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Eriochrome Black T
(CAS RN:1787-61-7 Product Number:E0214)


Eriochrome Black T
Synonym 1-(1-Hydroxy-2-naphthylazo)-6-nitro-2-naphthol-4-sulfonic Acid Sodium Salt
Synonym Mordant Black 11

General Information

Product Number E0214

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Purity/Analysis Method
Storage Temperature
M.F. / M.W. C20H12N3NaO7S=461.38
CAS RN 1787-61-7
Related CAS RN
MDL Number MFCD00003935
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance Black powder to crystaline
Absorbance min. 0.400(10 mg/L, pH9.0, 618.0 to 622.0 nm)
Drying loss max. 7.0 %
Sensitiveness Turn Pale Red Purple with Zn(1 m mol/L) and turn Pale Blue by adding EDTA 2Na


Colour Index 14645
Reaxys-RN 7510034
PubChem SID 87569497
Merck Index(14) 3667
RTECS# QK2197000
EC Number 217-250-3


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 3204120090


PubMed Literature

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