CARMINE
CARMINE For Microscopy
C.I.No.75470 -Nuclear stain. Suitable for use in Orth's Lithium Carminic technique
Short Name: CARMINE
Synonym: Alum lake of carminic acid, Cochineal, Nacarat, Natural Red 4
Basic Details
Article No.
LG1155
Grade
For Microscopy
Purity
CAS No.
1390-65-4
HS Code
3203.0090
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Pink to red
Odour
odorless
Density [g/cm3]
> 1.0
Solubility in water [% weight]
Negligible
Chemical Specifications
Appearance
Dark red coloured powder
Absorption maxima (λmax1, in DMSO)
563 - 571 nm
bsorption maxima (λmax2, in DMSO)
525 - 533 nm
A1%,1cm, λ 1 max
Min. 70
A1%,1cm, λ 2 max
Min. 100
Ratio λmax. P+/-15 nm (at 528 nm)
1.00 - 1.10
Loss on drying (at 110°C)
Max. 15%
Safety Information & Hazard Symbols
Safety Statement
22-24/25