Indigo

C₁₆H₁₀N₂O₂

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

CAS: 482-89-3

개요

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.

구성

원소 기호 원자 원자 질량
Hydrogen H 10 1.0080
Carbon C 16 12.0110
Nitrogen N 2 14.0070
Oxygen O 2 15.9990

원소 구성

H
3.8%
C
73.3%
N
10.7%
O
12.2%

용도

  • Blue dye for denim
  • Textile dyeing
  • Biological stain

흥미로운 사실

  • 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

성질

유형
organic
상태
solid
몰 질량
262.27 g/mol
녹는점
390.0 °C
용해도
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

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).