All Photos(1)

1.03026

Supelco

Bromothymol blue

indicator ACS,Reag. Ph Eur

Synonym(s):
Bromothymol blue, 3′,3′′-Dibromothymolsulfonphthalein, BTB
Empirical Formula (Hill Notation):
C27H28Br2O5S
CAS Number:
Molecular Weight:
624.38
MDL number:
EC Index Number:
200-971-2

Quality Level

grade

ACS reagent

Agency/Method

reag. Ph. Eur.

bulk density

450 kg/m3

storage temp.

2-30°C

InChI

1S/C27H28Br2O5S/c1-13(2)17-11-20(15(5)23(28)25(17)30)27(19-9-7-8-10-22(19)35(32,33)34-27)21-12-18(14(3)4)26(31)24(29)16(21)6/h7-14,30-31H,1-6H3

InChI key

NUHCTOLBWMJMLX-UHFFFAOYSA-N

Related Categories

Analysis Note

Transition range: pH 5.8 - pH 7.6yellow - blue
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 3
Transition range (according to ACS): passes test
Sensitivity test: passes test

Storage Class Code

11 - Combustible Solids

WGK Germany

WGK 3

Flash Point F

Not applicable

Flash Point C

Not applicable

Certificate of Analysis

Certificate of Origin

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service