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Name	ArsenazoI	EINECS	N/A
CAS No.	520-10-5	Density	g/cm³
PSA	256.70000	LogP	2.63540
Solubility	N/A	Melting Point	≥300 °C(lit.)
Formula	C16H13 As N2 O11 S2	Boiling Point	°Cat760mmHg
Molecular Weight	548.34	Flash Point	°C
Transport Information	N/A	Appearance	N/A
Safety		Risk Codes	R23/25;R50/53;
Molecular Structure		Hazard Symbols	TN
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

ArsenazoI Synthetic route

: 520-10-5
3-(2-arsono-phenylazo)-4,5-dihydroxy-naphthalene-2,7-disulfonic acid

Conditions	Yield
With hydrogenchloride; sodium hydroxide; potassium chloride In water at 25.degdee.C, ionic strength of 1.0 moldm*-3 (KCl), pH values in range 3.221-11.045; not isolated, monitored by UV at 340-700 nm;

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