3687-67-0

Basic information

• Product Name: 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one
• Synonyms: 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one;Vat Black 1;5-bromo-2-(9-chloro-3-oxonaphtho(1,2-b)thien-2(3h)-ylidene)-3-indolinon;C.I. Vat black 1;3H-Indol-3-one, 5-bromo-2-(9-chloro-3-oxonaphtho[ 1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-;2-(5-Bromo-3-oxo-2,3-dihydro-1H-indol-2-ylidene)-9-chloro-2,3-dihydronaphtho[1,2-b]thiophen-3-one;C.I.73670;Helanthrene Black BL
• CAS NO: 3687-67-0
• Molecular Formula: C20H9BrClNO2S
• Molecular Weight: 442.71296
• EINECS: 222-983-7
• Product Categories: Organics
• Mol File: 3687-67-0.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 559.76 °C at 760 mmHg
• Flash Point: 292.332 °C
• Appearance: /
• Density: 1.6215 (estimate)
• Vapor Pressure: 1.46E-12mmHg at 25°C
• Refractive Index: 1.802
• CAS DataBase Reference: 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one(CAS DataBase Reference)
• NIST Chemistry Reference: 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one(3687-67-0)
• EPA Substance Registry System: 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one(3687-67-0)

Safety Data

• Hazardous Substances Data: 3687-67-0(Hazardous Substances Data)

Usage

Description

5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one is a complex organic compound with a unique chemical structure. It is characterized by its blue light grey to blue black color and black powder form. 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one is not soluble in organic solvents and exhibits specific reactions when treated with concentrated sulfuric and nitric acids. It also undergoes alkaline and acid reduction reactions, resulting in different color changes.

Uses

Used in Textile Industry:
5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one is used as a dye for cotton fabric printing and dyeing. It is particularly suitable for dyeing light colors in cotton fabrics and demonstrates good affinity when used in the dyeing process of wool.
Standard:
5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one adheres to various industry standards, including ISO and AATCC, which evaluate its performance in terms of ironing fastness, chlorine bleach, light fastness, oxygen bleach, and soaping. The ratings for these standards range from 4 to 7, indicating its effectiveness and reliability in the textile industry.
Ironing Fastness:
ISO 4-5, AATCC 4
Chlorine Bleach:
ISO 5, AATCC 5
Light Fastness:
ISO 6-7
Oxygen Bleach:
ISO 4-5
Soaping:
ISO 4, AATCC 4
Fading:
ISO 4-5, AATCC 4
Stain:
AATCC 4

Preparation

9-Chloronaphtho[1,2-b]thiophen-3(2H)-one with 5-Bromo-2-chloro-3H-indol-3-one?condensation.

Standard

Ironing Fastness

Fading

Stain

ISO

4-5

AATCC

4

InChI:InChI=1/C20H9BrClNO2S/c21-10-5-7-14-12(8-10)17(24)16(23-14)20-18(25)11-6-4-9-2-1-3-13(22)15(9)19(11)26-20/h1-8,23H/b20-16+