Perodox® 131 - tert-Amylperoxy 2-ethylhexyl carbonate

The CAS registry number is 70833-40-8

The molecular formula is C14H28O4

Commercial TAEC typically has a purity of 99% or higher

It is primarily used as a free-radical initiator in polymerization reactions

TAEC begins to decompose at temperatures above 50°C, with significant decomposition occurring at higher temperatures

TAEC has very low water solubility, ranging from 212.5 to 900,000 μg/L at 20°C

The density is 0.931 g/mL at 25°C

Wear appropriate personal protective equipment, avoid heat and ignition sources, and ensure adequate ventilation

Yes, TAEC can be used in emulsion polymerization systems with proper formulation

The half-life varies with specific conditions but is typically several minutes at 100°C.

Store in a cool, well-ventilated area away from incompatible materials at temperatures not exceeding 30°C

The flash point is reported as 64°C or 118°C,depending on the testing method.

Decomposition primarily yields carbon oxides and hydrocarbons

TAEC is typically stored in original containers; compatibility with specific plastics should be verified.

The vapor pressure is 93 Pa at 20°C

This depends on regional regulations; appropriate approvals must be obtained for specific applications.

The refractive index n20/D is 1.432

TAEC is shipped as UN 3105, Organic peroxide type D, in approved containers

The active oxygen content is approximately 6.15% based on molecular structure

Yes, TAEC is effective for crosslinking various polyolefins including polyethylene.

Typical concentrations range from 0.01% to 2.0% depending on the specific application.

Decomposition rate increases exponentially with temperature according to Arrhenius kinetics.

The ten-hour half-life temperature is typically around 70-80°C

TAEC is not particularly shock-sensitive but should be handled with care to avoid contamination.

TAEC is primarily a thermal initiator and has limited application in UV-curing systems.

When stored below 30°C, TAEC typically has a shelf life of 6-12 months.

Quality control typically uses HPLC or GC methods to assess purity and active oxygen content.

Wear chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact

With proper purification and validation, TAEC can be used in medical-grade polymers.

The boiling point is 290°C

TAEC offers a balance of stability and reactivity suitable for medium-temperature processes.

The autoignition temperature is not well documented but is estimated to be above 200°C

With proper surfactants and stabilizers, TAEC can be used in some water-based systems.

The molecular weight is 260.37 g/mol

Absorb with inert material, avoid ignition sources, and dispose of as hazardous waste

TAEC is neutral and does not significantly affect pH when dissolved in organic solvents.

Distillation is not recommended due to thermal instability; alternative purification methods are preferred.

The oxygen balance is approximately -215% based on the molecular formula

Higher concentrations may lead to more rapid decomposition once initiation occurs.

The heat of decomposition is approximately 1000-1500 J/g based on similar organic peroxides.

Yes, TAEC is suitable for high-pressure processes like LDPE production.

TAEC is soluble in most organic solvents including hydrocarbons, esters, and chlorinated solvents.

Purity is typically determined by HPLC with UV detection or by iodometric titration.

The critical temperature is not well documented but is estimated to be above 400°C.

Yes, TAEC can be used in initiator systems with complementary decomposition temperatures.

TAEC is a low-viscosity liquid, typically 5-20 mPa·s at 25°C.

TAEC is effective in both homopolymerization and copolymerization reactions.

The specific heat capacity is estimated to be 1.5-2.0 J/g·K based on similar compounds.

Yes, TAEC can initiate graft polymerization onto various polymer backbones.

Thermal conductivity is approximately 0.15 W/m·K, typical for organic liquids.

TAEC can help produce polymers with controlled molecular weight and distribution when used properly.

The Henry's Law constant is estimated to be 10-100 Pa·m³/mol based on vapor pressure.

Solubility and compatibility with specific ionic liquids should be determined experimentally.

The diffusion coefficient varies with polymer type and temperature but is typically 10⁻⁹ to 10⁻¹¹ cm²/s.

Unreacted TAEC and decomposition products are typically removed by devolatilization or extraction

The Hansen parameters are estimated as δD ≈ 17, δP ≈ 3, δH ≈ 5 MPa¹/².

TAEC has limited solubility in supercritical CO2; specialized initiators may be preferred.

TAEC is not electrochemically stable and may decompose under applied potentials.