Methylorange (C.I. 13025), AnalaR NORMAPUR® ACS, Reag. Ph. Eur. Indicator

Lieferant: VWR Chemicals

Synonyme: Goldorange, Helianthin, Natrium-4-(4-dimethylaminophenylazo)benzolsulfonat, Orange III, 4-(4-(Dimethylamino)phenylazo)benzolsulfonsäure Natriumsalz, (4-(Dimethylamino)azobenzol-4'-sulfonsäure Natriumsalz

86151.150EA 35.7 EUR
86151.150 86151.180
Methylorange (C.I. 13025), AnalaR NORMAPUR® ACS, Reag. Ph. Eur. Indicator
Methylorange
Formel: C₁₄H₁₄N₃NaO₃S
Molecular Weight: 327.34 g/mol
Siedepunkt: 90
Flammpunkt: 38
MDL: MFCD00007502
CAS-Nummer: 547-58-0
Merck Index: 13,06127

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Spezifikation Testergebnisse

Appearance of solution Passes test
pH range (pink to orange-yellow) 3,2 - 4,4
Visual transition interval Passes test
Absorption maximum I1 (pH 3,1) 501 - 504 nm
Absorption maximum I2 (pH 4,4) 467 - 471 nm
Absorptivity (A1%, 1cm, I1, pH 3,1, on dried sample) 1050 - 1150
Absorptivity (A1%, 1cm, I2, pH 4,4, on dried sample) 750 - 850
Loss on drying (110 ºC) Max. 5%


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