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

Preparation

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

Properties and Applications

blue light grey to blue black. Black powder. Not soluble in organic solvent. In concentrated sulfuric acid for olive, dilution after black precipitation; In concentrated nitric acid for black. Alkaline reduction leuco for gold; Acid reduction leuco for pale yellow. Mainly used for cotton fabric printing, also can be used for silk and wool dyeing. When dyed cotton commonly used in dyeing light color; When printing is suitable for direct printing, dyeing of wool when good affinity. Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping Fading Stain ISO 4-5 5 6-7 4-5 4 4-5 5 AATCC 4 5 6 4

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+