Arancio metile (C.I. 13025), AnalaR NORMAPUR® ACS, Reag. Ph. Eur. Indicatore
Fornitore: VWR Chemicals
Synonyms:
4-((4-(Dimethylamino)phenyl)diazenyl)benzenesulphonic acid, sodium salt, Methyl orange sodium salt, Helianthine
86151.150EA
64.2
EUR
86151.150
86151.180
Arancio metile (C.I. 13025), AnalaR NORMAPUR® ACS, Reag. Ph. Eur. Indicatore
Arancio metile
Formula:
C₁₄H₁₄N₃NaO₃S Peso molecolare: 327,34 g/mol |
MDL Number:
MFCD00007502 CAS Number: 547-58-0 |
Risultati del test di specificazione
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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