Ponceau 4R Karmin reňkleýji
| Önümiň ady: | Ponceau 4R |
| Daş görnüşi: | Gyzyl poroşok |
| Şahadatnamalar: | ISO, KOSHER, Halal, Organiki; |
| CAS No .： | 2611-82-7 |
| Molekulýar formula: | C20H11N2Na3O10S3 |
| Molekulýar agram: | 604.47 |
Karmin dünýäde iň köp ulanylýan we köp mukdardaýeke azo sintetiki pigment, 124 halkara standart kody.
Karminiň suwda erginligi 0,23g / mL (20 ℃), karminiň 0,1% suwly ergini açyk gyzyl reňkde we ýagtylyga we ýylylyga çydamlylygy (105 ℃).
Karmin azaldylmagyna, okislenmegine we bakteriýalara pes çydamly, limon kislotasyna we tartar turşusyna durnukly, aşgarlaryň barlygynda goňur. Ol, esasan, Al3 + we Ca2 + üçin durnukly, Mg2 + bolsa karmine reňk güýçlendiriji täsir edýär.
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