2,7-Naphthalenedisulfonicacid, 3-[2-(2,4-dinitrophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2) cas no:5423-07-4

Name2,7-Naphthalenedisulfonicacid, 3-[2-(2,4-dinitrophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)
CAS5423-07-4
Synonyms2,7-Naphthalenedisulfonicacid, 3-[(2,4-dinitrophenyl)azo]-4-hydroxy-, disodium salt (8CI,9CI);Nitrazineyellow (7CI);C.I. 14890;Delta Paper;Nitrazine Paper;Nitrazol Yellow;Phenaphthazine;disodium 3-(2,4-dinitrophenyl)azo-4-hydroxy-naphthalene-2,7-disulfonate;Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxynaphthalene-2,7-disulfonate;2,7-naphthalenedisulfonic acid, 3-[2-(2,4-dinitrophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2);
EINECS(EC#)226-549-8
Molecular FormulaC₁₆H₁₀N₄Na₂O₁₁S₂
Molecular Weight 542.35

Appearancebordeaux to brown powder
refractive index1.783
storage temp2-8°C

Hazard F
Risk R5