Carminic acid (natural) for dye
Supplier: TCI
Certificates
About this item
CAS Number:1260-17-9
:
Formula:C₂₂H₂₀O₁₃
MDL Number:MFCD00167028
Merck Index:14,01843
EINECS:215-023-3
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Appearance:Orange to Brown to Dark red powder to crystal
- Purity (qNMR):min. 85 %
- Lambda max.:490.0 to 496.0 nm (0.1mol/L HCL)
- Absorbance (E1%1cm):min. 120 (0.1mol/L HCl, 490.0 to 496.0 nm) (calcd.on dried substance)
- Drying loss:max. 10.0 %
Specification Test Results
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