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bromocresol green cas 76-60-8

Chemical Name:Bromocresol green

CAS: 76-60-8

Molecular Formula:C21H14Br4O5S

Molecular weight:698.01

Appearance: Yellow crystal

Category:

Description

Bromocresol green quick Details

Chemical Name:Bromocresol green

CAS: 76-60-8

Molecular Formula:C21H14Br4O5S

Molecular weight:698.01

Appearance: Yellow crystal

Bromocresol greenSpecifications

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

Bromocresol green typical Properties

Item Specifications Results
Assay (%) ≥98.5 98.9
PH Color change interval 3.8 (yellow-green)-5.4 (blue) Pass test
Maximum absorption wavelength (mm) λ1 (PH3.8)440-445 442
λ2 (PH5.4) 615-618 616
Mass absorption coefficient, L/(cm.g) α11, PH3.8 dry sample) 24-28 25
α21, PH5.4 dry sample) 53-58 55
Ethanol dissolved test Pass test Pass test
Loss on drying ≤3.0 2.1
Residue on ignition (as SO4)% ≤0.25 0.25
Conclusion The results conforms with HG/T4017-2008 indicator

Bromocresol greenApplication

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

Bromocresol greenPacking

1kg/bag 25kg/drum

Bromocresol greenStorage

Stored in cool, dry and ventilation place.

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