Carmín, C.I. 75470, para microscopía
- Synonyms: Alum lacquer of carminic acid
- C44H37AlCaO29·3H2O
- M = 492,38 g/mol
- CAS [1390-65-4]
- EINECS-No.: 215-724-4
- Solub. in water: (20 ºC): insoluble
- Tariff number: 3203 00 90 00
- Applications: microscopy, for biology, photography, manufacturing of inks, in food industry, cosmetics.
SPECIFICATIONS
Absorption maximum l1 (in DMSO): 563 - 571 nm
Absorption maximum l2 (in DMSO): 525 - 533 nm
Absorptivity (A1%/1 cm; l1 max) : 70 - 110
Absorptivity (A1%/1 cm; l2 max) : 100 - 150
loss on drying (110 ºC): max. 15 %
residue on ignition: 9 - 17 %
Technical documentation
TDS / Technical data sheet
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