Congo Red

C₃₂H₂₂N₆Na₂O₆S₂

IUPAC: Congo red

CAS: 573-58-0

概述

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.

组成

元素 符号 原子 原子质量
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

元素组成

H
3.2%
C
55.2%
N
12.1%
O
13.8%
Na
6.6%
S
9.2%

用途

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

趣味知识

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

安全性

  • ⚠ 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+]

属性

类型
organic
状态
solid
摩尔质量
696.66 g/mol
溶解度
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).