Aromatic Solvents
Liquid, volatile and with a characteristic smell. Not soluble with water and it is used to mix with other organic solvents or alcohols.
Requires high safety measures since it is extremely inflammable.
Benzene
Technical Information
It is used in the manufacture of Cyclohexane, Benzene and Mixed Xylenes.
| Features | Method | Units | Specification | |
| ASTM | Minimun | Maximun | ||
| Acidity | D 847 | Pass | ||
| Appearance | (1) | Pass | ||
| Platinum-Cobalt Scale Color | D 1209 | 20 | ||
| Acid Wash Color | D 848 | 2 | ||
| Sulfur Compounds | D 853 (2) | Pass | ||
| Corrosion Copper Foil | D 849 (3) | Pass | ||
| Chromatography | UOP 555 (4) | |||
| Benzene Content | %Mass | 99.85 | ||
| Non-Aromatic Content | %Mass | 0.15 | ||
| Relative density at 15.6 ºC | D 4052 | 0.882 | 0.886 | |
| Density at 20 ºC | D 4052 | g/cm3 | 0.878 | 0.882 |
| Distillation | D 850 | |||
| Distillation Range | ºC (ºF) | 1 (32.8) | ||
| Included Temperature | ºC (ºF) | 80.1(176.2) | ||
| Solidification Point | D 852 | ºC (ºF) | 4.85(40.7) | |
| Thiophene | D 1685 | mg/kg | ||
| (1) Clear liquid free of sediment or opacity between 18.3 and 25.6ºC. (2)(2) H2S and SO2 free; qualitative analysis. (3)(3) 30 Minute at temperature slightly below initial boiling point (PIE). (4) Alternative method for the determination of Benzene ASTM D 2360. |
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Toluene
Technical Information
It is used as a solvent in the manufacture of paints, resins, thinners and inks. It serves as a raw material for the manufacture of benzene and can replace it in certain formulations.
| Features | Method | Units | Specification | |
| ASTM | Mínimo | Máximo | ||
| Acidity | D 847 | Pass | ||
| Appearance | (1) | Pass | ||
| Platinum-Cobalt Scale Color | D 1209 | 20 | ||
| Acid Wash Color | D 848 | 2 | ||
| Sulfuro Compounds | D 853 (2) | Pass | ||
| Corrosion to Copper, 30 minutes at 100ºC | D 849 | Pass | ||
| Chromatography | D 2360 | |||
| Non-Aromatic Content | %Vol | 1.5 | ||
| Relative Density at 15.6 ºC | D 4052 | g/cm3 | 0.869 | 0.873 |
| Density at 20 ºC | D 4052 | g/cm3 | 0.878 | 0.882 |
| Distillation | D 850 | |||
| Distillation Range | ºC (ºF) | 1 (33.8) | ||
| Included Temperature | ºC (ºF) | 110.6 (231) | ||
| (1) Clear liquid free of sediment or opacity between 18.3 and 25.6ºC. (2) H2S and SO2 free; qualitative analysis. |
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MIXED XYLENES
Technical Information
They are widely used as solvents in the manufacture of paints, as a vehicle in the insecticide industry, and in the manufacture of various types of thinner. Due to their solvency power they can replace benzene in certain formulations.
| Features | Method | Units | Specification | |
| ASTM | Minimun | Maximun | ||
| Acidity | D 847 | Pass | ||
| Appearance | (1) | Pass | ||
| Platinum-Cobalt Scale Color | D 1209 | 20 | ||
| Acid Wash Color | D 848 | 6 | ||
| Sulfuro Compounds | D 853 (2) | Pass | ||
| Corrosion to Copper, 30 minutes at 100ºC | D 849 | Pass | ||
| Chromatography | D 2360 | 0.5 | ||
| Non-Aromatic Content | %Mass | 0.875 | ||
| Relative Density at 15.6 ºC | D 4052 | 0.865 | 0.872 | |
| Density at 20 ºC | D 4052 | g/cm3 | 0.862 | |
| Distillation | D 850 | 143 (289.4) | ||
| Initial Boiling Point (PEI) | ºC (ºF) | 137 (278.6) | 1 (33.8) | |
| Dry Point | ºC (ºF) | |||
| (5)(1) Clear liquid free of sediment or opacity between 18.3 and 25.6ºC. (2) H2S and SO2 free; qualitative analysis. |
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CYCLOHEXANE
Technical Information
It is used as a raw material for the production of caprolactam and in the production of adipic acid, which in turn is a raw material for the manufacture of nylon.
| Features | Methd | Units | Specification | |
| ASTM | Minimun | Maximun | ||
| Sulfur | UOP 357(1) | mg/kg | 2 | |
| Saybolt Color | D 156 | + 30 | ||
| Chromatography | D 3054(2) | |||
| Cyclohexane | %mass | 99.75 | ||
| n-Heptane | mg/kg | 100 | ||
| Aromatic | mg/kg | 1000 | ||
| Methyl-Cyclohexane | mg/kg | 200 | ||
| Naphthenes other than Cyclohexane | mg/kg | 1000 | ||
| Aliphatic C6+ | mg/kg | 1000 | ||
| Relative Density at 15.6 ºC | D 4052 | 0.783 | 0.784 | |
| Distillation | D 1078 | |||
| Initial Boiling Point (PEI) | ºC (ºF) | 80.3 (176.5) | ||
| Dry Point | ºC (ºF) | 81.3 (178.3) | ||
| Phenols | UOP 464 | mg/kg | 1 | |
| Non-Volatile Material | D 1353 | g/100ml | 0.001 | |
| Solidification Point | D 1493 | ºC (ºF) | 6(62.24) | |
| (1) Alternate Methods: ASTM D 4294, D 2622, D 1266. (2) Alternate Method: UOP 555. |
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