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Indigo Carmine
(CAS RN:860-22-0 Product Number:I0214)


Indigo Carmine
Synonym Acid Blue 74

General Information

Product Number I0214

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Purity/Analysis Method >95.0%(E)
Storage Temperature
M.F. / M.W. C16H8N2Na2O8S2=466.35
CAS RN 860-22-0
Related CAS RN
MDL Number MFCD00005723
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance Dark red to Dark purple to Dark blue powder to crystal
Purity(UV-vis method) min. 95.0 %(after drying)
Drying loss max. 8.0 %
Transition interval(pH) (blue)11.6 to 14.0(yellow)


Colour Index 73015
Beilstein 25(3/4)1876
Reaxys-RN 905434
PubChem SID 87571590
Merck Index(14) 4944
RTECS# DU3000000
EC Number 212-728-8


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P301+P312+P330
  • :IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell. Rinse mouth.
  • P501
  • :Dispose of contents/container through a waste management company authorized by the local government.

Transport Information

HS Number 3204120090


PubMed Literature

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