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CAS RN: 2429-73-4 | Product Number: C0529

Direct Blue 2

  • Diazo Black BHN
  • Chlorazol Black BH
3   ≥20 

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Product Number C0529
Molecular Formula / Molecular Weight C__3__2H__2__1N__6Na__3O__1__1S__3 = 830.70  
Physical State (20 deg.C) Solid
CAS RN 2429-73-4
PubChem Substance ID 87565644
Colour Index 22590
MDL Number


Appearance Gray to Dark blue to Black powder to crystal
Lambda max. 565.0 to 569.0 nm(H2O)
Absorbance(E1%1cm) min. 200(H2O, 565.0 to 569.0 nm)
Properties (reference)
Maximum Absorption Wavelength 567(H2O) nm
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H319 : Causes serious eye irritation.
H350 : May cause cancer.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
Related Laws:
EC Number 219-384-8
RTECS# QJ6158000
Transport Information:
HS Number 3204140000
Documents (Note: Some products will not have analytical charts available.)
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