Solid phase
Official name
Bromophenol blue
CAS number
115-39-9
Family
molecular solid
Class
polar molecular solid
Compound type
organic molecular solid
Formula
((C6H2)Br2OH)2C(C6H4)SO3
Chemical formula
(C6H2Br2OH)2C(C6H4)SO3
Elemental formula
C19 H10 O5 Br4 S
Isotope mixture type
terrestrial abundance
2.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
((C6H2)cyclBr2OH)2C(C6H4)cyclSO3 Bromophenol blue molecule 1 1.0 1 pure main
Chemical functions
  Function Number
ROH 2
RBr 4
RC=CHCH=CHCH=CHcycl 3
R(O=S=O)OR 1
Chemical bonds
  Bond Number
12
>C=C< 9
\geq C-H 8
-O-H 2
\eqslantgtr C-O- 2
\geq C-O- 1
\eqslantgtr C-S \ll - 1
\geqq S=O 1
-\gg S-O- 1
Class
molecular solids with polar molecules (02)
Type
with polyatomic organic polar molecules (CnHm...) (02.01)
Group
mixed hydrocarbons (02.01.05)
Phase type
crystalline
Molar mass
669.96 g/mol
Density
2.2 (predicted) g/cm^3
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid 273°C (546K)
Refringence type
unknown
Refraction index n_{\alpha}
1.743
Pure color
pink
Color
light pink to purple (Yellow to blue in solution, depending on pH)