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

CAS Number

1390-65-4

Formula

C44H37AlCaO27.3H2O

Weight

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

 

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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