Bromothymol blue, indicator, ACS
- Synonyms: 3',3''-Dibromothymol-sulfonphthalein, BTB
- C27H28Br2O5S
- M = 624,40 g/mol
- CAS [76-59-5]
- EINECS-No.: 200-971-2
- Solub. in water: (20 ºC): insoluble
- Tariff number: 2934 99 90 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
pH range (yellow to blue): 5,8 - 7,6
Absorption maximum l1 (pH 5,8) : 430 - 435 nm
Absorption maximum l2 (pH 7,6) : 615 - 618 nm
Absorptivity (A1%/1 cm; l1; pH 5,8 on dried sample): 260 - 300
Absorptivity (A1%/1 cm; l2; pH 7,6 on dried sample): 470 - 520
transition range acc. ACS : passes test
loss on drying (110 ºC): max. 3 %
- C27H28Br2O5S
- M = 624,40 g/mol
- CAS [76-59-5]
- EINECS-No.: 200-971-2
- Solub. in water: (20 ºC): insoluble
- Tariff number: 2934 99 90 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
pH range (yellow to blue): 5,8 - 7,6
Absorption maximum l1 (pH 5,8) : 430 - 435 nm
Absorption maximum l2 (pH 7,6) : 615 - 618 nm
Absorptivity (A1%/1 cm; l1; pH 5,8 on dried sample): 260 - 300
Absorptivity (A1%/1 cm; l2; pH 7,6 on dried sample): 470 - 520
transition range acc. ACS : passes test
loss on drying (110 ºC): max. 3 %
- Synonyms: 3',3''-Dibromothymol-sulfonphthalein, BTB
- C27H28Br2O5S
- M = 624,40 g/mol
- CAS [76-59-5]
- EINECS-No.: 200-971-2
- Solub. in water: (20 ºC): insoluble
- Tariff number: 2934 99 90 90
- Applications: analytical chemistry, indicator.
SPECIFICATIONS
pH range (yellow to blue): 5,8 - 7,6
Absorption maximum l1 (pH 5,8) : 430 - 435 nm
Absorption maximum l2 (pH 7,6) : 615 - 618 nm
Absorptivity (A1%/1 cm; l1; pH 5,8 on dried sample): 260 - 300
Absorptivity (A1%/1 cm; l2; pH 7,6 on dried sample): 470 - 520
transition range acc. ACS : passes test
loss on drying (110 ºC): max. 3 %
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