1,5-Naphthalenedisulfonic acid CAS 81-04-9

CAS:81-04-9
Molecular Formula:C10H8O6S2
Molecular Weight:288.3
EINECS:201-317-9
Synonyms:Naphthalin-1,5-disulfonsure; 1,5-phthalenedisulfonic acid; NAPHTHALENE-1,5-DISULFONIC ACID DISODIUM SALT; naphthalene-1,5-disulphonic acid; SODIUM 1,5-NAPHTHALENEDISULFONATE DIBASIC; 1,5-Naphthalenedisulphonicacid; 1,5-naphthylenedisulfonicacid; 2-Naphthylaminedisulfonicacid

CAS: 81-04-9
MF: C10H8O6S2
1,5-Naphthalenedisulfonic acid CAS 81-04-9
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What is 1,5-Naphthalenedisulfonic acid CAS 81-04-9?

1, 5-naphthalenedisulfonic acid is a white flake crystal (with tetragolecular crystal water). The melting point of 1, 5-naphthalenedisulfonic acid is 240-245 ° C (anhydrous). Soluble in water and ethanol, insoluble in ether.

Specification

Item Specification
Melting point 242.5°C
Boiling point 400.53°C
Density 1.7040
Vapor pressure 0Pa at 25℃
Refractive index 1.5630
LogP -0.94
Acidity coefficient (pKa) -0.60±0.40

Application

1, 5-naphthalenedisulfonic acid is used as an intermediate in dyes. For the manufacture of 1, 5-dihydroxynaphthalene, amino C acid and other intermediates.

Packaging

25kg/drum or according to customer requirements.

Related keywords

1,5-phthalenedisulfonicacid; NAPHTHALENE-1,5-DISULFONICACIDDISODIUMSALT; naphthalene-1,5-disulphonicacid.

1,5-Naphthalenedisulfonic acid CAS 81-04-9
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