Orthophthalic acid definitions
| Word backwards | cilahthpohtro dica |
|---|---|
| Part of speech | Noun |
| Syllabic division | or-tho-phthal-ic ac-id |
| Plural | The plural of the word orthophthalic acid is orthophthalic acids. |
| Total letters | 17 |
| Vogais (3) | o,a,i |
| Consonants (7) | r,t,h,p,l,c,d |
Orthophthalic acid, also known as 1,2-benzenedicarboxylic acid, is a white crystalline solid commonly used in the manufacturing of unsaturated polyester resins. These resins are widely used in the production of fiberglass-reinforced plastics, coatings, adhesives, and other materials.
Properties of Orthophthalic Acid
Orthophthalic acid has a molecular formula C8H6O4 and a molar mass of 166.13 g/mol. It is soluble in water and alcohol, and its melting point is around 211 degrees Celsius. This compound has a characteristic pungent odor and is considered a moderately strong acid in terms of acidity.
Production Process
Orthophthalic acid is typically produced through the oxidation of ortho-xylene or naphthalene. This process involves the use of a catalyst such as cobalt or manganese salts to facilitate the reaction. The resulting product is then further refined to obtain the pure orthophthalic acid crystals.
Applications of Orthophthalic Acid
One of the primary applications of orthophthalic acid is in the production of unsaturated polyester resins, which are used in a variety of industries including construction, automotive, and marine. These resins provide excellent strength, durability, and corrosion resistance to the materials they are applied to.
Orthophthalic acid is also used in the synthesis of phthalic anhydride, which is a key intermediate in the production of various plastics, dyes, and pharmaceuticals. Additionally, it finds applications as a laboratory reagent in organic synthesis and as a precursor in the manufacture of herbicides and insecticides.
Environmental and Health Considerations
While orthophthalic acid itself is not considered highly toxic, exposure to its vapors or dust may irritate the eyes, skin, and respiratory tract. It is important to handle this compound with care and follow proper safety precautions during its production and use. In terms of environmental impact, orthophthalic acid may contribute to pollution if not handled and disposed of properly.
In conclusion, orthophthalic acid plays a crucial role in the production of various materials that we encounter in our daily lives. Its versatile applications and unique properties make it a valuable compound in the chemical industry, despite the need for responsible handling and management to ensure safety and environmental sustainability.
Orthophthalic acid Examples
- Orthophthalic acid is commonly used in the production of polyester resins.
- The chemical structure of orthophthalic acid contains two carboxylic acid groups.
- Orthophthalic acid is an important intermediate in the production of plasticizers.
- Some manufacturers use orthophthalic acid to make alkyd resins for paints and coatings.
- Orthophthalic acid can be used in the production of unsaturated polyester resins.
- Polyesters made from orthophthalic acid are commonly used in the marine industry for boat building.
- Orthophthalic acid is also used in the production of corrosion-resistant pipes and tanks.
- Some pharmaceutical companies use orthophthalic acid as an intermediate in drug synthesis.
- Orthophthalic acid can be found in some cleaning products due to its acidity.
- The versatility of orthophthalic acid makes it a valuable chemical in various industries.