C2H6-Ethane(R170)
Formula:C4H10
CAS No.: 75-28-5
EINECS No.: 200-857-2
UN No.: UN1969
Purity: 99%-99.999%
Dot Class: 2.1 flammable
Isobutane, also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula HC(CH₃)₃. It is an isomer of butane. Isobutane is a colorless, odorless gas. It is the simplest alkane with a tertiary carbon atom.
1.Calibration work and filling of thermobulbs in instruments such as temperature and pressure gauges
2.Intermediate in the manufacturing of aviation fuel
3.Manufacturing of organic compounds
4.Propellant for aerosol cans and foam products
5.Part of blended fuels, especially in fuel canisters used for camping
| GRADE 2 | GRADE 2.5 | GRADE 3 | GRADE 3.5 | GRADE 4 | GRADE 4.5 | |
| Purity | 99.00% | 99.50% | 99.90% | 99.95% | 99.99% | 100.00% |
| Nitrogen | < 800 ppmv | < 400 ppmv | < 160 ppmv | < 20 ppmv | < 20 ppmv | < 10 ppmv |
| Oxygen | < 200 ppmv | < 100 ppmv | < 40 ppmv | < 5 ppmv | < 5 ppmv | < 2 ppmv |
| Other Hydrocarbons | < 9000 ppmv | < 4900 ppmv | < 1000 ppmv | < 500 ppmv | < 90 ppmv | < 45 ppmv |
| Sulfur | < 1 ppmv | < 1 ppmv | < 1 ppmv | < 1 ppmv | < 1 ppmv | < 1 ppmv |
| Moisture | < 10 ppmv | < 5 ppmv | < 4 ppmv | < 3 ppmv | < 2 ppmv | < 2 ppmv |
| Total Impurities | < 1 % | < 5000 ppmv | < 1000 ppmv | < 500 ppmv | < 100 ppmv | < 50 ppmv |
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