Methyl red, C.I. 13020, indicator
- Synonyms: 2-[(4-Dimethylamino)phenylazo]benzoic acid
- C15H15N3O2
- M = 269,31 g/mol
- CAS [493-52-7]
- EINECS-No.: 207-776-1
- Solub. in water: (20 ºC): sligthly soluble
- Melting point: 178 - 182 ºC
- Tariff number: 2927 00 00 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
brownish - yellow ): 4,5 - 6,2
Absorption maximum l1 (pH 4,5): 523 - 526 nm
Absorption maximum l2 (pH 6,2): 427 - 437 nm
Absorptivity (A1%/1 cm; l1; pH 4,5 on dried sample): 1380 - 1480
Absorptivity (A1%/1 cm; l2; pH 6,2 on dried sample): 700 - 800
transition range acc. ACS: passes test
loss on drying (110 ºC): max. 5 %
- C15H15N3O2
- M = 269,31 g/mol
- CAS [493-52-7]
- EINECS-No.: 207-776-1
- Solub. in water: (20 ºC): sligthly soluble
- Melting point: 178 - 182 ºC
- Tariff number: 2927 00 00 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
brownish - yellow ): 4,5 - 6,2
Absorption maximum l1 (pH 4,5): 523 - 526 nm
Absorption maximum l2 (pH 6,2): 427 - 437 nm
Absorptivity (A1%/1 cm; l1; pH 4,5 on dried sample): 1380 - 1480
Absorptivity (A1%/1 cm; l2; pH 6,2 on dried sample): 700 - 800
transition range acc. ACS: passes test
loss on drying (110 ºC): max. 5 %
- Synonyms: 2-[(4-Dimethylamino)phenylazo]benzoic acid
- C15H15N3O2
- M = 269,31 g/mol
- CAS [493-52-7]
- EINECS-No.: 207-776-1
- Solub. in water: (20 ºC): sligthly soluble
- Melting point: 178 - 182 ºC
- Tariff number: 2927 00 00 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
brownish - yellow ): 4,5 - 6,2
Absorption maximum l1 (pH 4,5): 523 - 526 nm
Absorption maximum l2 (pH 6,2): 427 - 437 nm
Absorptivity (A1%/1 cm; l1; pH 4,5 on dried sample): 1380 - 1480
Absorptivity (A1%/1 cm; l2; pH 6,2 on dried sample): 700 - 800
transition range acc. ACS: passes test
loss on drying (110 ºC): max. 5 %
![Rojo de metilo, C.I. 13020, indicador, Ácido 2-[(4-Dimetilamino)fenilazo]benzoico](/assets/media/articulos/cf2f3536-80c1-4d88-85ef-fbcd20ee42ae/RO01500010_thmb.webp)
![Rojo de metilo, C.I. 13020, indicador, Ácido 2-[(4-Dimetilamino)fenilazo]benzoico](/assets/media/articulos/e560bec8-b72b-46b6-a67c-e193082674d6/RO01500100_thmb.webp)
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