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

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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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