Indigo

C₁₆H₁₀N₂O₂

IUPAC: (2E)-2-(3-Oxo-1H-indol-2-ylidene)-1H-indol-3-one

CAS: 482-89-3

Обзор

Indigo is the oldest known vat dye, used to color blue jeans since 1873. Natural indigo was one of the most valuable commodities for millennia before synthetic production began.

Состав

Элемент Символ Атомы Атомная масса
Hydrogen H 10 1,0080
Carbon C 16 12,0110
Nitrogen N 2 14,0070
Oxygen O 2 15,9990

Элементный состав

H
Hydrogen ×10
3,8%
C
Carbon ×16
73,3%
N
Nitrogen ×2
10,7%
O
Oxygen ×2
12,2%

Применение

  • • Blue dye for denim
  • • Textile dyeing
  • • Biological stain

Интересные факты

  • ✦ Over 80,000 tonnes of synthetic indigo are produced annually, mostly for blue jeans

Structure

SMILES

C1=CC=C2C(=C1)C(=C(N2)C3=NC4=CC=CC=C4C3=O)O

Свойства

Тип
organic
Состояние
solid
Молярная масса
262,27 g/mol
Температура плавления
390,0 °C
Растворимость
insoluble

Molecular Descriptors

Exact Mass
262,0742
XLogP
2,7
TPSA
65,5 Ų
H-Bond Donors
2
H-Bond Acceptors
3
Rotatable Bonds
1
Heavy Atoms
20
Complexity
448,0

Связанные соединения

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 Indigo?
Indigo (C₁₆H₁₀N₂O₂) is a organic compound with the IUPAC name (2E)-2-(3-Oxo-1H-indol-2-ylidene)-1H-indol-3-one.
What is the molecular weight of Indigo?
Indigo has a molar mass of 262.27 g/mol.
What state is Indigo at room temperature?
Indigo is a solid at room temperature.
Is Indigo organic or inorganic?
Indigo is classified as an organic compound.
What elements make up Indigo?
Indigo (C₁₆H₁₀N₂O₂) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).