Bromo Thymol Blue AR (pH Indicator) | C27H28Br2O5S, 5 gram

Bromo Thymol Blue AR (pH Indicator) | C27H28Br2O5S, 5 gram




PRODUCT CODE : 287525

SYNONYMS --

C.I. NO. --

CASR NO. : (76-59-5)

ATOMIC OR MOLECULAR FORMULA : C27H28Br2O5S

ATOMIC OR MOLECULAR WEIGHT : 624.40

PROPERTIES : Soluble in alcohol and alkaline solution, slightly soluble in water




PARAMETER LIMIT

pH Transition Range : pH 5.8 - 7.6 (Yellow - Blue)

Clarity of solution : To pass the test.

Absorption maximum :

λ1 (pH 5.8)

λ2 (pH 7.6)

430 - 435 nm

615 - 618 nm

Absorptivity :

(A1% / 1 cm at λ1;

(pH 5.8) on dried substance) :

260 - 300

Asorptivity :

(A1% / 1 cm at λ2;

(pH 7.6) on dried substance)

470-520




MAXIMUM LIMIT OF IMPURITY

Loss on drying (at 1100C) : 3.0%




Note :
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