Title: DTBP
CAS Registry Number: 110-05-4
CAS Name: Bis(1,1-Dimethylethyl) peroxide
Additional Names: di-tert-butyl peroxide
Molecular Formula: C8H18O2
Molecular Weight: 146.23
Percent Composition: C 65.71%, H 12.41%, O 21.88%
Line Formula: (CH3)3COOC(CH3)3
Properties: Flammable liq; d420 0.7940; mp -40°; bp284 80°; nD20 1.3890. Flash pt (Tag open cup) 65°F (18°C). Soluble in organic solvents, in most resin monomers and in partial polymers. Soly in water about 0.01%.
Melting point: mp -40°
Boiling point: bp284 80°
Flash point: Flash pt (Tag open cup) 65°F (18°C)
Index of refraction: nD20 1.3890
Density: d420 0.7940
Use: As polymerization catalyst.
D-Threose Dulcin Duloxetine DuPHOS Durapatite

Di-tert-butyl peroxide
Chemical structure of di-tert-butyl peroxide
Ball-and-stick model
CAS number 110-05-4 YesY
PubChem 8033
ChemSpider 7742 YesY
Jmol-3D images Image 1
Molecular formula C8H18O2
Molar mass 146.23 g mol−1
Density 0.704 g/cm³
Melting point −40 °C; −40 °F; 233 K
Boiling point 109 to 111 °C; 228 to 232 °F; 382 to 384 K
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Di-tert-butyl peroxide or DTBP is an organic compound consisting of a peroxide group flanked by two tert-butyl groups. It is amongst the most stable organic peroxides. The peroxide bond undergoes homolysis at temperatures >100 °C, and for this reason di-tert-butyl peroxide is commonly used as a radical initiator in organic synthesis and polymer chemistry.

This compound will decompose aerobically and also anaerobically, making it a very interesting fuel source.

Decomposition reaction:

(CH3)3COOC(CH3)3 (g) → C2H6 (g) + 2 (CH3)2CO (g)

Two Canadian scientists, H. O. Pritchard and P. Q. E. Clothier, have demonstrated and suggested the use of DTBP in engines where oxygen is limited, since it will work whether or not oxygen is present.[1]