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(CAS RN:74-39-5 Product Number:N0135)


Synonym Azo Violet
Synonym 4-(4-Nitrophenylazo)resorcinol

General Information

Product Number N0135

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Purity/Analysis Method
Storage Temperature
M.F. / M.W. C12H9N3O4=259.22
CAS RN 74-39-5
Related CAS RN
MDL Number MFCD00007310
Packaging and Container
  • Product Details
  • Safety & Regulations


Absorbance min. 0.700(5 mg/L, 552.0 to 562.0 nm)
Solubility in EtOH almost transparency
Drying loss max. 5.0 %
Sensitiveness to pass test


Beilstein 16(4)266
Reaxys-RN 1843782
PubChem SID 87573521
Merck Index(14) 5695
RTECS# VH2810000
EC Number 200-808-5


Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

HS Number 2927000090


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