bromophenol blue cas 115-39-9

Bromophenol Blue (CAS 115-39-9) quick Details

Chemical Name: Bromophenol Blue

CAS No.: 115-39-9

Molecular Fomula: C19H10Br4O5S

Molecular weight: 669.96

Chemical Structure:Bromophenol Blue Structure

Appearance: Light Red Powder

Description

Bromophenol Blue (CAS 115-39-9) typical Properties

Item Specifications
Appearance Light Red Powder
PH 3.0-4.6 Yellow – Blue Purple
Mass Absorption Coefficient ≥115 (L/ cm.g)
Ethanol Dissolution /
Residue on Ignition ≤0.25%

Bromophenol Blue (CAS 115-39-9) Usage

Used as an acid-base indicator

  1. Biochemical Applications: Bromophenol Blue, with CAS number 115-39-9, is commonly used in biochemical applications as a tracking dye in agarose and polyacrylamide gel electrophoresis. It helps visualize the migration of DNA, RNA, and proteins during electrophoretic separation.
  2. pH Indicator: This compound serves as a pH indicator, exhibiting a color change from yellow to blue over the pH range of 3.0 to 4.6. Due to its sensitivity to pH changes, it is utilized in various laboratory and industrial processes to monitor acidity levels.
  3. Chemical Analysis: Bromophenol Blue is employed in chemical analysis as an indicator for titrations and colorimetric assays. Its distinct color transition aids in determining the endpoint of chemical reactions.
  4. Educational and Research Use: Bromophenol Blue is commonly used in educational laboratories and research settings for visualizing chemical reactions. It is particularly valuable in experiments where pH changes need to be observed.

Bromophenol Blue (CAS 115-39-9) Packaging and Shipping

Packing: 1kg / aluminum foil bag or 25kg / drum.

Delivery: Delivery within 2-3 days once receiving the payment

Bromophenol Blue (CAS 115-39-9) Storage

Sealed, kept in cool and dark place.In fiber drum.

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