Carmine alum lake of carminic acid, pure, high purity biological stain
Supplier: Thermo Scientific
Synonyms:
Carminic acid, Cochineal, Alum lake of Carminic Acid, Natural Red 4, FD and C Carmine, CI 75470, Carmine, calcium/aluminum lake
190200050
190200250
190201000
ACRO190200050EA
107
GBP
ACRO190200050
ACRO190200250
ACRO190201000
Carmine alum lake of carminic acid, pure, high purity biological stain
Carmine
Formula:
C₂₂H₂₀O₁₃ MW: 492,389 g/mol Storage Temperature: Ambient |
MDL Number:
MFCD00167028 CAS Number: 1390-65-4 EINECS: 215-724-4 |
Specification Test Results
Appearance | Dark red to purple Powder |
Infrared spectrum | Conforms |
UV spectrum | Complies |
Assay | ≥42.0 % (Carminic acid) |
Loss on drying | ≤20 % |
Ash | ≤12 % |
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