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BROMO PHENOL BLUE

BROMO PHENOL BLUE

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Backed by a team of skilled and trained professionals, we are able to provide the clients with BROMO PHENOL BLUE. These products are used by varied industries as acid-base indicator, color marker and dye. Owing to our advanced techniques and modern machinery, we are able ensure the non-contaminated form of these chemicals. Prepared by slowly adding excess bromine to a hot solution of phenolsulfonphthalein in glacial acetic acid, these products have a pure and accurate composition. BROMO PHENOL BLUE is available with us in different quantities in accordance to the needs of the clients.

Features:

  • Acid based
  • Moderate pH value
  • Longer shelf life
  • High usage
  • Color changing ability

Specification Sheet

CAS No.

115 - 39 - 9

Chemical Formula

C19H10Br4O5S

Molecular Weight

669.98

Melting Point

272 - 273o C

Dye Content

5%

Transition Range

pH 3.0 - 4.6
Greenish Yellow - Reddish Blue

Absorption Max (pH3.0)

434 - 439 nm

Absorption Max (pH4.6)

590 - 593 nm

Absorptivity (1%,1cm) pH 3.0

350 - 385

Absorptivity (1%,1cm) pH 4.6

940 - 1000

Loss On Drying (110o C)

<1%