5-disulfonic acid disodium salt is also utilized in analytical chemistry as a reagent and in some specialized chemical synthesis processes. It is generally considered stable under normal conditions but should be handled with standard laboratory precautions.

Physical Properties

Density: 1.704 g/cm3

Storage: Store at RT.

Analytical Data

Appearance: grey powder