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disodium 3,6-bis[(o-arsonophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonate (62337-00-2)

Identification
Name:disodium 3,6-bis[(o-arsonophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonate
Synonyms:2,7-Naphthalenedisulfonicacid, 3,6-bis[(2-arsonophenyl)azo]-4,5-dihydroxy-, disodium salt (9CI);Arsenazo-III disodium salt
CAS:62337-00-2
EINECS: 263-516-7
Molecular Formula: C22H18As2N4O14S2?2Na
Molecular Weight: 820.3384
InChI: InChI=1/C22H18As2N4O14S2.2Na/c29-21-18-11(9-16(43(37,38)39)19(21)27-25-14-7-3-1-5-12(14)23(31,32)33)10-17(44(40,41)42)20(22(18)30)28-26-15-8-4-2-6-13(15)24(34,35)36;;/h1-10,29-30H,(H2,31,32,33)(H2,34,35,36)(H,37,38,39)(H,40,41,42);;/q;2*+1/p-2/b27-25+,28-26+;;
Molecular Structure: (C22H18As2N4O14S2?2Na) 2,7-Naphthalenedisulfonicacid, 3,6-bis[(2-arsonophenyl)azo]-4,5-dihydroxy-, disodium salt (9CI);Arse...
Properties
Transport:UN 3465 6.1/PG 2
Melting Point: >320 °C(lit.)
Specification:
dark brown to brownish-black crystalline powder
usageEng:Arsenazo-III is a diazo dye reagent used in the spectrophotometric determination of aluminum, gallium and indium. Toxic if swallowed. Toxic if inhaled. Very toxic to aquatic life.
Safety Statements:20/21-28-45-60-61
20/21:When using, do not eat, drink or smoke
28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60:This material and/or its container must be disposed of as hazardous waste
61:Avoid release to the environment. Refer to special instructions safety data sheet
Packinggroup: II
Usage:Arsenazo-III is a diazo dye reagent used in the spectrophotometric determination of aluminum, gallium and indium. Toxic if swallowed. Toxic if inhaled. Very toxic to aquatic life.
Safety Data
 

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