Meets A.C.S. specs./Conforme aux normes A.C.S.

Bromophenol Blue
Molecular Formula	C19H10O5SBr4
Molecular Weight	669.98
Melting point	273 °C
Chemical Abstract Number	115-39-9
Clarity of solution/Clarté de la sol.	T.P.T.
Visual transition/Transition visuel:
pH 3.0 (yellow/jaune)-pH 4.6 (blue/bleu)

Meets A.C.S. specs./Conforme aux normes A.C.S.

Bromophenol Blue (Water Soluble dans l'Eau)
Molecular Formula	C19H9O5SBr4Na
Molecular Weight	691.97
Chemical Abstract Number	62625-28-9
Clarity of solution/Clarté de la sol.	T.P.T.
Visual transition/Transition visuelle
pH 3.0 (yellow/jaune)-pH 4.6 (blue/bleu)

Meets A.C.S. specs./Conforme aux normes A.C.S.

Bromothymol Blue
Molecular Formula	C27H28O5SBr2
Molecular Weight	624.40
Melting point	200-202 °C
Chemical Abstract Number	76-59-5
Clarity of solution/Clarté de la sol.	T.P.T.
Visual transition/Transition visuelle
pH 6.0 (yellow/jaune)-pH 7.6 (blue/bleu)

Meets A.C.S specs./Conforme aux normes A.C.S

Bromothymol Blue (Water Soluble dans l'Eau)
Molecular Formula	C27H27O5SBr2Na
Molecular Weight	646.38
Chemical Abstract Number	34722-90-2
Clarity of solution/Clarté de la sol.	T.P.T
Visual transition/Transition visuelle
pH 6.0 (yellow/jaune)-pH 7.6 (blue/bleu)