Błękit bromofenolowy wskaźnik, ACS – Scharlau
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Bromophenol blue, indicator, ACS
BPB
– 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 %
