CARMINE

CARMINE For Microscopy

C.I.No.75470 -Nuclear stain. Suitable for use in Orth's Lithium Carminic technique
Alum lake of carminic acid, Cochineal, Nacarat, Natural Red 4

Article No.

02540

Grade

For Microscopy

Purity

CAS No.

1390-65-4

Molecular Formula

Molecular Weight

H.S. Code

3203.0090

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

Pink to red

Odour

odorless

Density [g/cm3]

> 1.0

Solubility in water [% weight]

Negligible

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%