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Bromophenol Blue-CAS-115-39-9

April 16, 2026

Product Name:Bromophenol Blue

CAS: 115-39-9

pH

3.0 (yellow) ~ 4.6 (blue-violet)

3.0 (yellow) ~ 4.6 (blue-violet)

Absorptivity (L/cm·g)

≥115.0

115.7

Ethanol Solubility Test

Pass

Pass

Residue on Ignition (as Sulfate)

≤0.25

0.22

 

Bromophenol blue also has wide applications in the industrial sector, primarily used in the dyeing processes of silk, leather, and certain textile products. In recent years, a series of studies have explored the potential of bromophenol blue in pH-responsive smart materials. For example, nylon 66 fabric dyed with bromophenol blue has been used for the visual detection of acidic liquids, demonstrating good color yield (K/S value) and pH responsiveness. Furthermore, the combination of cationically finished cotton fabric with bromophenol blue enables an environmentally friendly dyeing process while imparting certain antibacterial properties to the fabric.

Judy@coreychem.com

 

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