Congo Red

C₃₂H₂₂N₆Na₂O₆S₂

IUPAC: Congo red

CAS: 573-58-0

Ikhtisar

Congo red is an azo dye historically important as the first direct dye for cotton. In medicine, it is used to detect amyloid protein deposits.

Komposisi

Unsur Simbol Atom Massa Atom
Hydrogen H 22 1,0080
Carbon C 32 12,0110
Nitrogen N 6 14,0070
Oxygen O 6 15,9990
Sodium Na 2 22,9900
Sulfur S 2 32,0600

Komposisi Elemental

H
3,2%
C
55,2%
N
12,1%
O
13,8%
Na
6,6%
S
9,2%

Kegunaan

  • Amyloid detection stain
  • pH indicator (blue pH 3, red pH 5)
  • Historical textile dye

Fakta Menarik

  • Named to exploit public interest in the Congo Free State to boost sales in the 1880s

Keselamatan

  • ⚠ Possible carcinogen (azo dye)

Structure

SMILES

C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Sifat

Jenis
organic
Keadaan
solid
Massa Molar
696,66 g/mol
Kelarutan
very soluble

Molecular Descriptors

Exact Mass
696,0838
TPSA
233,0 Ų
H-Bond Donors
2
H-Bond Acceptors
12
Rotatable Bonds
5
Heavy Atoms
48
Complexity
1180,0

Frequently Asked Questions

What is Congo Red?
Congo Red (C₃₂H₂₂N₆Na₂O₆S₂) is a organic compound with the IUPAC name Congo red.
What is the molecular weight of Congo Red?
Congo Red has a molar mass of 696.66 g/mol.
What state is Congo Red at room temperature?
Congo Red is a solid at room temperature.
Is Congo Red organic or inorganic?
Congo Red is classified as an organic compound.
What elements make up Congo Red?
Congo Red (C₃₂H₂₂N₆Na₂O₆S₂) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O), Sodium (Na), Sulfur (S).