CAS No.
3457-61-2
TSCA Status
listedon inventory
Active oxygen content peroxide
7.68%
EINECS/ELINCS No.
222-389-8
Molecular weight
208.3
Concentration
7.22-7.37%
TBCP is a monofunctional peroxidewhich is used for the crosslinking of natural rubber and synthetic rubbers, as well as polyolefins. Safe processing temperature: 135°C (rheometer ts2 > 20
min.). Typical crosslinking temperature: 175°C (rheometer t90 about 12 min.).
Applications
TBCP can be used for the marketsegments: polymer crosslinking and acrylics productin withtheir different applications/functions. For more information please check our
website and/or contact us.
Half-life data
The reactivity of an organicperoxide is usually given by its half-life (t1/2) at various temperatures. For
TBCP T in chlorobenzene half-life at other temperatures can be calculated by
using the equations and constants mentioned below:
0.1 hr at159°C (318°F)
1 hr at136°C (277°F)
10 hr at115°C (239°F)
Formula 1 kd = A·e-Ea/RT
Formula 2 t½ = (ln2)/kd
Ea 146.98kJ/mole
A 1.17E+15s-1
R 8.3142J/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 80°C
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 of Tests and Criteria - United Nations, NewYork and Geneva).
Storage
Dueto the relatively unstable nature 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 storagetemperature (Ts max. ) for each organic peroxide product.
Tsmax. 40°C (104°F)
Tsmin. 16°C (61°F)
Note When stored under strictly recommended storageconditions, TBCP will
remain within the Do Sender Chemspecifications for a period of at least 12 monthsafter delivery.
Packaging and transport
20 kgpolyethylene packaging
TBCPis classified as Organic peroxide type F; liquid, Division 5.2; UN 3109.
Major decomposition products
Acetone,Methane, 2-Phenylisopropanol, tert-Butanol, Acetophenone
TBCP
Appearance:
Light yellow Transparent liquid
Content:
98% min
Available oxygen:
8.07% min
TBHP：
1000mg/kg
Inorganic & organic hydrolyzable chloride:
50mg/kg