Bromocresol Green Sodium Salt CAS No. 62825-32-5

• Customization: Available
• CAS No.: 62625-30-3
• Formula: C21h15br2nao5s
• Model NO.: IND
• EINECS: 263-655-3
• Classification: Organic Analytical Reagents
• Grade: Ind
• Specific Usage: For Biological Purpose
• Content: Standard
• Usage: Laboratory Reagents
• Source: Concrete
• Habit Appellation: Fine Chemicals
• Application: Scientific Research
• Property: Organic Reagent
• Melting Point: 230 °c (DEC.)(Lit.)
• Molecular Formula: C21h13br4nao5s
• Molecular Weight: 720
• Transport Package: 25kgs Fiber Drums
• Specification: AR
• Trademark: Sinochembt
• Origin: Shenyang, China
• HS Code: 2934999090
• Production Capacity: 500kgs Per Month

Product Description

Grade                                  
                                          (AR)
Appearance                          Dark green to black powder or crystals
Infrared spectrum           Conforms to structure
Purity(HPLC)                        ≥90.0%  
PHVisual range                  3.8(yellow)-5.4(blue)
Residue on ignition(as sulfate) 8.5-11.5%


(name)                     (Ind)
                              (indicator grade)
                        
PH                       3.8()-5.4()
()             8.5-11.5%


Grade                                 
                                       (High pure)
Appearance                  
Infrared spectrometry       Conforms
Purity                              98.0 to 105.0 % ()  
pHTransition interval:            pH 3.8 (yellow) to pH 5.4 (blue)
Sensitiveness test            Pass



Grade                                ACS  
                                     (ACS reagent, 90 %)
Appearance                          
Infrared spectrometry       Conforms
Purity                              ≥90.0% (HPLC)
λ                                       614 - 618 nm
                                        c = 0.01g/L, Water
Extinction Coefficient          ≥25000
λ                                       394 - 406 nm
Extinction Coefficient          ≥8000  
λ                                       306 - 310 nm
Extinction Coefficient          ≥10000
pHTransition interval:            pH 3.8 (yellow) to pH 5.2 (blue)
Visual Interval                         Pass
                                        pH 3.8 = Yellow  
Visual Interval                         Pass
                                        pH 4.5 = Green
Visual Interval                         Pass
                                        pH 5.4 = Blue
Insoluble Matter.                c = 0.1g/100ml; Water

 

PH(pH 3.8-5.4).