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Liyang Brother Chemical Co., Ltd.

27 YRS

Jiangsu, China

CNY 55.8 Million

199800 m²

50-100 people

Main Products: Indigo

Jiangsu, China

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Indigo powder / CAS 482-89-3

OVERVIEW

Packaging

25 KG/Fibre Drum

Lead Time

14-30 days

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DESCRIPTION

Indigo powder

Property and usage:

It is a kind of bleu powder reducing dye, and is the initial product of indigo. It is produced by stoving the filter cake from the former section. It is insoluble in water, ethanol and ethyl ether, but soluble inmelt benzoyl oxide. Itis mainly used in the dyeing and printing of cotton fiber, and is the special dye for jean fabric. It can also be processed into food dye and biochemical agent.

Quality index:

Appearance	Homogenic dark blue powder
Color light	similar as the standard sample
Content,%	≥ 94.0% ,96.0%
Moisture content,%	≤ 1.0%
Strength,%	equal to 100 percent of standard sample
PH value	7
Content of ferric ions, ppm	≤ 200PPM

Typical Properties

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

Matter Classification

organic

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