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HOME / Products / Others / Bromocresol Green
| Chemical Name | Bromocresol Green |
| CAS Number | 76-60-8 |
| Product Number | OC000023 |
| Molecular Formula | C21H14Br4O5S |
| Molecular Weight | 698.04 |
1. Product Introduction
Bromocresol Green
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.
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