26576-46-5

Basic information

• Product Name: 5-Acetoacetlamino benzimdazolone
• Synonyms: 5-(ACETOACETAMIDO)-2-BENZIMIDAZOLINONE;5-ACETOACETAMINOBENZIMIDAZOLONE;5-acetoacetlamino benzimdazolone;5-(ACETOACETYLAMINO) BENZIMIDAZOLONE;BUTANAMIDE, N-(2,3-DIHYDRO-2-OXO-1H-BENZIMIDAZOL-5-YL)-3-OXO-;n-(2,3-dihydro-2-oxo-1h-benzimidazol-5-yl)-3-oxo-butanamide;N-(2,3-DIHYDRO-2-OXOBENZIMIDAZOL-5-YL)ACETOACETAMIDE;n-(2,3-dihydro-2-oxo-1h-benzimidazol-5-yl)-3-oxo-butanamid
• CAS NO: 26576-46-5
• Molecular Formula: C₁₁H₁₁N₃O₃
• Molecular Weight: 233.22
• EINECS: 247-820-7
• Mol File: 26576-46-5.mol
• Article Data: 6

Chemical Properties

• Melting Point: 350°C
• Boiling Point: 370.999 °C at 760 mmHg
• Flash Point: 153.5 °C
• Appearance: White to off-white powder
• Density: 1.369 g/cm³
• Vapor Pressure: 1.06E-05mmHg at 25°C
• Refractive Index: 1.617
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility: soluble in Dimethylformamide
• PKA: 11.02±0.46(Predicted)
• CAS DataBase Reference: 5-Acetoacetlamino benzimdazolone(CAS DataBase Reference)
• NIST Chemistry Reference: 5-Acetoacetlamino benzimdazolone(26576-46-5)
• EPA Substance Registry System: 5-Acetoacetlamino benzimdazolone(26576-46-5)

Safety Data

• Hazardous Substances Data: 26576-46-5(Hazardous Substances Data)

Usage

Chemical Properties

White to off-white powder

Uses

5-Acetoacetylaminobenzimidazolone is used for the manufacture of organic pigments.

InChI:InChI=1/C11H11N3O3/c1-6(15)4-10(16)12-7-2-3-8-9(5-7)14-11(17)13-8/h2-3,5H,4H2,1H3,(H,12,16)(H2,13,14,17)

Upstream product

• 95-54-5 1,2-diamino-benzene 
• 97-00-7 1-chloro-2,4-dinitro-benzene 
• 57-13-6 urea 
• 674-82-8 4-methyleneoxetan-2-one 
• 95-23-8 5-amino-1,3-dihydro-benzoimidazol-2-one 

Downstream Products

• 31837-42-0 2-{[2-oxo-1-(2-oxo-2,3-dihydro-1H-benzoimidazol-5-ylcarbamoyl)-propylidene]-hydrazino}-benzoic acid 
• 77804-81-0 C.I. pigment yellow 180 
• 35636-63-6 Pigment Yellow 175 

Relevant articles and documents

Preparation method of 5-acetoacetamidobenzimidazolone

The invention provides a preparation method of 5-acetoacetamidobenzimidazolone. The technical solution adopts a brand-new synthetic route. The method comprises the following steps: firstly, dissolvingo-phenylenediamine serving as a raw material in a dichl

PIGMENT DISPERSIONS WITH POLYMERIC DISPERSANTS HAVING PENDING CHROMOPHORE GROUPS.

A pigment dispersion comprising a colour pigment represented by formula (I) wherein, R1 is selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group, -CF3 , -COOH, -COOCH3 and; R2, R4 and R5 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group,-CF3 , -COOH and -COOCH3; R3 is selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group,-CF3, -COOH, -COOCH3, -SO2NH-C6H5, -CONH-C6H5, -CONH-C6H5-CONH2 and -CONH2 ; R6 and R7 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group,- CF3 , -COOH and -COOCH3, or R6 and R7 represent the necessary atoms to form an imidazolone ring; and a polymeric dispersant having via a linking group covalently linked to its polymeric backbone at least one pending chromophore group which has a molecular weight smaller than 95% of the molecular weight of said colour pigment. The pigment dispersion can be advantageously used in inkjet inks.

Non-aqueous pigment dispersions containing specific dispersion synergists

A non-aqueous pigment dispersion comprising a colour pigment, a polymeric dispersant, and a dispersion synergist characterized in that the molecular weight of the anionic part of the dispersion synergist containing at least one carboxylate anion is smalle