CAS No.
614-45-9
TSCA Status
listedon inventory
EINECS/ELINCS No.
210-382-2
Molecular weight
194.2
Active oxygen content peroxide
8.24%
In the temperature range of 100-170°C, TBPB can be used as an initiator for the
solution polymerization or copolymerization of acrylate and methacrylate,
especially for the production of coatings. TBPB can also be used as initiator for bulk and suspensionpolymerization or copolymerization of acrylate and methacrylate.
Applications
TBPBcan be used for the market segments: polymer production, polymer crosslinking,
thermoset composites and acrylics production with their different
applications/functions. For more information please check our website and/or
contact us.
Half-life data
Thereactivity of an organic peroxide is usually given by its half-life (t½) at
various temperatures. TBPB in chlorobenzene half-life at other temperatures can
be calculated by using the equations and constants mentioned below:
0.1 hr at 142°C (288°F)
1 hr at 122°C (252°F)
10 hr at 103°C (217°F)
Formula1 kd = A·e-Ea/RT
Formula2 t½ = (ln2)/kd
Ea 151.59 kJ/mole
A 2.23E+16 s-1
R 8.3142 J/mole·K
T (273.15+°C) K
Thermal stability
Organic peroxides are thermallyunstable substances, which may undergo self-accelerating decomposition. The
lowest temperature at which self-accelerating decomposition of a substance in
the original packaging may occur is the Self-Accelerating Decomposition
Temperature (SADT). The SADT is determined on the basis of the Heat
Accumulation Storage Test.
SADT 60°C (140°F)
Method The Heat Accumulation Storage Test is arecognized test method for the determinationof the SADT of organic peroxides (see Recommendations on the Transport of Dangerous Goods, Manual ofTests and Criteria - United Nations, NewYork and Geneva).
Storage
Due to the relatively unstablenature of organic peroxides a loss of quality can be detected over a period of
time. To minimize the loss of quality, Do Sender Chem recommends a maximum
storage temperature (Ts max. ) for each organic peroxide product.
TsMax. 25°C (77°F)
TsMin. 10°C (50°F) *
Note to prevent crystallization. When storedunder the recommended storage conditions, Do Sender Chem will remain withinthe specifications for a period of at least 3 months after delivery.
Storage Packaging and transport
25 kgpolyethylene packaging
TBPBis classified as Organic peroxide type C; liquid; Division 5.2; UN 3103.
Major decomposition products
Carbondioxide, Acetone, Methane, tert-Butanol, Benzoic acid, Benzene
TBPB
Content %
Min 98
Chroma
Max 80
TBHP %
Max 0.2
Water%
Max 0.2
Cl- %
Max 0.01
Acid %
Max 0.1
Refractive index
1.495-1.505