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CAS RN: 64071-86-9 | Product Number: F0092

Fast Black K Salt

Purity: >93.0%(HPLC)
  • 2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium Chloride Zinc Chloride
16   ≥20 

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Product Number F0092
Purity / Analysis Method >93.0%(HPLC)
Molecular Formula / Molecular Weight C__1__4H__1__2ClN__5O__4·^^1/__2ZnCl__2 = 417.87  
Physical State (20 deg.C) Solid
CAS RN 64071-86-9
PubChem Substance ID 87569892
Colour Index 37190
MDL Number


Appearance Orange to Brown powder to crystal
Purity(HPLC) min. 93.0 area%
Lambda max.1 330.0 to 335.0 nm(H2O)
Lambda max.2 450.0 to 460.0 nm(H2O)
Absorbance(E1%1cm) min. 45 (H2O, 450.0 to 460.0 nm)
Properties (reference)
Melting Point 150 °C
Maximum Absorption Wavelength 455(H2O) nm
Solubility in water Practically insoluble
Related Laws:
EC Number 264-656-1
Transport Information:
HS Number 2927000090
PubMed Literature

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