Description
C.I. No 42775 It is a soluble dye used as a biological dye in fluorescence microscopy.
Solvent Blue 3 ;Opal Blue; spirit Blue
| CAS | 8004-91-9 |
| Molecular Formula | C32H25N3O9S3Na2 |
| Molecular Weight | 737.74 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Black |
| Odour | Odorless | ||
| Specifications | |||
| Appearance | Reddish-purple to black powder | Absorption Maxima in Methanol | 591-595nm |
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H302-H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |















