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CAS No.: | 520-10-5 |
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Name: | ARSENAZO I |
Molecular Structure: | |
Formula: | C16H13 As N2 O11 S2 |
Molecular Weight: | 548.34 |
Synonyms: | 2,7-Naphthalenedisulfonicacid, 3-[(2-arsonophenyl)azo]-4,5-dihydroxy- (9CI); 2,7-Naphthalenedisulfonicacid, 3-[(o-arsonophenyl)azo]-4,5-dihydroxy- (8CI); Benzenearsonic acid,o-(1,8-dihydroxy-3,6-disulfo-2-naphthylazo)- (6CI);2-(2-Arsonophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid;2-(2-Arsonophenylazo)chromotropic acid;2-(2'-Arsonophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonic acid; Arsenazo;Arsenazo 1; Arsenazo I; Neothorin; Neothoron; Uranon |
Density: | g/cm3 |
Melting Point: |
≥300 °C(lit.) |
Boiling Point: | °Cat760mmHg |
Flash Point: | °C |
Hazard Symbols: | TN |
Risk Codes: | R23/25;R50/53; |
PSA: | 256.70000 |
LogP: | 2.63540 |
3-(2-arsono-phenylazo)-4,5-dihydroxy-naphthalene-2,7-disulfonic acid
Conditions | Yield |
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With hydrogenchloride; sodium hydroxide; potassium chloride In water at 25.degdee.C, ionic strength of 1.0 mol*dm**-3 (KCl), pH values in range 3.221-11.045; not isolated, monitored by UV at 340-700 nm; |