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