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Tert-Butyl hydroperoxide CAS No.:75-91-2 Initiator
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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.
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