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

CAS:81-04-9

Molecular Formula:C10H8O6S2

Molecular Luj:288.3 ib

EINECS:201-317-9 ib

Synonyms:Naphthalin-1,5-disulfonsure; 1,5-phthalenedisulfonic acid; NAPHTHALEN-1,5-DISULFONIC ACID DISODIUM ntsev; naphthalene-1,5-disulphonic acid; SODIUM 1,5-NAPHTHALENEDISULFONATE DIBASIC; 1,5-Naphthalenedisulphonicacid; 1,5-naphthylenedisulfonicacid; 2-Naphthylaminedisulfonicacid; 1,5-NAPHTHALINEDISULFONIC ACID; 1,5-NAPHTHALENEDISULFONIC ACID; 1,5-NAPHTHALENEDISULFONIC ; ACID DISODIUM ntsev HYDRATE; 1,5-NAPHTHALEN DISULPHONATE

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1,5-Naphthalenedisulfonic acid CAS 81-04-9 yog dab tsi?

1,5-Naphthalenedionic acid dawb phaj zoo li muaju (nrog plaub molecules ntawm siv lead ua dej). Melting point 240-245 ℃ (anhydrous). Soluble hauv dej thiab ethanol, insoluble hauv ether. 1,5-Naphthalenedionic acid yog siv los ua ib qho nruab nrab rau dyes. Siv rau kev tsim cov khoom nruab nrab xws li 1,5-dihydroxynaphthalene thiab amino acids.

Specification

Yam khoom	Specification
Boiling point	400.53 ° C (kwv yees kwv yees)
Qhov ntom	1.7040 Nws
Melting point	242.5 ° C (kwv yees kwv yees)
pKa	-0.60 ± 0.40 (Tshaj tawm)
tiv taus	1.5630 (kwv yees)
Cia tej yam kev mob	Khaws hauv qab +30 ° C.

Daim ntawv thov

1,5-Naphthalenedionic acid yog siv los ua cov organic synthesis raw khoom thiab dye intermediate, 1,5-Naphthalenedionic acid yog siv rau dye synthesis, thiab Naphthalenedionic acid yog siv los ua ib qho nruab nrab rau dyes. Siv rau zus tau tej cov intermediates xws li 1,5-dihydroxynaphthalene thiab amino acids.