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S300023 | Carmine (Lacquer of carminic acid with calcium and aluminium) (C.I. 75470)

M: 1118,78 EC: 215-724-4 NC: 3203 00 90

 

  • CAS Number:   1390-65-4
  • Formula:   C44H37AlCaO27.3H2O
Specifications

Identity..............................................................................................IR p/t.

l1 of max. ABS in DMSO........................................................ 563-571 nm

l2 of max. ABS in DMSO........................................................ 525-533 nm

A 1%, 1 cm, l1 max..............................................................................>70

A 1%, 1 cm, l2 max............................................................................>100

Ratio lmax. P+/- 15 nm (at l528 nm)........................................ 1,00-1,10

MAX. IMPURITIES

Loss on drying at 110°C....................................................................15 %

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