Bromophenol blue, indicator, ACS
- Synonyms: BPB, 3,3',5,5'-Tetrabromophenolsulfonphthalein
- C19H10Br4O5S
- M = 669,96 g/mol
- CAS [115-39-9]
- EINECS-No.: 204-086-2
- Solub. in water: (20 ºC): almost insoluble
- Melting point: 273 ºC (decomposes)
- Tariff number: 2934 99 90 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
to blue-violet) : 3,1 - 4,4
Absorption maximum l1 (pH 3,0) : 434 - 439 nm
Absorption maximum l2 (pH 4,6) : 590 - 593 nm
Absorptivity (A1%/1 cm; l1; pH 3,0 on dried sample): 350 - 385
Absorptivity (A1%/1 cm; l2; pH 4,6 on dried sample): 940 - 1000
transition range acc. ACS : passes test
loss on drying (110 ºC): max. 1 %
- C19H10Br4O5S
- M = 669,96 g/mol
- CAS [115-39-9]
- EINECS-No.: 204-086-2
- Solub. in water: (20 ºC): almost insoluble
- Melting point: 273 ºC (decomposes)
- Tariff number: 2934 99 90 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
to blue-violet) : 3,1 - 4,4
Absorption maximum l1 (pH 3,0) : 434 - 439 nm
Absorption maximum l2 (pH 4,6) : 590 - 593 nm
Absorptivity (A1%/1 cm; l1; pH 3,0 on dried sample): 350 - 385
Absorptivity (A1%/1 cm; l2; pH 4,6 on dried sample): 940 - 1000
transition range acc. ACS : passes test
loss on drying (110 ºC): max. 1 %
- Synonyms: BPB, 3,3',5,5'-Tetrabromophenolsulfonphthalein
- C19H10Br4O5S
- M = 669,96 g/mol
- CAS [115-39-9]
- EINECS-No.: 204-086-2
- Solub. in water: (20 ºC): almost insoluble
- Melting point: 273 ºC (decomposes)
- Tariff number: 2934 99 90 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
to blue-violet) : 3,1 - 4,4
Absorption maximum l1 (pH 3,0) : 434 - 439 nm
Absorption maximum l2 (pH 4,6) : 590 - 593 nm
Absorptivity (A1%/1 cm; l1; pH 3,0 on dried sample): 350 - 385
Absorptivity (A1%/1 cm; l2; pH 4,6 on dried sample): 940 - 1000
transition range acc. ACS : passes test
loss on drying (110 ºC): max. 1 %
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