Products
Isobutylene Derivatives
Within our isobutylene derivatives business, TPC prides itself on its customer focus as we play a key role as a merchant manufacturer and supplier to the market. TPC Group is one of only three North American manufacturers of high purity isobutylene (HPIB) and the only manufacturer of high purity di-isobutylene (DIB) in the Western Hemisphere.
We manufacture HPIB and DIB at our Houston operations for supply into a variety of market applications that include butyl rubber, lube and fuel additives, antioxidants, paints and coatings, personal care products and more.
SpecificationsHigh Purity Isobutylene: General Sales
| COMPONENT | UNITS | MIN | MAX | TEST METHOD | COA |
|---|---|---|---|---|---|
| ISOBUTYLENE | WT % | 99.8 | - | TPC HPIB-001 | * |
| BUTENE-1 plus BUTENE-2 | WT % | - | 0.15 | TPC HPIB-001 | * |
| 1, 3-BUTADIENE | WT % | - | 0.10 | TPC HPIB-001 | * |
| BUTANES | WT % | - | 0.15 | TPC HPIB-001 | * |
| PROPANE | WT % | - | 0.05 | TPC HPIB-001 | * |
| PROPYLENE | WT % | - | 0.05 | TPC HPIB-001 | * |
| WATER | PPM WT | - | 50 | TPC C4-012 | * |
| TOTAL ACETYLENES (MA+EA+VA) | PPM WT | - | 10 | TPC C4-004 | * |
| CARBONYLS as Acetaldehyde | PPM WT | - | 50 | TPC C4-008 | * |
| SULFUR | PPM WT | - | 5 | TPC C4-011 | * |
| OXYGENATES (MTBE, MEOH, TBA) | PPM WT | - | 50 | TPC C4-007 | * |
Diisobutylene: General Sales
| COMPONENT | UNITS | MIN | MAX | TEST METHOD | COA |
|---|---|---|---|---|---|
| DIISOBUTYLENE ASSAY (Dimer 1 + Dimer 2) | WT % | 98.50 | - | TPC DIB-001 | * |
| INHIBITOR (BHT) | PPM WT | 50 | 100 | TPC DIB-002 | * |
| SPECIFIC GRAVITY (60F/60F) | 0.718 | 0.722 | ASTM D-891 | * | |
| SULFUR | PPM WT | - | 10 | TPC C4-011 | * |
| COLOR | APHA | - | 25 | TPC MISC-001 | * |
| TBA | PPM WT | - | 50 | TPC DIB-001 | |
| APPEARANCE | CLEAR & FREE OF ENTRAINED MATTER | * | |||
MSDS
» High Purity Isobutylene MSDS (PDF)
» High Purity Di-isobutylene MSDS (PDF)
For more information on how we can meet your needs, please contact us at 713.627.7474.
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Petrochemical Education
The World War I era stimulated the development of the petrochemical industry, with the British extracting benzene and toluene from petroleum.
Resource: NPRA ![]()


