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CAS RN: 66019-20-3 | Product Number: D0578

Arsenazo I Trisodium Salt


Purity: >90.0%(T)
Synonyms:
  • 2-Arsonophenylazochromotropic Acid Trisodium Salt
  • 2-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)benzenearsonic Acid Trisodium Salt
  • Neothorin Trisodium Salt
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Product Number D0578
Purity / Analysis Method >90.0%(T)
Molecular Formula / Molecular Weight C__1__6H__1__0AsN__2Na__3O__1__1S__2 = 614.27  
Physical State (20 deg.C) Solid
CAS RN 66019-20-3
PubChem Substance ID 87567230
MDL Number

MFCD00003937

Specifications
Appearance Dark red to Brown powder to crystal
Purity(Iodometric Titration) min. 90.0%(calcd.on anh.substance)
Absorbance min. 0.700(20 mg/L, pH 6.3, 498.0 to 502.0 nm)
Drying loss max. 5.0 %
Ignition residue(Sulfate) 32.0 to 37.0 %(calcd.on anh.substance)
Properties (reference)
Solubility in water Soluble
GHS
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H301 + H331 : Toxic if swallowed or if inhaled.
H410 : Very toxic to aquatic life with long lasting effects.
Precautionary Statements P261 : Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P273 : Avoid release to the environment.
P264 : Wash skin thoroughly after handling.
P391 : Collect spillage.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
Related Laws:
EC Number 266-069-6
Transport Information:
UN Number UN3465
Class 6.1
Packing Group III
HS Number 2931399090
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