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
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.
