（CAS No.:75-91-2）Tert-Butyl hydroperoxide CAS NO.75-91-2

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Tert-Butyl hydroperoxide

TBHP
。Product description
　tert-Butyl hydroperoxide
　70% solution in water
　Molecular weight : 90.1
　Theoretical active Oxygen content : 17.75%
　CAS No. : 75-91-2

。Specification 
　Appearance : Clear colorless liquid
　Assay : 69.0-71.0%
　active Oxygen content : 12.25-12.6%
　Color : 40 Pt-Co max.
　Fe+++: 5ppm max

。Physical properties
　Density, 25℃ : 935 kg/m³
　Viscosity, 20℃ : 4.1 mPa.s
 。Half life data 
　The reactivity of an organic peroxide is usually given by its half life (t1/2) at various 
　temperatures. For TBHP in chlorobenzene:
　t　　　 0.1 hr 　　　　　1 hr 　　　　10 hr
　at 　　　207℃ 　　 　　185℃　　  　164℃

。Major decomposition products
　Methane, Acetone, tert-Butanol
。Storage 
　TBHP Ts max.= 40℃ and
　Ts min. = 0℃ to prevent freezing
。Packaging and transport
　The standard packaging is a 25-liter HDPE can for 20 kg peroxide solution or a 220-liter HDPE drum for 190 kg peroxide solution. Delivery in a 1250 l stainless steel Intermediate Bulk Container is also possible in a number of countries. Both packaging and transport meet the international regulations.
　TBHP is classified as Organic peroxide type F, liquid; Division 5.2; UN 3109; PG II.

。Application 
　TBHP can be used as an initiator in bulk, aqueous solution and emulsion polymerization of styrene, acrylates and methacrylates.
　The curing of styrene-polyester resins.
　The use as an oxidizing agent for hydrocarbons or other chemicals.