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Liyang Brother Chemical Co., Ltd.
Liyang Brother Chemical Co., Ltd.
27 YRS
Jiangsu, China
Main Products:
Indigo
Jiangsu, China
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Indigo / CAS 482-89-3
OVERVIEW
Packaging
25 KG/Fibre Drum
Lead Time
14-30 days
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DESCRIPTION
Indigo
Another name: reducing indigo
Index no. of dyes: C.I.Reducing blue1 (73000)
Corresponding foreign trade name: INDIGO(Acna, Fran, ICI,VAT BLUE)
Molecular formula:C16H10O2N2
molecular weight:262.27
Chemical name: 3,3-dioxbisindophenol
Chemical Structural formula:
Typical Properties
Summary
Indigo is a kind of vat dye and one of the earliest natural dyes used by human beings. It is named after its characteristic indigo.
CAS No.
482-89-3
Formula
C16H10N2O2
Molecular Mass
262.26300
Exact Mass
262.07400
PSA
58.20000
Logp
3.09080
IUPAC
2-(3-hydroxy-1H-indol-2-yl)indol-3-one
SMILES
C1=CC=C2C(=C1)C(=C(N2)C3=NC4=CC=CC=C4C3=O)O
Attribute classification
Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates
Dyestuffs and Pigments > Vat Dyes
Dyestuffs and Pigments > Vat Dyes
Chemical and Physical Properties
Melting Point
>300 °C(lit.)
Density
1.01 g/mL at 20 °C
Boiling Point
400.4 ºC at 760mmHg
Flash Point
158.2 ºC
Appearance
Dark blue powder (or particle)
Export information
HS Code
32041510
Export Rebate
0%
Export Formalities
A
R
Risk Code
R36/37/38
Safety Label
Xi,Xn
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