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General
Information
Isobutylene is a colorless, flammable,
liquified gas with a detectable gas odor. Can be a simple asphyxiant.
Technical Information
| CAS number | 115-11-7 |
| Molecular weight | 56.11 |
| Specific volume | 6.7cf/lb. |
| CGA valve | 510 |
| Lecture bottle valve | 180/110 |
Shipping Information
| Proper shipping name | Isobutylene |
| DOT Class | 2.1 |
| UN number | 1055 |
| DOT label | Flammable Gas |
| Purity | Cylinder Size | Volume | Pressure |
| (@70°F) | |||
| Lecture bottle | 0.4 lbs. | 24.3 | |
| L04 | 12 lbs. | 24.3 | |
| L20 | 25 lbs. | 24.3 | |
| 110 | 126 lbs. | 24.3 | |
| 99.3% | 454 | 530 lbs. | 24.3 |
Product Specifications
| Assay: | 99.0% | 99.7% |
| Impurities: | ||
| Propylene | <250 | <50 |
| Isobutane | <2500 | <500 |
| 1-Butene | <750 | <500 |
| N-Butane | <2500 | <500 |
| Cis-2-Butene | <500 | <300 |
| Pentanes | <500 | <150 |
| Moisture | <25 | <7 |
| Sulfur | <1 | <0.5 |
Liquid Phase
All impurities
listed measured in PPM.
All products here are sold on the basis of total impurities.
Impurities may vary slightly. Customer is contacted if specific impurity is
higher than typical.
All measurements are ppm weight unless otherwise stated.