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Tert-Butyl Peroxybenzoate (TBPB)

TBPB; Perbenzoic Acid, tert-butyl Ester; t-Butyl Peroxybenzoate; tert-Butyl Benzenecarboperoxoate

CAS 614-45-9

Chemical Formula C11H14O3

Molecular Weight 194.23 g/mol

Tert-Butyl Peroxybenzoate (TBPB) is an aromatic organic peroxide widely used as a free radical initiator in the polymer and plastics industry. It functions as a high-efficiency crosslinking and curing agent for unsaturated polyester resins, acrylic resins, and silicone rubbers. TBPB is valued for its thermal stability and consistent reactivity at elevated temperatures. It is used in molding, laminating, and extrusion processes where controlled curing is essential.

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Industrial Uses

1. Performance Chemicals

Initiator in Polymer Manufacturing: Used to initiate free radical polymerization in the production of plastics and resins. Provides uniform and controlled curing for unsaturated polyester and vinyl ester resins. Commonly applied in fiberglass-reinforced plastic (FRP) components and composite molding.
Crosslinking Agent in Silicone Rubber and Acrylics: Serves as a high-temperature curing catalyst in heat-curable elastomers and acrylic polymers. Promotes consistent crosslinking for improved mechanical properties and thermal resistance. Suitable for applications requiring dimensional stability and high heat performance.

2. Constructions

Laminates and Molded Composite Structures: Used in the manufacture of structural panels, doors, sanitary ware, and construction profiles. Improves strength, surface finish, and durability of resin-based molded components. Preferred in thermal curing cycles for building-grade fiberglass-reinforced parts.

3. Paints, Coatings & Adhesive

Resin Curing Additive in Coating Formulations: Utilized in thermoset resin coatings for marine, automotive, and architectural applications. Enhances hardness, adhesion, and chemical resistance in finished coating films. Ensures complete polymerization under controlled temperature curing systems.

Specifications

Assay	≥ 98.0%
Appearance	Clear to pale yellow liquid
Odor	Aromatic, slightly pungent
Boiling Point	153 °C (decomposes)
Melting Point	< −20 °C
Density	1.06 g/cm³ at 20 °C
Solubility	Soluble in organic solvents; insoluble in water
Viscosity	8–12 mPa·s at 25 °C
Flash Point	93 °C (closed cup)

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FAQs

1. What is the current price of Tert-Butyl Peroxybenzoate (TBPB) in India?
The price of Tert-Butyl Peroxybenzoate (TBPB) can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.6301 00 6301 directly for a customized quote tailored to your needs.

2. Where can I buy Tert-Butyl Peroxybenzoate (TBPB) in India?
You can purchase Tert-Butyl Peroxybenzoate (TBPB) from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments global markets. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Tert-Butyl Peroxybenzoate (TBPB)?
Our minimum order quantity (MOQ) for Tert-Butyl Peroxybenzoate (TBPB) is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 200 kg.

4. How can I ensure the quality of Tert-Butyl Peroxybenzoate (TBPB) supplied by Multichem?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.