Bromocresol green 25g

R1,160.94

Items in stock, allow 5-7 working days delivery period within South Africa and 7-10 working days for orders within Southern Africa

17 in stock (can be backordered)

SKU: ZA.003.361 Category:

Description

Synonyms: Bromocresol green, 3,3′,5,5′-Tetrabromo-m-cresolsulfonphthalein, BCG
Empirical Formula (Hill Notation): C21H14Br4O5S

 

Bromocresol green is a pH indicator that is yellow below pH 3.8 and blue over pH 5.4. Between pH 3.8 and 5.4 it is green. The indicator is made from bromocresol green powder dissolved in ethanol.

Bromocresol green is most often used for electrophoresis, titration, and in microbial growth media.

Analysis Note

Transition range: pH 3.8 – pH 5.4yellowish green – blue
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 3
Transition range (according to ACS): passes test
Sensitivity test: passes test

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