Natrium-4-hydroxy-3-(2-hydroxy-1-naphthalenylazo)benzolsulfonat
Bezeichnung:Natrium-4-hydroxy-3-(2-hydroxy-1-naphthalenylazo)benzolsulfonat
CAS-Nr2092-55-9
Englisch Name:ACID ALIZARIN VIOLET N
CBNumberCB0721147
SummenformelC16H11N2NaO5S
Molgewicht366.32
MOL-Datei2092-55-9.mol
Synonyma
Natrium-4-hydroxy-3-(2-hydroxy-1-naphthalenylazo)benzolsulfonat
Natrium-4-hydroxy-3-(2-hydroxy-1-naphthalenylazo)benzolsulfonat physikalisch-chemischer Eigenschaften
Schmelzpunkt | >300°C |
Löslichkeit | Solubility Soluble in water, ethanol |
pka | 4.35, 7.4, 9.35(at 25℃) |
Aggregatzustand | crystals |
Farbe | Reddish-violet |
Säure-Base-Indikators(pH-Indikatoren) | Orange-red (6.5) to violet (9.0) |
maximale Wellenlänge (λmax) | 501nm |
Stabilität | Stable. Incompatible with strong oxidizing agents. |
Major Application | inks, dye lasers, in manufacture of vinyl polymers, textiles determination of iron, calcium, aluminum, tantalum, monitoring hardness in industrial water, measuring chlorine dioxide in drinking water, hypoglycemic agents, nuclear fluorochrome |
CAS Datenbank | 2092-55-9 |
EPA chemische Informationen | Benzenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt (2092-55-9) |
Kennzeichnung gefährlicher | Xi |
R-Sätze: | 36/37/38 |
S-Sätze: | 24/25-37/39-26 |
RTECS-Nr. | DB7012000 |