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Cumene CAS 98-82-8
Cumene CAS 98-82-8, also known as cumene, is an organic compound, chemical formula C9H12, colorless liquid, insoluble in water, soluble in ethanol, ether, benzene, carbon tetrachloride, acetone and other organic solvents, mainly used as a solvent, can also be used in organic synthesis.
1. It is mainly used for the production of phenol and acetone, and can also be used as an additive to improve the octane number of fuel oil, a synthetic fragrance and a raw material for polymerization initiator
2. Used as a standard material for chromatographic analysis, and also for organic synthesis
3. Isopropyl benzene is an important intermediate used in the manufacture of phenol and is also an intermediate of the herbicide isopropylon.
4. Most of the isopropylbenzene (more than 98%) is used in the production of phenol and acetone, and a small part is used to improve the octane number of olefinic oil additives, synthetic flavors, polymerization reaction initiators, etc.
5. Solvent. Standard for gas chromatographic analysis. Organic synthesis.
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| Molecular Formula | C9H12 |
| Molar Mass | 120.19 |
| Density | 0.864g/mLat 25°C(lit.) |
| Melting Point | −96°C(lit.) |
| Boling Point | 152-154°C(lit.) |
| Flash Point | 115°F |
| Water Solubility | Soluble in alcohol, ether, acetone, benzene, carbon tetrachloride. Insoluble in water. |
| Solubility | 0.05g/l |
| Vapor Presure | 8 mm Hg ( 20 °C) |
| Vapor Density | 4.1 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless |
| Odor | Strong, slightly irritant; fragrant; aromatic. |
| Exposure Limit | Flammable liquid; flash point (closed cup)36°C (97°F) (NFPA 1986), 39°C (102°F)(Merck 1996), 35.5°C (96°F) (Meyer 1989);vapor pressure 8 torr at 20°C (68°F); vapordensity 4.1 (air=1); the vapor is hea |
| Merck | 14,2617 |
| BRN | 1236613 |
| pKa | >14 (Schwarzenbach et al., 1993) |
| Storage Condition | 2-8°C |
| Stability | Stable, but may form peroxides in storage if in contact with the air. Test for the presence of peroxides before heating or distilling. Combustible. Incompatible with strong oxidizing agents. |
| Explosive Limit | 0.8-6.0%(V) |
| Refractive Index | n20/D 1.491(lit.) |
| Physical and Chemical Properties | Character: colorless liquid. melting point -96 ℃ boiling point 152~154 ℃ relative density 0.8618 refractive index 1.4915 flash point 35 ℃ solubility insoluble in water, soluble in ethanol, ether, benzene and carbon tetrachloride. |
| Use | Additives used as raw materials for organic synthesis and to improve the octane number of engine fuels |
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