Błękit metylotymolowy, sól tetrasodowa wskaźnik – Scharlau
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
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PRODUCENT: SCHARLAB
Methylthymol blue, tetrasodium salt,
– Synonyms: MTB; 3,3′-Bis[N,N-di(carboxymethyl)aminomethyl]thymolsulfonephthalein, sodium salt
– C37H40N2Na4O13S
– M = 844,76 g/mol
– CAS [1945-77-3]
– EINECS-No.: 217-743-3
– Solub. in water: (20 ºC): ~ 460 g/l
– Tariff number: 2934 99 90 90
– Applications: analytical chemistry, indicator, titrant in volumetric analysis (metals).
SPECIFICATIONS
Absorption maximum l (in ethanol) : 430 – 440 nm
Absorptivity (A1%/1 cm; l max.): 90 – 110
insoluble in water: passes test
suitability as indicator : passes test
loss on drying : max. 7 %
