Methylrot, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. C.I. 13020

Lieferant: VWR Chemicals

Synonyme: 2-(4-(Dimethylamino)phenylazo)benzoesäure

86159.180EA 99.3 EUR
86159.180 86159.150
Methylrot, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. C.I. 13020
Methylrot
Formel: C₁₅H₁₅N₃O₂
Molecular Weight: 269,3 g/mol
MDL: MFCD00002425
CAS-Nummer: 493-52-7

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Spezifikation Testergebnisse

pH range (red-violet to brownish-yellow) 4,5 - 6,2
Absorption maximum λ1 (pH 4,5) 523 - 526 nm
Absorption maximum λ2 (pH 6,2) 427 - 437 nm
Absorptivity (A1%/1 cm; λ1; pH 4,5 on dried sample) 1380 - 1480
Absorptivity (A1%/1 cm; λ2; pH 6,2 on dried sample) 700 - 800
Transition range acc. ACS Passes test
Loss on drying (110 ºC) ≤ 5%

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