Amarillo de alizarina GG, C.I. 14025, indicador, Ácido 2-hidroxi-5[(3-nitrofenil)azo]benzoico, sal monosódica
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- Synonyms: 2-Hydroxy-5[(3-nitrophenyl)azo]benzoic acid monosodium salt, Mordant yellow 1 - C13H8N3NaO5 - M = 309,21 g/mol - CAS [584-42-9] - EINECS-No.: 209-536-1 - Solub. in water: (25 ºC): ~ 12 g/l - Tariff number: 3204 19 00 90 - Applications: indicator and for microbiology. SPECIFICATIONS pH range (yellow-orange): 10,2 - 12,1 Absorption maximum l 1 (pH 10,2) : 350 - 355 nm on dried sample): 620 - 720 Absorption maximum l2 (pH 12,1): 448 - 452 nm on dried sample): 800 - 900 suitability for microbiology: passes test loss on drying (110 ºC): max. 1 %
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