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Arsenazo Ⅲ - reagent grade, high purity , CAS No.1668-00-4
Basic Description Synonyms ARSENAZO III|1668-00-4|Arsenazo III sodium salt|3,6-bis((E)-(2-Arsonophenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonic acid|2,7-Bis(2-arsonophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid|3,6-bis[(2-arsonophenyl)diazenyl]-4,5-dihydroxynapht Specifications & Purity reagent grade Shipped In Normal Grade AR Product Description Usually used in the determination of calcium in serum,has been used to evaluate calcium transport in permeabilized cells,has also been used for the spectrophotometric determination of uranium and thorium.
Names and Identifiers IUPAC Name 3,6-bis[(2-arsonophenyl)diazenyl]-4,5-dihydroxynaphthalene-2,7-disulfonic acid INCHI InChI=1S/C22H18As2N4O14S2/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) InChi Key UQHVTNUJRKELCE-UHFFFAOYSA-N Canonical SMILES C1=CC=C(C(=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)O)S(=O)(=O)O)N=NC4=CC=CC=C4[As](=O)(O)O)O)O)[As](=O)(O)O Isomeric SMILES C1=CC=C(C(=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)O)S(=O)(=O)O)N=NC4=CC=CC=C4[As](=O)(O)O)O)O)[As](=O)(O)O WGK Germany 3 PubChem CID 135445682 UN Number 3280 Molecular Weight 776.37 Beilstein 5717957 Reaxy-Rn 5717957
Chemical and Physical Properties Solubility Soluble in water (partly), 1N NH4OH (1 mg/ml), and alcohol. Sensitivity Moisture sensitive. Melt Point(°C) >320 °C
Safety and Hazards(GHS) Pictogram(s) GHS06 , GHS09 Signal Danger Hazard Statements H301: Toxic if swallowed
H331: Toxic if inhaled
H400: Very toxic to aquatic life
H410: Very toxic to aquatic life with long lasting effects
Precautionary Statements P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P273: Avoid release to the environment.
P321: Specific treatment (see ... on this label).
P405: Store locked up.
P501: Dispose of contents/container to ...
P264: Wash hands [and …] thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P270: Do not eat, drink or smoke when using this product.
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P391: Collect spillage.
P330: Rinse mouth.
P301+P316: IF SWALLOWED: Get emergency medical help immediately.
P316: Get emergency medical help immediately.
WGK Germany 3 Reaxy-Rn 5717957
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