Pengertian Dibasic Ester

Dibasic adalah senyawa organik terbentuk dari reaksi antara asam karboksilat & alkohol. Reaksi ini dikenal sebagai reaksi esterifikasi. Struktur dasar  adalah RCOOR’, di mana R dan R’ dapat berupa gugus alkil atau aril. Contoh sederhana dari ester adalah etil asetat, memiliki rumus kimia CH3COOCH2CH3. sering kali memiliki bau yang harum & digunakan dalam berbagai aplikasi industri & farmasi.

Sintesis Dibasic Ester

Proses pembentukan Dibasic, atau esterifikasi, melibatkan reaksi antara asam karboksilat dan alkohol dengan katalis asam, seperti asam sulfat. Reaksi ini dapat diilustrasikan sebagai berikut:

RCOOH+R′OH→RCOOR′+H2ORCOOH+R′OH→RCOOR′+H2​O

Proses ini melibatkan pelepasan molekul air (H_2O) sebagai produk sampingan. Untuk meningkatkan hasil reaksi, air terbentuk biasanya dihilangkan dari sistem reaksi. Salah satu metode untuk ini adalah menggunakan azeotropik distilasi, di mana pelarut seperti toluena digunakan untuk membentuk azeotrop dengan air, sehingga air dapat dipisahkan dengan lebih mudah.

Sifat Kimia & Fisika Ester

Dibasic memiliki beberapa sifat kimia & fisika yang khas:

• Aroma:

Banyak dibasic memiliki bau harum, menyenangkan, membuatnya digunakan dalam industri parfum dan makanan sebagai flavoring agent.

• Kelarutan:

dibasic umumnya larut dalam pelarut organik tetapi memiliki kelarutan terbatas dalam air.

• Reaktivitas:

dibasic dapat mengalami hidrolisis untuk kembali ke asam karboksilat dan alkohol asalnya. Hidrolisis ini bisa bersifat asam atau basa.

• Titik Didih:

dibasic umumnya memiliki titik didih lebih rendah dibandingkan dengan asam karboksilat atau alkohol dengan massa molar yang setara, karena tidak memiliki ikatan hidrogen intermolekuler.

Aplikasi Dibasic Ester

Dibasic memiliki berbagai aplikasi penting dalam kehidupan sehari-hari, beberapa di antaranya adalah:

• Industri Parfum & Kosmetik:

dibasic sering digunakan sebagai bahan dasar dalam pembuatan parfum karena aromanya khas & menyenangkan. Contohnya, etil butirat memberikan aroma nanas, sementara isoamil asetat memberikan aroma pisang.

• Industri Makanan:

juga digunakan sebagai agen perasa dalam industri makanan. Contohnya, metil butirat digunakan untuk memberikan aroma apel.

• Farmasi:

Dalam dunia farmasi, dibasic digunakan dalam formulasi obat untuk meningkatkan penyerapan serta efikasi. Contoh dalam farmasi adalah aspirin (asetilsalisilat) merupakan ester dari asam salisilat juga asam asetat.

• Solvent:

digunakan sebagai pelarut dalam industri cat, tinta, pelapis. Misalnya, etil asetat digunakan sebagai pelarut dalam pembuatan cat & tinta.

• Plastik dan Polimer:

Beberapa ester digunakan dalam produksi plastik dan polimer. Polietilena tereftalat (PET), yang digunakan dalam botol plastik, serat sintetis, adalah contoh polimer yang dibuat dari ester.

Proses Esterifikasi dalam Industri

Proses esterifikasi di industri dilakukan dengan menggunakan berbagai teknik untuk meningkatkan efisiensi dan hasil produk. Berikut beberapa metode yang umum digunakan:

• Reaksi dengan Katalis Asam:

Metode ini melibatkan penggunaan katalis asam kuat seperti asam sulfat atau asam para-toluensulfonat untuk mempercepat reaksi esterifikasi.

• Esterifikasi Enzimatis:

Enzim seperti lipase dapat digunakan untuk mengkatalisis reaksi esterifikasi dengan selektivitas tinggi & kondisi reaksi yang lebih mild.

• Transesterifikasi:

Proses ini melibatkan pertukaran gugus alkil antara ester dan alkohol. Transesterifikasi banyak digunakan dalam produksi biodiesel dari minyak nabati.

Keamanan & Dampak Lingkungan

Penggunaan Dibasic dalam industri harus mempertimbangkan aspek keamanan, dampak lingkungan. Beberapa ester, terutama yang digunakan sebagai pelarut, bisa bersifat mudah terbakar & berpotensi menimbulkan iritasi. Selain itu, produksi penggunaan ester harus memperhatikan pengelolaan limbah dan emisi untuk mengurangi dampak negatif terhadap lingkungan.

Penelitian & Pengembangan

Penelitian pengembangan terus berkembang, terutama dalam mencari metode sintesis lebih efisien serta ramah lingkungan. Salah satu fokus utama adalah pengembangan katalis yang lebih efektif dan penggunaan bahan baku terbarukan. Selain itu, penelitian juga dilakukan untuk menemukan ester baru dengan sifat unik dan aplikasi yang lebih luas.

Tips Memilih Supplier Dibasic Ester ( PT. Samiraschem Indonesia Menawarkan Harga Jual Dibasic Ester dengan Kualitas Terbaik)

Dibasic-ester memiliki peran sangat penting dalam berbagai industri pada kehidupan sehari-hari. Dari parfum hingga obat-obatan, ester memberikan kontribusi yang signifikan berkat sifat kimia dan fisikanya yang unik. Dengan terus berkembangnya teknologi dan penelitian, diharapkan penggunaan ester akan semakin efisien, ramah lingkungan, sehingga memberikan manfaat yang lebih besar bagi masyarakat.

Memilih supplier dibasic terbaik di Indonesia memerlukan perhatian pada berbagai faktor untuk memastikan kualitas produk, harga kompetitif, serta keandalan dan reputasi supplier. Berikut adalah beberapa tips yang dapat membantu Anda dalam memilih supplier dibasic-ester terbaik:

1. Kualitas Produk Dibasic Ester

Analisis Spesifikasi dan Sertifikasi:

• • Pastikan supplier menyediakan spesifikasi produk yang jelas dan detail. Produk harus memenuhi standar kualitas yang diharapkan.
  • Cari tahu apakah produk memiliki sertifikasi kualitas seperti ISO, GMP (Good Manufacturing Practice), atau sertifikasi lain yang relevan.

Sampel Produk:

• • Minta sampel produk untuk diuji di laboratorium Anda. Hal ini penting untuk memastikan bahwa produk tersebut memenuhi standar kualitas diperlukan untuk aplikasi Anda.

2. Reputasi & Pengalaman

Riwayat Perusahaan:

• • Periksa sejarah serta latar belakang perusahaan. Supplier dengan pengalaman lebih panjang cenderung memiliki sistem, prosedur yang lebih baik dalam mengelola kualitas dan layanan.

Testimoni dan Referensi:

• • Cari ulasan dan testimoni dari pelanggan lain. Anda juga bisa meminta referensi langsung dari supplier, berbicara dengan pelanggan mereka untuk mendapatkan gambaran tentang reputasi juga keandalan supplier.

3. Keandalan Pengiriman

Ketepatan Waktu:

• • Pastikan supplier memiliki catatan yang baik dalam hal ketepatan waktu pengiriman. Keterlambatan dalam pengiriman bisa mempengaruhi operasional bisnis Anda.

Fleksibilitas Pengiriman:

• • Pilih supplier dibasic yang menawarkan fleksibilitas dalam pengiriman, termasuk opsi pengiriman darurat.

4. Harga Dibasic Ester  yang Kompetitif

Perbandingan Harga:

• • Bandingkan harga dari beberapa supplier. Namun, jangan hanya memilih berdasarkan harga terendah. Pertimbangkan juga kualitas produk dan layanan.

Kebijakan Pembayaran:

• • Perhatikan syarat dan ketentuan pembayaran. Supplier yang baik akan memiliki kebijakan pembayaran yang jelas, adil.

5. Layanan Pelanggan

Responsif dan Kooperatif:

• • Pastikan supplier dibasic memiliki tim layanan pelanggan responsif dan kooperatif. Mereka harus mudah dan siap membantu Anda dengan pertanyaan atau masalah mungkin timbul.

Dukungan Teknis:

• • Pilih supplier dibasic menyediakan dukungan teknis. Hal ini sangat penting jika Anda memerlukan bantuan dalam penggunaan produk atau jika ada masalah teknis.

6. Kepatuhan Terhadap Regulasi

Regulasi & Kepatuhan:

• • Pastikan supplier mematuhi semua regulasi, standar yang berlaku di Indonesia. Ini termasuk peraturan lingkungan, keselamatan kerja, peraturan lainnya yang relevan.

7. Kemampuan Produksi & Kapasitas Dibasic Ester

Kapasitas Produksi:

• • Periksa apakah supplier memiliki kapasitas produksi yang cukup untuk memenuhi kebutuhan Anda. Ini penting terutama jika Anda memerlukan pasokan dalam jumlah besar atau jika ada peningkatan permintaan.

Infrastruktur dan Teknologi:

• • Pastikan supplier memiliki fasilitas produksi modern, menggunakan teknologi terbaru untuk memastikan kualitas, efisiensi produksi.

8. Keberlanjutan & Tanggung Jawab Sosial

Keberlanjutan:

• • Pilih supplier yang memiliki komitmen terhadap praktik bisnis yang berkelanjutan & ramah lingkungan. Ini termasuk penggunaan bahan baku terbarukan, pengelolaan limbah yang baik.

Tanggung Jawab Sosial:

• • Periksa apakah supplier terlibat dalam inisiatif tanggung jawab sosial perusahaan (CSR), mendukung komunitas lokal.

Kesimpulan

Memilih supplier dibasic ester terbaik di Indonesia memerlukan penelitian cermat serta pertimbangan berbagai faktor. Dengan memperhatikan kualitas produk, reputasi, keandalan pengiriman, harga, layanan pelanggan, kepatuhan terhadap regulasi, kapasitas produksi, serta keberlanjutan juga tanggung jawab sosial, Anda dapat menemukan supplier dapat memenuhi kebutuhan bisnis Anda dengan baik. Pastikan untuk melakukan komunikasi yang baik dengan calon supplier dan jangan ragu untuk mengajukan pertanyaan relevan untuk memastikan bahwa Anda membuat keputusan tepat.

The post Dibasic Ester appeared first on Samiraschem.

What is the Dibasic ester used for

1. Industrial Solvent

DBE are highly effective solvents used in numerous industrial processes. Their solvent properties make them suitable for:

• Paints and Coatings: DBEs are used in paint removers, graffiti removers, and coatings to dissolve and strip away unwanted layers.
• Cleaning Agents: They are employed in industrial cleaning agents and degreasers, especially for cleaning metal parts and machinery due to their ability to dissolve grease, oils, and other contaminants.

2. Resin and Polymer Production

DBEs serve as intermediates in the production of various resins and polymers. They are used in the manufacture of:

• Polyesters: They act as intermediates in the synthesis of polyester resins.
• Polyamides: DBEs are involved in the production of polyamides, which are used in the production of plastics and fibers.

3. Plasticizers

DBEs are used as plasticizers in the production of flexible plastics. Plasticizers are added to plastics to increase their flexibility, workability, and durability. DBEs are valued for their efficiency and compatibility with various polymers.

4. Agricultural Chemicals

In agriculture, DBEs are utilized in the formulation of various agrochemicals, including pesticides and herbicides. They help in the efficient delivery and application of these chemicals by acting as solvents.

5. Pharmaceuticals and Cosmetics

In the pharmaceutical and cosmetics industries, DBEs are used in:

• Pharmaceutical Formulations: They serve as solvents and intermediates in the synthesis of active pharmaceutical ingredients (APIs).
• Cosmetic Products: DBEs are included in formulations of skincare and personal care products due to their solvent properties and relatively low toxicity.

6. Adhesives and Sealants

DBEs are incorporated into adhesives and sealants used in various applications, including construction and automotive industries. They help improve the performance and durability of these products.

7. Lubricants and Metalworking Fluids

In the automotive and manufacturing industries, DBEs are used in the formulation of lubricants and metalworking fluids. They enhance the performance of these fluids by providing excellent solvency and reducing friction.

8. Printing Inks

DBEs are used as solvents in the production of printing inks, particularly in flexographic and gravure printing processes. They help achieve the desired viscosity and drying properties in inks.

Advantages of Dibasic Esters

• Biodegradability: DBEs are more environmentally friendly compared to many traditional solvents because they are biodegradable.
• Low Toxicity: DBEs have relatively low toxicity, making them safer to handle and use in various applications.
• High Solvency: DBEs possess excellent solvent properties, allowing them to dissolve a wide range of substances effectively.

Conclusion ( What is the Dibasic ester used for )

Dibasic esters are versatile chemicals with a broad range of industrial applications. Their unique properties, including high solvency, biodegradability, and low toxicity, make them valuable in many sectors, from industrial cleaning and coatings to pharmaceuticals and cosmetics. As industries continue to seek safer and more environmentally friendly alternatives to traditional solvents, the use of dibasic esters is likely to grow.

The post What is the Dibasic ester used for appeared first on Samiraschem.

Dibasic Ester Chemicals Compatibility

1. Solvents:
   • Alcohols: Methanol, ethanol, isopropanol.
   • Ketones: Acetone, methyl ethyl ketone (MEK).
   • Esters: Ethyl acetate, butyl acetate.
   • Aromatic Hydrocarbons: Toluene, xylene.
2. Resins and Polymers:
   • Epoxy Resins: DBEs can dissolve and act as curing agents for epoxy resins.
   • Polyesters: Compatible with unsaturated polyester resins, often used in fiberglass production.
   • Acrylics: Used in acrylic resin formulations and coatings.
   • Polyurethanes: Can be used as solvents or plasticizers in polyurethane coatings and adhesives.
3. Plasticizers and Additives:
   • Phthalates: Often used with DBEs in plasticizer formulations.
   • Non-Phthalates: Citrates, adipates, and other plasticizers.

Incompatible Chemicals

1. Strong Oxidizers:
   • Peroxides: Hydrogen peroxide.
   • Chlorine: Chlorine gas, bleach.
   • Nitric Acid: Strongly oxidizing acids can react with DBEs.
2. Strong Bases:
   • Sodium Hydroxide: Strong bases can cause ester hydrolysis, breaking down DBEs into their acid and alcohol components.
   • Potassium Hydroxide: Similar hydrolytic reaction as sodium hydroxide.
3. Strong Acids:
   • Sulfuric Acid: Can lead to ester hydrolysis and degradation.
   • Hydrochloric Acid: Strong acids can hydrolyze esters.

Material Compatibility (Dibasic Ester Chemicals Compatibility)

1. Metals:
   • Stainless Steel: Generally compatible and often used in storage and handling equipment.
   • Aluminum: Generally compatible, but prolonged exposure might cause slight corrosion.
   • Copper and Brass: Can cause corrosion over long-term exposure.
2. Plastics:
   • Polyethylene (PE): Generally compatible and used for containers and liners.
   • Polypropylene (PP): Compatible for storage and handling.
   • Polyvinyl Chloride (PVC): Can be used but may soften with prolonged exposure.
   • Teflon (PTFE): Highly compatible and resistant to chemical interaction.
3. Elastomers:
   • Buna-N (Nitrile Rubber): Generally compatible, used in seals and gaskets.
   • Viton (Fluorocarbon Rubber): Highly compatible, suitable for high-performance applications.
   • EPDM (Ethylene Propylene Diene Monomer): Compatible for various sealing applications.

Summary

DBEs are versatile solvents with broad chemical compatibility, making them suitable for use with a variety of solvents, resins, polymers, and materials. However, they should be kept away from strong oxidizers, strong bases, and strong acids to prevent decomposition or hazardous reactions. For specific applications, always refer to material safety data sheets (MSDS) and consult with chemical compatibility charts to ensure safe and effective use.

The post Dibasic Ester Chemicals Compatibility appeared first on Samiraschem.

1. Dimethyl Adipate (DMA): CAS No. 627-93-0
2. Dimethyl Glutarate (DMG): CAS No. 1119-40-0
3. Dimethyl Succinate (DMS): CAS No. 106-65-0

When these esters are combined to form a typical of mixture, the mixture itself may be referred to by a specific CAS number, often used in industrial contexts:

• Dibasic Ester (DBE) Mixture: CAS No. 95481-62-2

This CAS number represents the common mixture used in various industrial applications, including solvents, coatings, and cleaning agents.

The post Dibasic Ester Cas Number appeared first on Samiraschem.

1. Dimethyl Adipate (DMA): Approximately 214°C (417°F)
2. Dimethyl Glutarate (DMG): Approximately 216°C (421°F)
3. Dimethyl Succinate (DMS): Approximately 196°C (385°F)

These values can serve as a general reference, but the boiling point might slightly vary depending on the purity and specific formulation of the esters. For precise information, it’s always best to refer to the material safety data sheet (MSDS) or product specifications provided by the manufacturer.

The post Dibasic Ester Boiling Point appeared first on Samiraschem.

Dibasic Ester Application

1. Paints and Coatings:
   • Solvents: DBEs are used as solvents in paints and coatings to improve flow and leveling properties.
   • Coalescing Agents: They help in the formation of a uniform film during the drying process.
2. Adhesives and Sealants:
   • Solvent-Based Adhesives: DBEs are used to dissolve and disperse adhesives, ensuring even application.
   • Sealant Formulations: They enhance the properties of sealants, improving flexibility and adhesion.
3. Polymer and Resin Production:
   • Plasticizers: DBEs are used to increase the flexibility and workability of polymers and resins.
   • Polyester Resins: They act as intermediates in the synthesis of polyester resins used in fiberglass and coatings.
4. Cleaning Agents:
   • Industrial Cleaners: DBEs are effective in removing paints, coatings, and adhesives due to their solvency power.
   • Paint Strippers: They are used in formulations for stripping paint from surfaces without causing significant harm to the substrate.
5. Personal Care Products:
   • Cosmetics: DBEs are used as solvents and emollients in cosmetics and personal care products.
   • Fragrance Carriers: They help in dissolving and delivering fragrances in various formulations.
6. Agriculture:
   • Pesticide Formulations: DBEs are used as carriers and solvents in the formulation of pesticides and herbicides.
7. Automotive:
   • Automotive Coatings: DBEs are used in coatings and paints for automotive applications, providing durability and aesthetic appeal.
   • Lubricants: They are used in synthetic lubricants and grease formulations.
8. Electronics:
   • Cleaning and Degreasing: DBEs are used to clean electronic components and assemblies, removing flux residues and contaminants.

Advantages of Dibasic Ester Application

• Low Toxicity: DBEs have relatively low toxicity, making them safer for workers and the environment.
• Biodegradability: They are biodegradable, reducing environmental impact.
• High Solvency Power: DBEs can dissolve a wide range of substances, making them effective in various applications.
• Low Volatility: They have low volatility, which helps in reducing emissions and improving safety.

These properties and applications make dibasic esters valuable in a wide range of industries, contributing to their popularity as multifunctional solvents.

The post Dibasic Ester Application appeared first on Samiraschem.

Dibasic Ester Structure

One of the common examples of dBE is the mixture of esters of adipic, glutaric, and succinic acids. Here’s a structural representation of the components:

Adipic Acid Ester (e.g., Dimethyl Adipate)

Adipic-acid-ester refers to the ester derivative of adipic acid. Adipic acid is a dicarboxylic acid with the formula HOOC-(CH2)4-COOHHOOC-(CH2​)4​-COOH. When esterified, it forms esters, typically with alcohols. The most common adipic acid ester is dimethyl adipate, formed by the esterification of adipic acid with methanol.

Glutaric Acid Ester (e.g., Dimethyl Glutarate)

Glutaric acid ester refers to the ester derivative of glutaric acid, which is a dicarboxylic acid with the formula HOOC-(CH2)3-COOHHOOC-(CH2​)3​-COOH. When esterified, it forms esters, typically with alcohols. The most common glutaric acid ester is dimethyl glutarate, formed by the esterification of glutaric acid with methanol.

Succinic Acid Ester (e.g., Dimethyl Succinate)

Succinic acid ester refers to the ester derivative of succinic acid, which is a dicarboxylic acid with the formula HOOC-(CH2)2-COOHHOOC-(CH2​)2​-COOH. When esterified, it forms esters, typically with alcohols. The most common succinic acid ester is dimethyl succinate, formed by the esterification of succinic acid with methanol.

In these Dibasic Ester Structure :

• The O=C-O- groups are the ester linkages.
• The (CH2)n groups represent the aliphatic chains of the dicarboxylic acids, with n varying depending on the specific acid.

Dibasic esters are valued for their biodegradability and low toxicity, making them suitable for environmentally friendly solvent applications.

The post Dibasic Ester Structure appeared first on Samiraschem.

Chemical Properties

1. Chemical Formula: Dibasic esters are typically a mixture of dimethyl esters of adipic, glutaric, and succinic acids.
2. Molecular Weight: Varies based on composition, typically around 160-200 g/mol.

Physical Properties

1. Appearance: Clear, colorless to slightly yellow liquid.
2. Odor: Mild, fruity odor.
3. Density: 1.05 to 1.10 g/cm³ at 25°C (77°F).
4. Refractive Index: 1.415 to 1.425 at 20°C (68°F).
5. Boiling Point: Typically in the range of 190°C to 225°C (374°F to 437°F), depending on the specific mixture.
6. Melting Point: Generally low, around -20°C to -30°C (-4°F to -22°F).
7. Flash Point: Approximately 100°C to 110°C (212°F to 230°F).
8. Viscosity: Low to moderate, around 2 to 4 centipoises at 25°C (77°F).

Solubility

1. Water Solubility: Slightly soluble in water.
2. Solubility in Other Solvents: Miscible with most organic solvents, such as alcohols, ketones, and hydrocarbons.

Environmental and Safety

1. Biodegradability: Readily biodegradable.
2. Toxicity: Low toxicity; however, prolonged exposure may cause irritation.
3. Safety: Generally considered to be of low hazard, but proper handling and storage are necessary to avoid skin and eye contact.

Applications

1. Solvents: Used in paints, coatings, inks, and adhesives due to their excellent solvency and low volatility.
2. Plasticizers: Act as plasticizers in various polymer formulations.
3. Cleaning Agents: Utilized in industrial cleaning applications for their effective degreasing properties.
4. Chemical Intermediates: Used in the synthesis of other chemicals and materials.

Advantages

1. Low Volatility: Reduces exposure to harmful vapors.
2. Good Solvency: Effective at dissolving a wide range of materials.
3. Biodegradability: Environmentally friendly compared to many other solvents.
4. Low Toxicity: Safer for use in various applications.

These properties make dibasic esters versatile and valuable in many industrial and commercial applications.

The post Dibasic Ester Properties appeared first on Samiraschem.

1. Invista: They are one of the major producers of dibasic esters and offer them under the brand name “DBE.”
2. Solvay: Solvay provides dibasic esters under the product name “Rhodiasolv.”
3. Ascend Performance Materials: They produce and supply dibasic esters and related products.
4. Radici Group: Known for producing a range of chemical intermediates, including dibasic esters.
5. Chemoxy International: A supplier of dibasic esters and other solvents.
6. Eastman Chemical Company: They supply a variety of specialty chemicals, including dibasic esters.
7. BASF: As one of the largest chemical producers in the world, BASF also supplies dibasic esters.

For the most accurate and current supplier information, contacting these companies directly or checking their official websites would be beneficial. Additionally, local chemical distributors might also carry dibasic esters and could provide more localized service and support.

The post Suppliers of Dibasic Ester appeared first on Samiraschem.

The post Dibasic Ester HS Code appeared first on Samiraschem.