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CAS RN: 860-22-0 | Product Number: I0214

Indigo Carmine

Purity: >95.0%(E)
  • Acid Blue 74
≥20  7  

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* The storage conditions are subject to change without notice.

Product Number I0214
Purity / Analysis Method >95.0%(E)
Molecular Formula / Molecular Weight C__1__6H__8N__2Na__2O__8S__2 = 466.35  
Physical State (20 deg.C) Solid
Condition to Avoid Light Sensitive
CAS RN 860-22-0
Reaxys Registry Number 905434
PubChem Substance ID 87571590
Merck Index (14) 4944
Colour Index 73015
MDL Number


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)
Properties (reference)
Solubility in water Slightly soluble
Degree of solubility in water 10 g/l   25 °C
Solubility (slightly sol. in) Alcohol
Solubility (insoluble in) Benzene,Chloroform
Pictogram Pictogram
Signal Word Warning
Hazard Statements H302 : Harmful if swallowed.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P270 : Do not eat, drink or smoke when using this product.
P264 : Wash skin thoroughly after handling.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
Related Laws:
RTECS# DU3000000
Transport Information:
H.S.code* 3204.12-100
*This code is applied to the products when TCI exports from Japan and not for import in your country.
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