548-80-1|2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)Products Supply

2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2) cas no:548-80-1

Synonyms: 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-(p-nitrophenylazo)-, disodium salt (6CI);2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodiumsalt (9CI);C.I. Acid Red 176 (7CI);C.I. Acid Red 176, disodium salt (8CI);4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodiumsalt;C.I. 16575;C.I. Mordant Black 93;Chromotrope 2B;Chromotrope Red 4B;Cr-2B;Naphtocard Fast Red 3B;PCR 2B;Poly-chromotrope 2B;p-Nitrobenzeneazochromotropic acid sodium salt;

Identification

Name2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)
CAS548-80-1
Synonyms2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-(p-nitrophenylazo)-, disodium salt (6CI);2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodiumsalt (9CI);C.I. Acid Red 176 (7CI);C.I. Acid Red 176, disodium salt (8CI);4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodiumsalt;C.I. 16575;C.I. Mordant Black 93;Chromotrope 2B;Chromotrope Red 4B;Cr-2B;Naphtocard Fast Red 3B;PCR 2B;Poly-chromotrope 2B;p-Nitrobenzeneazochromotropic acid sodium salt;
EINECS(EC#)208-959-9
Molecular FormulaC₁₆H₉N₃Na₂O₁₀S₂
Molecular Weight513.36

Chemical Properties

Appearancedark green to dark purple crystalline powder

Safety Data

Hazard Xi: Irritant;
Risk R36/37/38

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2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2) cas no:548-80-1

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