8.43861 EMD Millipore

Lauroyl peroxide

Lauroyl peroxide for synthesis. CAS 105-74-8, molar mass 398.63 g/mol., for synthesis

  • CAS Number 105-74-8

  • Linear Formula C₂₄H₄₆O₄

  • Molecular Weight 398.63 g/mol

  •  EC Number 203-326-3



Related Categories Biochemicals and Reagents More...
packaging   100 g in Glass bottle (8438610100)
density   0.91 g/cm3 (20 °C)
autoignition temp.   112 °C
mp   49 °C
LD 50 oral   LD50 Rat 10000 mg/kg
shipped in   ambient
storage temp.   Store at +15°C to +25°C.
specifications   Assay (iodometric): ≥ 98.0 %
  Identity (IR): passes test

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Safety Information

HS Code 
2915 90 70
Hazard Statement(s) 
H242: Heating may cause a fire.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
Storage class 
5.2 Organic peroxides and self-reacting hazardous materials
WGK 1 slightly water endangering
Organic peroxides can be detected in aqueous solutions or organic solvents using the Perex-Test® (Cat. No. 116206). Pure peroxides are diluted to min. 10% in a suitable solvent or with water and added in small portions, with temperature control, to iron(II) chloride (Cat. No. 103860) solution. Test for complete reaction with the Perex-Test® (Cat. No. 116206). Container D. Explosive substances (storage class 4.1A) should be packed separately and tightly sealed for disposal. Ensure sufficient phlegmatization by water or the stated phlegmatizing agent!
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Symbols 
Oxidising  Oxidising
Declaration (railroad and road) ADR, RID 
UN 3106 , 5.2,
Declaration (transport by air) IATA-DGR 
UN 3106 , 5.2,
Declaration (transport by sea) IMDG-Code 
UN 3106 , 5.2,
Categories of danger 
R Phrase 
R 7
May cause fire.
S Phrase 
S 3/7-14-36/37/39
Keep container tightly closed in a cool place.Keep away from reducing agents, heavy-metal compounds, acids and alkalis.Wear suitable protective clothing, gloves and eye/face protection.
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