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

Supplier: VWR Chemicals

VWRC86159.150EA 139 SGD
VWRC86159.150 VWRC86159.180
Methyl red, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. C.I. 13020
Methyl red
Formula: C₁₅H₁₅N₃O₂
MDL Number: MFCD00002425
CAS Number: 493-52-7

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Specification Test Results

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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