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: |
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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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