Aromatic Hydrocarbons
PETROLEUM BENZENE is produced in accordance with GOST 9572–93 “Petroleum benzene. Specifications” and is intended for usage as raw material for production of synthetic fibers and rubbers, plastics, colorants and other organic synthesis products:
| No. | Property | Petroleum benzene | |
|---|---|---|---|
| extra pure | pure | ||
| 1 | Appearance and color | Transparent liquid, without impurities and water, not darker than solution of 0.003g of К2 Cr2 O7 / 1 dm3 of water | |
| 2 | Density at 20 °C, g/cm3 | 0.878–0.880 | 0.878–0.880 |
| 3 | Freezing point, °C, min | 5.40 | |
| 4 | Main product,% wt., min | 99.9 | 99.8 |
| 5 | Impurities,%wt., max: n‑heptane methylcyclohexane+toluene methylcyclopentane toluene | 0.01 0.05 0.02 ‑ |
0.06 0.09 0.04 0.03 |
| 6 | Sulfuric acid color, standard scale number, max | 0.1 | |
| 7 | Total sulfur,% wt., max | 0.00005 | 0.00010 |
| 8 | Water extract reaction | neutral | |
PPETROLEUM ORTHOXYLENE is produced in accordance with по TU (Technical specifications) BY300042199.015–2010 “Petroleum orthoxylene. Specifications.” and is intended to be used as paints and varnishes solvents and for phthalic anhydride production:
| No. | Property | Petroleum orthoxylene |
|---|---|---|
| 1 | Appearance | Transparent liquid, without impurities and water |
| 2 | Color, Pt‑Co scale units, max | 10 |
| 3 | Main product (orthoxylene),% wt., min | 98.5 |
| 4 | Xylenes (blend of isomers: ortho‑, meta‑, paraxylene),% wt., min | 99.0 |
| 5 |
Impurities (nonaromatic and aromatic hydrocarbons (except xylenes)),% wt., max including: — styrene — cumene, max |
1.0 none 0.1 |
| 6 | Density at 20 °C, kg/m3, min | 860 |
| 7 | Bromine number, g Br / 100 cm3 of product, max | 0.18 |
| 8 | Closed cup flash point, °C, min | 24 |
PPETROLEUM PARAXYLENE is produced in accordance with TU 38.101255–87 “Petroleum paraxylene. Specifications” and is intended to be used for the needs of national economy:
| No. | Property | Petroleum paraxylene Extra pure |
|---|---|---|
| 1 | Appearance and color | Transparent liquid, without impurities and water, not darker than solution of 0.003g of K2 Cr2 O2 / 1 dm3 of water |
| 2 | Density at 20 °C, g/cm3, within range | 0.860–0.862 |
| 3 |
Distillation: 5 % — 95 % recovered within temperature range, °C, max |
0.4 |
| 4 | Content of main product,% wt., min | 99.5 |
| 5 | Freezing point, °C, min | 13.0 |
| 6 | Bromine number, g Br / 100 cm3 of paraxylene, max | 0.12 |
PPETROLEUM TOLUENE is produced in accordance with GOST 14710–78 “Petroleum toluene. Specifications” and is intended to be used for the needs of national economy as organic synthesis raw material, high-octane additives to engine fuels, and as a solvent:
| No. | Property | Petroleum toluene | |
|---|---|---|---|
| Premium grade | First grade | ||
| 1 | Appearance and color | Transparent liquid, without impurities and water, not darker than solution of K2 Cr2 O2 0.003 g/dm3 | |
| 2 | Density at 20 °C, g/cm3 | 0.865–0.867 | 0.864–0.867 |
| 3 | Boiling range 98 % vol. (including pure toluene boiling point 110.6 °C) °C, max | 0.7 | 0.8 |
| 4 | Toluene,% wt., min | 99.75 | 99.6 |
| 5 |
Impurities,% wt., max: nonaromatic hydrocarbons benzene С8 aromatic hydrocarbons |
0.25 0.10 0.10 0.05 |
0.4 0.20 0.15 0.05 |
| 6 | Sulfuric acid color, standard scale number, max | 0.15 | 0.20 |
| 7 | Copper strip corrosion test | passes | |
| 8 | Water extract reaction | neutral | |
| 9 | Evaporability | evaporates without residue | |
| 10 | Total sulfur mass fraction,%, max | 0.00015 | ‑ |