84632-50-8

Basic information

• Product Name: Benzonitrile, 3,3-(2,3,5,6-tetrahydro-3,6-dioxopyrrolo3,4-cpyrrole-1,4-diyl)bis-
• Synonyms: Benzonitrile, 3,3-(2,3,5,6-tetrahydro-3,6-dioxopyrrolo3,4-cpyrrole-1,4-diyl)bis-;3,3′-(2,3,5,6-Tetrahydro-3,6-dioxopyrrolo[3,4c] pyrrole-1,4-diyl)bisbenzonitrile;PigMent orange 71;Pigment Yellow 71
• CAS NO: 84632-50-8
• Molecular Formula: C₂₀H₁₀N₄O₂
• Molecular Weight: 338.319
• Mol File: 84632-50-8.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 564.9 °C at 760 mmHg
• Flash Point: 295.4 °C
• Appearance: /
• Density: 1.41 g/cm³
• PKA: 8.14±0.60(Predicted)
• Water Solubility: 13μg/L at 20℃
• CAS DataBase Reference: Benzonitrile, 3,3-(2,3,5,6-tetrahydro-3,6-dioxopyrrolo3,4-cpyrrole-1,4-diyl)bis-(CAS DataBase Reference)
• NIST Chemistry Reference: Benzonitrile, 3,3-(2,3,5,6-tetrahydro-3,6-dioxopyrrolo3,4-cpyrrole-1,4-diyl)bis-(84632-50-8)
• EPA Substance Registry System: Benzonitrile, 3,3-(2,3,5,6-tetrahydro-3,6-dioxopyrrolo3,4-cpyrrole-1,4-diyl)bis-(84632-50-8)

Safety Data

• Hazardous Substances Data: 84632-50-8(Hazardous Substances Data)

Usage

Flammability and Explosibility

Notclassified

Properties and Applications

TEST ITEMS SPECIFICATION APPEARANCE ORANGE POWDER SHADE REDDISH HEAT RESISTANCE 300 °C min LIGHT FASTNESS 7-8 ACID RESISTANCE 5 ALKALI RESISTANCE 5 FASTNESS TO BLEEDING 5 OIL ABSORPTION 35-40% SPECIFIC SURFACE 29m 2 /g DENSITY 1.40 g/cm 3 RESIDUE ON 80 MESH 5.0% max WATER SOLUBLE 1.0% max VOLATITE 105 °C 1.0% max TINTING STRENGTH 100-105 %

TEST ITEMS

SPECIFICATION

HEAT RESISTANCE

300 °C min

ACID RESISTANCE

5

ALKALI RESISTANCE

5

FASTNESS TO BLEEDING

5

RESIDUE ON 80 MESH

5.0% max

WATER SOLUBLE

1.0% max

VOLATITE 105 °C

1.0% max

TINTING STRENGTH

100-105 %

Downstream Products

• 937739-41-8 C₂₉H₁₆N₄O₆ 
• 108472-39-5 C₂₄H₁₈N₄S₂ 
• 96158-94-0 1,4-diketo-2,5-dimethyl-3,6-di-(3'-cyanophenyl)-pyrrolo-[3,4-c]-pyrrole 

Relevant articles and documents

SOLVENT-FREE PROCESS FOR THE PREPARATION OF DIKETOPYRROLOPYRROLE DERIVATIVES

The present application relates to compounds of formula A(D)X(E)y, (I), compounds of formula (III), compounds of formula (X), as well as processes for the preparation thereof, processes where the compounds (I) are converted to pigments of formula (II) and the use of the compounds (I).