Adipic Acid Essay

43555 Words Nov 16th, 2011 175 Pages
CHAPTER 1

INTRODUCTION

1. HISTORY AND GENERAL INFORMATION ON ADIPIC ACID

1. History on The Production

Adipic acid is an important organic chemical raw material. In China, it is used as raw material in the production of Nylon 6/6 salt, polyurethane, plasticizers, high-grade lubricants and food additives. With the rapid growth of development, the application of adipic acid keeps expanding. The production of adipic acid is controlled in the hands of multinationals. An American chemical company (DuPont) is the biggest supplier in the world. On 2004, total capacity of adipic acid in the world was recorded to be as much as 2.74 million tons and Du Pont alone caters about 1.1 million tons which is almost
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Since the material is odorless and irritant properties are unreliable, therefore it can be assumed that the warning properties are poor (PubChem Public Chemical Database, 2008).

Adipic acid consumption is linked almost 90% to nylon production by the polycondensation with hexamethylenediamine. Adipic acid is used in manufacturing plasticizers and lubricants components. It is used in making polyester polyols for polyurethane systems. Food grade adipic acid is used as gelling aid, acidulant, leavening and buffering agent. Adipic acid has two carboxylic acid, -COOH groups, which can yield two kinds of salts. Its derivatives, acyl halides, anhydrides, esters, amides and nitriles, are used in making target products such as flavoring agents, internal plasticizers, pesticides, dyes, textile treatment agents, fungicides, and pharmaceuticals through further reactions of substitution, catalytic reduction, metal hydride reduction, diborane reduction, ketone formation with organometallic reagents, electrophile bonding at oxygen, and condensation (SIDS, 2004).

2. PHYSICAL AND CHEMICAL PROPERTIES

Table 1.1: Physical and chemical properties of adipic acid
|Property |Description |
|Physical State |Crystalline Powder |
|Appearance

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