Bromocresol green, indicator
- Synonyms: 3,3',5,5'-Tetrabromo-m-cresolsulfonphthalein, BCGr- C21H14Br4O5Sr- M = 698,04 g/molr- CAS [76-60-8]r- EINECS-No.: 200-972-8r- Tariff number: 2934 99 90 90r- Applications: analytical chemistry, indicator.rrSPECIFICATIONSrpH range (yellow to blue): 3,8 - 5,4 rAbsorption maximum l1 (pH 3,5): 444 - 445 nmrAbsorption maximum l2 (pH 5,4): 615 - 618 nmrAbsorptivity (A1%/1 cm; l1, pH 3,5; on dried sample): 265 - 275rAbsorptivity (A1%/1 cm; l2, pH 5,4; on dried sample): 530 - 570 rloss on drying (110 ºC): max. 5 % r
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