Bromocresol purple CAS 115-40-2

Chemical Name:Bromocresol Purple

CAS No.:115-40-2

Molecular Formula: C21H16Br2O5S

Molecular Weight:540.22

MolecularStructure:Bromocresol Purple Structure

Appearance:Slightly yellow fine crystal

Description

Bromocresol purple CAS 115-40-2

Item

Standard

The maximum absorption wavelength: λ1(PH 35.2)nm

427~431

The maximum absorption wavelength: λ2(PH 56.8) nm

588~590

Mass absorption coefficient(L/cm。g)α11PH 5.2,Dry sample)

40.5~45.0

Mass absorption coefficient(L/cm。g)α2(λ2PH 56.8,Dry sample)

100.0~110.0

PH Discoloration domain

5.2(yellow)~6.8(purple)

Dilute alkali dissolution test

Conforms

Residue on ignition(Sulfate)

0.1

Loss on Drying

0.5

Appearance

Conforms

 

Bromocresol Purple Usage

1. Bromocresol Purple can be used as an indicator for acid-base, chromatographic analysis, and non-aqueous titration.

2. The pH range of Bromocresol Purple: 5.2 (yellow)-6.8 (purple).

3. Bromocresol Purple can be used as an adsorption indicator and an internal standard for amino acid chromatography.

4. Bromocresol Purple can be used for silver salt titration of thiocyanate and spectrophotometric method to precipitate serum proteins.

 

Bromocresol Purple Packaging and Shipping

Packing: 25kg /drum

Delivery: by express, by sea,by air

 

Bromocresol Purple Storage

Stored in a cool ventilated warehouse.

 

Same series products

Bromocresol purple

115-40-2

Bromocresol green

76-60-8

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