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
Product Code. |
00693 |
Grade |
|
Purity |
CAS No. |
1390-65-4 | |
Molecular Formula |
Molecular Weight |
0.00 | |
H.S.Code |
3203.00900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Pink to red |
Odour |
odorless |
| Density [g/cm3] |
> 1.0 |
Solubility in water [% weight] |
Negligible |
Packaging
Specification
| Appearance | Dark red coloured powder |
| Absorption maxima (lmax1, in DMSO) | 563 - 571 nm |
| Absorption maxima in DMSO (l2) | 525 - 533 nm |
| A1%,1cm, ? 1 max | Min. 70 |
| A1%,1cm, ? 2 max | Min. 100 |
| Ratio ?max. P+/-15 nm (at 528 nm) | 1.00 - 1.10 |
| Loss on dryig (at 110°C) | Max. 15% |
Safety Information and Hazard Symbols