Dimyristyl Peroxydicarbonate (MYPC, CAS 53220-22-7), a high-efficiency ​​low-temperature initiator​​, is critical for optimizing vinyl chloride polymerization and acrylic resin synthesis. With the molecular formula ​​C₃₀H₅₈O₆​​ and molecular weight of ​​514.8 g/mol​​, this organic peroxide enables precise control over polymer molecular weight distribution while reducing energy consumption and defects in industrial-scale production

​Technical Specifications & Physicochemical Properties​​

​​Parameter​​

​​Value​​

​​Physical State​​

White crystalline powder (95–99% purity)

​​Melting Point​​

Decomposes at 55°C

​​Density​​

0.947 g/cm³

​​Solubility​​

Insoluble in water; soluble in acetone, hydrocarbons

​​Theoretical Active Oxygen​​

3.11%

​​UN Transport Class​​

UN 3116 (Type D organic peroxide)

Critical Safety Parameters​​:

​​Self-Accelerating Decomposition Temperature (SADT)​​: 35°C

​​Half-Life (t₁/₂)​​: 10h at 48°C, 1h at 65°C, 0.1h at 84°C

​​Storage Stability​​: ≤3 months below 15°C; ​​alarm threshold​​: 25°C

Industrial Applications Driving Demand​​

​​1. PVC Production​​

As a ​​primary initiator​​, MYPC enables:

​​Energy-Efficient Polymerization​​: Operates at 40–65°C (vs. 70–90°C for traditional peroxides), cutting energy costs by 30% .

​​Co-initiator Synergy​​: Compatible with LPO, CUPD, and TMPD for tailored reaction rates .

​​2. Acrylic & Specialty Polymers​​

​​Methyl Methacrylate (MMA)​​: Achieves >95% conversion with polydispersity (Đ) <2.0 .

​​UV-Curable Coatings​​: Enhances crosslinking density in optical-grade resins for LED encapsulants .

​​Safety Protocols: Non-Negotiable Handling Rules​​

MYPC’s ​​low SADT (35°C)​​ mandates stringent protocols:

​​Storage​​: ≤15°C in sealed containers; isolate from acids, metals, and reducing agents .

​​PPE Requirements​​: Butyl rubber gloves + full-face shields for solid handling .

​​Emergency Response​​:

​​Fire​​: Use alcohol-resistant foam—​​water jets trigger explosive decomposition​​ .

​​Spills​​: Absorb with inert materials (vermiculite/sand); store in ventilated plastic containers .

⚠️ ​​Regulatory Compliance​​:

GHS Classification: Type D peroxide (H242: heating may cause fire) .

Transport Restrictions: Banned in air/rail transport; road shipping requires temperature-controlled vehicles .

Future Innovations & Sustainability Trends​​

​​Bio-Based Stabilizers​​: Replacing synthetic dispersants with starch derivatives to reduce aquatic toxicity (patent pending, 2026) .

​​Solid-State Formulations​​: Nanoclay additives to extend shelf life at 20°C (pilot phase) .

​​Circular Economy Integration​​: Recycling decomposition byproducts (e.g., tetradecanol) into surfactant production