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Bromocresol Green Cas 76-60-8

Chemical Name:Bromocresol green
CAS: 76-60-8
Appearance: Yellow crystal
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Quick Details

Chemical Name:Bromocresol green

CAS: 76-60-8

Molecular Formula:C21H14Br4O5S

Molecular weight:698.01

Appearance: Yellow crystal

Bromocresol green Specifications

PH Color change interval: 3.8 (yellow-green)-5.4 (blue)

Maximum absorption wavelength (nm): λ1(PH3.8)440-445

λ2(PH5.4) 615-618

Mass absorption coefficient, L/(cm.g): α1(λ1, PH3.8 dry sample)

α2(λ1, PH5.4 dry sample)

Ethanol dissolved test: Pass test

Loss on drying: ≤3.0

Residue on ignition (as SO4)%’: ≤0.25


Typical Properties

ItemSpecifications
Assay (%)≥98.5
PH Color change interval3.8 (yellow-green)-5.4 (blue)
Maximum absorption wavelength (mm)λ1 (PH3.8)440-445
λ2 (PH5.4) 615-618
Mass absorption coefficient, L/(cm.g)α1(λ1, PH3.8 dry sample) 24-28
α2(λ1, PH5.4 dry sample) 53-58
Ethanol dissolved testPass test
Loss on drying≤3.0
Residue on ignition (as SO4)%≤0.25
ConclusionThe results conforms with HG/T4017-2008 indicator


Application

This product is used as acid-base indicator and cell staining agent.

Bromocresol green Packing

1kg/bag 25kg/drum

Storage

Stored in cool, dry and ventilation place.


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