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Phenol red sodium salt, AnalaR NORMAPUR® ACS indicator

Dodávateľ: VWR Chemicals

Synonymá: 3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, sodium salt, Phenol red water soluble, Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenolate S,S-dioxide

85920.130EA 122.97 EUR
85920.130 85920.100
Phenol red sodium salt, AnalaR NORMAPUR® ACS indicator
Phenol red sodium salt
Vzorec: C₁₉H₁₃NaO₅S
Mw: 376.35
Teplota tavenia: 285
Číslo MDL: MFCD00066901
Číslo CAS: 34487-61-1
Merck Index: 12,07397

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Výsledky špecifikačného testu

Appearance Dark red to brown powder
Visual transition interval pH 6.5 - pH 8.2
Loss on drying (110°C) ≤ 5 %
Absorption max. λ 1 (pH 6.5) 430 - 435 nm
Absorption max. λ 2 (pH 8.2) 557 - 560 nm


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