Solid phase
Official name
Bromophenol blue
CAS number
115-39-9
Type
Family
molecular solid
Class
polar molecular solid
Compound type
organic molecular solid
Chemical composition
Formula
$((C_6H_2)Br_2OH)_2C(C_6H_4)SO_3$
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
$((C_6H_2)_{cycl}Br_2OH)_2C(C_6H_4)_{cycl}SO_3$ Bromophenol blue molecule 1 1.0 1 pure main
Chemical functions
  Function Number
$R-OH$ 2
$R-Br$ 4
$R-C=CH-CH=CH-CH=CH- cycl$ 3
$R-(O=S=O)-O-R$ 1
Chemical bonds
  Bond Number
$\eqslantgtr C-C\leq$ 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)
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