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

CAS;81-04-9

Formulae hypotheticae:C10H8O6S2

Pondus hypotheticum:288.3

EINECS:201-317-9

Synonyma:Naphthalin-1,5-disulfonsure; 1,5-acidi phthalenedisulfonic; NAPHTHALENE-1,5-DISULFONICA ACIDUM DISODIUM SAL. naphthalene-1,5-acidi disulphonicum; SODIUM 1,5-NAPHTHALENEDISULFONATE DIBASIC; 1,5-Naphthalenedisulphonicacid; 1,5-naphthylenedisulfonicacid; 2-Naphthylaminedisulfonicacid; 1,5-NAPHTHALINEDISULFONIC ACIDUM; 1,5-NAPHTHALENEDISULFONIC ACIDUM; 1,5-NAPHTHALENEDISULFONICA ; ACIDUM DISODIUM SAL HYDRATO; 1,5-NAPHTHALENE DISULPHONATE

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Quid est 1,5-Naphthalenedisulfonicum acidum CAS 81-04-9?

1,5-Naphthalenedionicum acidum album bracteae crystallinae simile (cum quatuor moleculis aquae crystalli). punctum liquescens 240-245 ℃ (anhydrous). In aqua et ethanol solutum, in aethere solubile. 1,5-Naphthalenedionicum acidum medium ad tincturas adhibetur. Usus est ad productionem intermedia, ut 1,5-dihydroxynaphthalene et amino acida.

Specification

Item	Specification
fervens	400.53°C (aestimatio aspera)
Densitas	1.7040
punctum liquescens	242.5°C (aspens aestimatio)
pKa	-0.60±0.40 (praedicta)
resistivity	1.5630 (aestima)
Repono conditionibus	Repone infra +30°C.

Applicationem

1,5-Acidum Naphthalenedionicum in synthesi organica materia rudis et intermedia tingitur, 1,5-Acidi Naphthalenedionici ad tingendas synthesin adhibetur, et acidum naphthalenedionicum medium pro tinctura adhibetur. Usus est ad productionem intermedia, ut 1,5-dihydroxynaphthalene et amino acida.