- C20H20ClN3r- M = 337,85 g/molr- CAS [632-99-5]r- EINECS-No.: 211-189-6r- Solub. in water: (25 ºC): 4 g/lr- Melting point: ~ 235 ºC (decomposes)r- GHS-signal word: Dangerr- GHS-H sentences: H334 - H351 - H302 - H317r- GHS-P sentences: P284 - P261 - P280 - P321 - P405 - P501ar- Tariff number: 3204 13 00 90r- Applications: microscopy.rrSPECIFICATIONSrAbsorption maximum l (in ethanol 50 %): 549 - 553 nmrAbsorptivity (A1%/1 cm; l max.): 2350 - 2700rloss on drying (110 ºC, 1h): max. 15 %r