Nouryon Laurox Dilauroyl Peroxide LPO 105-74-8

Product Name:Laurox

Chemical Name: Dilauroyl Peroxide

  • CAS Number: 105-74-8
  • EINECS/ELINCS number: 203-326-3
  • TSCA Status: Listed on the list
  • molecular mass: 398.6 g/mol
  • Active oxygen content: 4.01%


  • exterior condition: White powder without any pollution
  • purity: ≥ 99.0 %
  • Particle size: > 1 mm ≤ 5 %, > 2 mm – %
  • Bulk density: 460 kg/m³
  • Melting point: 54 °C


Polymerization of vinyl chloride
  • temperature range: 60-80°C
  • effect: Used as an initiator for suspension and bulk polymerization of vinyl chloride
  • With the use of: Can be used with other highly active peroxides (such as peroxydicarbonates Perkadox 16) are used in combination to improve the reactivity
polymerization of vinyl
  • effect: Used as an initiator for high pressure ethylene polymerization
  • caveat: Due to its low solubility in most aliphatic solvents, it is often treated with bis(3,5,5-trimethylacetyl)peroxide (Trigonox 36)replace
  • vantage: Can be stored at room temperature
Acrylate and methacrylate polymerization
  • temperature range: 60-90°C
  • effect: Used as an initiator for the polymerization of methacrylates
  • Common substitutes: 2,2′-azobisisobutyronitrile (Perkadox AIBN

Thermosetting composite materials

  • effect: Used as an initiator to cure acrylic solid surfaces at elevated temperatures

Half-life data

  • Half-life in chlorobenzene:
    • 0.1 hour at 99°C
    • 1 hour at 79°C
    • 10 hours at 61°C
  • formula:
    • kd = A·e-Ea/RT
    • t½ = (ln2)/kd
    • Ea = 123.37 kJ/mole
    • A = 3.92E+14 s⁻¹
    • R = 8.3142 J/mole·K
    • T = (273.15+°C) K

thermal stability

  • Self-accelerating decomposition temperature (SADT)Temperature: 50°C
  • methodologies: Based on the "Recommendations on the Transport of Dangerous Goods - Manual of Tests and Criteria"


  • Maximum storage temperature: 30°C
  • Quality assurance period: At least 3 months (under recommended conditions)

Packaging and transportation

  • Standard Packaging: 25 kg cardboard box
  • Transport Classification: Organic peroxide, class D, solid, class 5.2, UN 3106

Security and handling

  • Storage and handling recommendations: Keep container tightly closed in a dry, well-ventilated place away from heat, ignition sources and direct sunlight. Avoid contact with reducing agents, acids, alkalis and heavy metal compounds.

Main decomposition products

  • Carbon dioxide, docosane, undecane, undecyl dodecanoate

We offer our products for sale in mainland China (in compliance withRegulations on the Administration of Internet Sales of Hazardous Chemicals ) and some of the products of the global export services, providing dangerous goods packaging containers, "outbound dangerous goods transportation packaging use identification results list", "outbound cargo inspection and quarantine" and other export procedures.
We have experience in exporting hazardous chemicals, including Class 5.2 Dangerous Goods with Cold Chain Transportation Products, Class 3 Dangerous Goods and Class 9 Dangerous Goods, etc., and have exported to the United States of America, Russia, Turkey, India, Ukraine and other countries.

Lauroyl peroxide LPO 105-74-8

Dilauroyl peroxide Trade name: initiator LPO English name: Dilauroyl peroxide Chemical name: Dilauroyl peroxide Chemical structure formula: Molecular formula: C24H46O4 molecular weight: 398.6 Theoretical reactive oxygen content: 4.01% CAS: 105-74-8 Einecs: 203-326-3 Main decomposition products CO2, laurate Safety Indicators: Half-life (measured in chlorobenzene solution): 0.1 hr: 99°C 1 hr: 79°C 10 hr: 61°C Thermal Stability Data: Self-Accelerating Decomposition Temperature (SADT)

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Luperox® LP Lauroyl peroxide is one of two environmentally controlled temperature peroxides with a very fast half-life marketed worldwide by Arkema (the other is Luperox® A75 benzoyl peroxide powder). Dilauroyl peroxide can be used for PVC production in suspension or micro-suspension processes. While it is permissible to ship Luperox® LP Dilauroyl Peroxide at ambient temperature, storage at 40°F is recommended to maintain quality.

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Enox LPO-98 Dilauroyl peroxide 105-74-8

Chemical Name Dilauroyl Peroxide CAS-No: 105-74-8 C24H46O4=398.6 Introduction: Enox® LPO-98 is a white powdery solid, a diacyl organic peroxide. It is used for the (co-)polymerization of styrene, ethylene, vinyl chloride, acrylates and methacrylates. Safety data Self-accelerated decomposition temperature (SADT): 50 ℃ United Nations No. (UN-No): 3106 China Hazardous Chemical No. (CN-No): 52044 Physical and chemical properties State: solid Theoretical reactive oxygen content: 4.01% Main quality indicators Appearance

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