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Carmine (C.I. 75470), 25 g

for microscopy
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Cochineal colouring matter
Empirical formula C22H20O13
Molar mass (M) 492,38 g/mol
CAS No. [1390-65-4]
EG-Nr. 215-724-4

Water-insoluble natural dye, obtained from dried female scale insects (Cochenille). Main ingredient  ...
Product details
Type analysis

CHF130.90/Pack Qty. 

excl. VAT. | 25 g per Pack Qty.

Art. No. 6859.2

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Product details

Carmine (C.I. 75470) for microscopy

Water-insoluble natural dye, obtained from dried female scale insects (Cochenille). Main ingredient is carminic acid. For use as a dye in microscopy it is applied in conjunction with a mordant, usually based on aluminium, producing a well-staining calcium aluminium lake of carminic acid.

Carmine (C.I. 75470)
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Order No. Pack Qty. Pack. Price Quantity
6859.1 10 g glass CHF62.30
6859.2 25 g glass CHF130.90
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Certificates of Analysis

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The following analysis certificates have been found:

Type analysis

Suitability for microscopycomplies  
Absorption max. (in H2O)525-535 nm  
Loss on drying≤20,0 %  
Dye content50,0-55,0 %  

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