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METHYL RED (C.I. 13020) INDICATOR ACS

Merck METHYL RED (C.I. 13020) INDICATOR ACS

Spending Type : Consumable
Category : Chemical Reagent
Type : Classical Lab Chemicals
SKU : 1.06076.0100

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Deskripsi Merck METHYL RED (C.I. 13020) INDICATOR ACS

106076 Methyl red (C.I. 13020) indikator ACS,Reag. Ph Eur

atau disebut juga : 4-Dimethylaminoazobenzene-2'-carboxylic acid




Simpan pada +5°C hingga +30°C.

Identity (UV/VIS-Spectrum)passes test
AppearanceRed to red-violet powder, eventually with granular parts.
Clarity of solution (1 g/l; ethanol)passes test
Melting point (capillary method, temperatur measerment in the heating block)179 - 182 °C
Transition rangepH 4.4 - pH 6.0 Red - yellow
Absorption maximum (buffer pH 4.5)523 - 526 nm
Absorption maximum (buffer pH 6.2)427 - 437 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 4.5; calculated on anhydrous substance)1350 - 1500
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 6.2; calculated on anhydrous substance)700 - 800
Transition range (according to ACS)passes test
Loss on drying (110 °C)≤ 5 %