Bromocresol Green CAS 76-60-8 Haihang Industry

• CAS No.: 76-60-8
• Formula: C21h14br4o5s
• EINECS: 200-972-8
• Classification: Specific Reagents
• Grade: AR
• Specific Usage: For Biological Purpose, For Tissue Medium Purpose, For Microbiological, For Electron Microscopy, For Lens Blooming, Super Special Grade
• Model NO.: HHPWL
• Content: Standard
• Usage: Laboratory Reagents, Diagnostic Reagents
• Source: Extract Natural Things
• Habit Appellation: Fine Chemicals
• Application: Industry, Scientific Research, Health, Environmental Protection
• Property: Inorganic Reagent
• pH: 3.8~5.4
• Transport Package: 1kg/Bag 25kg/Drum
• Specification: 1kg/bag 25kg/drum
• Trademark: Haihang Industry
• Origin: Shandong, China

Product Description

Product Description

Bromocresol green 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

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)	α1(λ1, PH3.8 dry sample) 24-28	25
	α2(λ1, 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 conform with HG/T4017-2008 indicator

Bromocresol green Application

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

Bromocresol green Packing

1kg/bag 25kg/drum

Bromocresol green Storage

Stored in a cool, dry, and ventilation place.