Congo Red

C₃₂H₂₂N₆Na₂O₆S₂

IUPAC: Congo red

CAS: 573-58-0

Aperçu

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.

Composition

Élément Symbole Atomes Masse atomique
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

Composition élémentaire

H
Hydrogen ×22
3,2%
C
Carbon ×32
55,2%
N
Nitrogen ×6
12,1%
O
Oxygen ×6
13,8%
Na
Sodium ×2
6,6%
S
Sulfur ×2
9,2%

Usages

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

Le saviez-vous

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

Sécurité

  • ⚠ 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+]

Propriétés

Type
organic
État
solid
Masse molaire
696,66 g/mol
Solubilité
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

Composés associés

Caffeine

C₈H₁₀N₄O₂

Coumarin

C₉H₆O₂

Acetone

(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

Cysteine

C₃H₇NO₂S

DDT

C₁₄H₉Cl₅

Alanine

C₃H₇NO₂

Diazepam

C₁₆H₁₃ClN₂O

Dichloromethane

CH₂Cl₂

Butane

C₄H₁₀

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).