methylová červeň, pure indicator
Dodávateľ: Thermo Fisher Scientific
Synonymá:
2-(4-Dimethylaminophenylazo)benzoic acid, 2-((4-(Dimethylamino)phenyl)diazenyl)benzoic acid
264440250
264441000
264445000
ACRO264440250EA
56.48
EUR
ACRO264440250
ACRO264441000
ACRO264445000
methylová červeň, pure indicator
methylová červeň
Vzorec:
C₁₅H₁₅N₃O₂ Mw: 269.3 Teplota tavenia: 178…182 °C Skladovacia teplota: Ambient |
Číslo MDL:
MFCD00002425 Číslo CAS: 493-52-7 EINECS: 207-776-1 Merck Index: 12,06199 |
Výsledky špecifikačného testu
Appearance | Dark red to brown to purple to violet Powder or crystals |
Infrared spectrum | Conforms |
Melting point | 178 to 182 °C |
Solubility | (0.1 % in ethanol) Clear |
Specific extinction E (1%/1cm) | ≥650 (430 nm, in buffer) |
Visual transition interval | from pH 4.2 (pink or red) to pH 6.2 (yellow) |
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