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CAS RN: 4197-25-5 | Product Number: S0113

Sudan Black B

  • Solvent Black 3
6   ≥20 

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Product Number S0113
Molecular Formula / Molecular Weight C__2__9H__2__4N__6 = 456.55  
Physical State (20 deg.C) Solid
CAS RN 4197-25-5
Reaxys Registry Number 8878215
PubChem Substance ID 87575726
SDBS (AIST Spectral DB) 12935
Colour Index 26150
MDL Number


Appearance Dark green to Dark red to Black powder to crystal
Lambda max. 590.0 to 610.0 nm(EtOH)
Absorbance(E1%1cm) min. 630(EtOH, 590.0 to 610.0 nm)
Properties (reference)
Melting Point 124 °C
Maximum Absorption Wavelength 600(EtOH) nm
Related Laws:
EC Number 224-087-1
RTECS# SD4431500
Transport Information:
HS Number 3204190090
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