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Bromocresol Green CAS NO. 76-60-8

1. Product Introduction Bromocresol Green CAS NO. 76-60-8 Molecular Formula: C21H14Br4O5S Chemical name: 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methylphenol] Bromocresol Green other names BCG; Bromocresol blue; used as pH indicator; electrophoresis tracking dye. 2.......

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1. Product Introduction

Bromocresol Green

CAS NO. 76-60-8

Molecular Formula: C21H14Br4O5S

Chemical name: 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methylphenol]

Bromocresol Green other names BCG; Bromocresol blue; used as pH indicator; electrophoresis tracking dye.


2. Specification or COA

BROMOCRESOL GREEN ANALYSIS RESULT

ITEMS

TARGETS

RESULTS

PH discoloration domain

3.8(yellow green)--5.4(blue)

3.8(yellow green)--5.4(blue)

Max absorption wavelength(nm)

 

 

λ1(PH 3.8)

440~445

443

λ2(PH 5.4)

615~618

616

Mass absorption coefficient L/cm.g

 

 

α1(λ1PH3.8,dry)

24~28

25.2

α2(λ2PH5.4,dry)

53~58

55.3

Ethanol dissolution test

conform

conform

Residue on ignition(sulfate)  ≤

0.25

0.1

Loss on drying ≤

3.0

0.8


3. Product application

Bromocresol Green is mainly used as a pH indicator. Visual transition interval: pH 3.8 (yellow) – 5.4 (blue). Also used as a tracking dye for DNA agarose gel electrophoresis.


4. Packing & Delivery

Standard export neutral packing in 4.5KG/PE bag in carton.


5. FAQ

Where did Meiyachem company come from?

Meiyachem was founded in Henan in 2005. Consistently with sister company KEMIACHEM CO., LIMITED, we are a global professional chemical solvents manufacturer and distributor through supplying solutions for a variety of chemicals with diverse applications and serve a wide range of industries.

What kind of packaging can Meiyachem provide?

Drums, IBC totes, ISO tank container and Flexitank.

Usually we supply the neutral packing to help push sales. Our packing is standardized in a manner which has proved successful in many export shipments. All the products were examined before packing and all packing material must be disinfected and immunized to comply with the regulations.

Can I expect shorter lead times and simpler processes from Meiyachem?

Yes. Long experience and an unmatched portfolio of products and services enable Meiyachem to meet the customer's needs in terms of quality, scheduling and energy efficiency. Our intent is to simplify processes wherever it makes sense.

Will the products I use from Meiyachem continue to have the same quality, safety, and performance?

Yes. We will continue to manufacture and supply products at the same manufacturing locations, and every product will uphold the same standards of quality, safety, and performance.

How do I know if a product is available to ship?

Please contact customer service directly either by email at info@meiyachem.com or by phone at +86 371-89963688


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