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p-Naphtholbenzein CAS 145-50-6
Nomen Chemicum :p-Naphtholbenzein
Synonyma nomina :α-Naphtholbenzein；
4′-(α-Hydroxybenzylidene)di-1-naphthol；
alpha-Naphtholbenzein
CAS No : 145-50-6
Formula moleculare :C27H18O2
Pondus Moleculare :374.43
EINECS :205-656-3
- Parametrum
- Producta Relata
- Inquisitio
Formulae structurales ：
Productum Descriptio ：
|
Itema probationis |
Productum Qualificatum |
|
Apparentia |
Pulvis ruber tenebris |
|
Liquefactio Point |
225-245℃ |
|
Intervallum transitionis visucae |
A pH 8.2 (Flavus ad citrinum) Ad pH 10.0(Viridis Caeruleus) |
|
Summa absorptionis (in 0.01M NaOH) |
0.5MAX% |
|
Maxima singularis impuritas |
644-665nm |
Properties and Usus :
Composita utuntur ut indicatores in chymia analytica. Magnam partem habent in deprehendendo solutiones alcalinas.
Condiciones reconditae: Conservatur in intus cella sicca et ventilata, prohibere solem directum, paulum cumuli et ponere
Stipare: Hoc productum continetur in sacculo ex folio aluminii 1kg aut in tamburo cartoni 25kg aut ad mensuram iuxta requisita clientis
