Methylthymol blue, tetrasodium salt, indicator
- 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 %
- 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 %
- 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 %
![Methylthymol blue, tetrasodium salt, indicator, MTB; 3,3'-Bis[N,N-di(carboxymethyl)aminomethyl]thymolsulfonephthalein, sodium salt](/assets/media/articulos/28b7f946-3b35-496c-8979-fdfefebe5128/AZ02050001_thmb.webp)
Volume
x 1 g
x 1 g
![Methylthymol blue, tetrasodium salt, indicator, MTB; 3,3'-Bis[N,N-di(carboxymethyl)aminomethyl]thymolsulfonephthalein, sodium salt](/assets/media/articulos/2b4285b0-c5b7-4859-bcbb-4082365c3e75/AZ02050005_thmb.webp)
Volume
x 5 g
x 5 g
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