1.PRODUCT DESCRIPTION 
| Chemical name | 2,5-Dimethyl-2,5-Bis(Tert.butylperoxy)hexane,liquid | 
| CAS No. | 78-63-7 | 
| Molecular formula/weight | C16H34O4=290.4 | 
| Theoretical active oxygen | 11.02% | 
2.SPECIFICATION 
| Assay | 95% min. | 
| Color(Hazen) | 60 max. | 
3.CHARACTERISTICS 
| Form/Color | Light yellow,transparent liquid | 
| Density(d420) | 0.870-0.875 g/cm3 | 
| Melting point | 8℃ | 
| Flash point(closed cup) | 80℃ | 
| Refractive index(nD20) | 1.420-1.425 | 
| Half time(10hr/1hr/1min) | 118℃/138℃/177℃ | 
| Critical temperature(SADT) | 80℃ | 
| Active energy | 36.0kcal/mole | 
| Solubility | Soluble in alcohol, esters, ethers, olefins and most of organic solvents. Insoluble in water. | 
4.PACKAGING/STORAGE/ TRANSPORT 
It packed in 20/25 kg net UN-proved PE drums.
Due to the relatively unstable nature of organic peroxides,a loss of quality will occur over a period of time. So organic peroxides should be stored sufficiently cool in the closed container, away from sources of ignition and heat and not in direct sunlight.A separate,well-ventilated storage room is essential,and for large quantities a separate storage building should be used. For this material,the recommended storage temperature is 10-30℃. .
According to the regulation of IMO,it is classified as Organic peroxide D,Liquid IMDG class:5.2, UN#: 3103,
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