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

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Ratings: Ingen bedømmelse

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Synonymer: 2-(4-Dimethylaminophenylazo)benzoic acid, 2-((4-(Dimethylamino)phenyl)diazenyl)benzoic acid

86159.150EA 235 DKK
86159.150 86159.180
Methylrød, AnalaR NORMAPUR® Reag. Ph. Eur., ACS C.I. 13020
Methylrød
Formel: C₁₅H₁₅N₃O₂
Molekylvægt: 269.3 g/mol
MDL Number: MFCD00002425
CAS-nummer: 493-52-7
Merck Index: 12,06199

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Specifikationer Testresultater

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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