89-16-7

Basic information

• Product Name: bis(8-methylnonyl) phthalate
• Synonyms: Bis(8-methylnonyl)phthalat;Einecs 201-884-2;1,2-Benzenedicarboxylic Acid 1,2-Bis(8-Methylnonyl) Ester;1,2-Benzenedicarboxylic Acid Bis(8-Methylnonyl) Ester
• CAS NO: 89-16-7
• Molecular Formula: C₂₈H₄₆O₄
• Molecular Weight: 446.6624
• EINECS: 201-884-2
• Product Categories: Aromatics;Intermediates & Fine Chemicals;Pharmaceuticals
• Mol File: 89-16-7.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 425.8 °C at 760 mmHg
• Flash Point: 227.6 °C
• Appearance: /
• Density: 0.964g/cm³
• Vapor Pressure: 5.63E-10mmHg at 25°C
• Refractive Index: n20/D1.477-1.481
• BRN: 2171889
• CAS DataBase Reference: bis(8-methylnonyl) phthalate(CAS DataBase Reference)
• NIST Chemistry Reference: bis(8-methylnonyl) phthalate(89-16-7)
• EPA Substance Registry System: bis(8-methylnonyl) phthalate(89-16-7)

Safety Data

• WGK Germany: 1
• Hazardous Substances Data: 89-16-7(Hazardous Substances Data)

Usage

Chemical Properties

Clear Colorless Oil

Uses

A phtalate ester found in plastic gasket used in food packaging. Used in environmental toxicology studies as a present contaminant.

InChI:InChI=1/C28H46O4/c1-27(2,3)19-13-7-9-15-21-31-25(29)23-17-11-12-18-24(23)26(30)32-22-16-10-8-14-20-28(4,5)6/h11-12,17-18H,7-10,13-16,19-22H2,1-6H3

Upstream product

• 85-44-9 phthalic anhydride 
• 55505-26-5 8-methyl-1-nonanol 
• 95-47-6 o-xylene 
• 131-11-3 phthalic acid dimethyl ester 

Relevant articles and documents

Preparation method of naphthenic ester which is advantageous in low apparatus cost, short esterification time and simple manufacturing process

The invention discloses a preparation method of naphthenic ester. The preparation method includes a first esterification step and a hydrogenation step. In the first esterification step, a starting raw material containing a reaction component and an alcohol component is subjected to an esterification reaction under the conditions of normal pressure and no catalysts, so as to form a crude aromatic esterification product with an acid value in a range of larger than 10 mgKOH/g and smaller than 80mgKOH/g, wherein the reaction component contains an aromatic material with a reaction group, and the reaction group is at least one of a sulfonic group, a carboxylic group, a carboxylate group and a carboxylic anhydride group, while the crude aromatic esterification product contains an aromatic ester component and the residual starting material. In the hydrogenation step, the crude aromatic esterification product is in contact with hydrogen and is subjected to a hydrogenation reaction in the existence of a catalyst so as to form a crude naphthenic ester product, wherein the crude naphthenic ester product contains a naphthenic ester component.

A liquid phase oxidation of O-xylene with esterification coupling preparation of phthalic acid diester method

The invention relates to a method for preparation of diester phthalate by o-xylene liquid-phase oxidation and esterification coupling. In the presence of a catalyst, air or oxygen is used as an oxygen source for preparation of the diester phthalate by o-xylene liquid-phase oxidation and esterification coupling. The method has the advantages of mild reaction conditions, safe operation, low raw material and energy consumption, high conversion rate and high selectivity and the like.

Catalyst composition and method for the manufacture of esters

An improved method for the manufacture of purified esters is provided. The method comprises reaction of carboxylic acids or anhydrides with alcohols in the presence of certain novel chelated titanate catalysts having unique structural features that provide means for simplification of the refining process as well as for improving reaction rates, ester yield and product quality.