Chinese name纯苯
Chemical FormulaC6H6
Characteristic PointColorless transparency is volatile
Boiling Point 80.1 ℃
Usage：
Petroleum Benzene is basic chemical raw materials, mainly used for producing styrene,cyclohexane, phenol, aniline, Nitrobenzene, synthetic detergent, pesticide and can be solvent of painting and pesticide.
Attention：
Flammable and Explosive.
It should be stored in a segregated and approved area. Avoid all possible sources of ignition (spark, flame or oxidizing materials ). Keep container in a cool, well-ventilated area. Read Regulations and MSDS carefully before handling.
| Item | Unit | Specs | Test Method | |
|---|---|---|---|---|
| Petroleum Benzene-535 | Petroleum Benzene-545 | |||
| Appearance | — | transparent | Visualization | |
| Platinum cobalt hue | — | ≤20 | ≤10 | GB/T 3143 ASTM D 1209b |
| Purity | wt% | ≥99.80 | ≥99.9 | ASTM D 4492 |
| Methylbenzene | wt% | ≤0.10 | ≤0.05 | ASTM D 4492 |
| Non aromatic hydrocarbons | wt% | ≤0.15 | ≤0.1 | ASTM D 4492 |
| Thiophene | mg/kg | See Report | 0.6 | ASTM D 1685 ASTM D 4735c |
| Acid colorimetric | — | Acid-layer color is not darker than 0.2 g potassium | Acid-layer color is not darker than 0.1 g | GB/T 2012 |
| Total Sulfur | mg/kg | ≤2 | ≤1 | SH/T 0689 SH/T 0253d |
| Bromine Index | mgBr/100g | — | 20 | SH/T 0630 SH/T 1550c SH/T 1767 |
| Crystallization point dry | ℃ | ≤5.35 | ≤5.45 | GB/T 3145 |
| Dioxane | wt% | As required | ASTM D 4492 | |
| Nitrogen | mg/kg | As required | ASTM D 6069 | |
| Water | mg/kg | As required | ASTM E 1064 | |
| Density 20℃ | kg/m³ | See Report | GB/T 1884 GB/T 1885 | |
| Neutralisation test | Neutral | GB/T 1816 |
脚注：
a: Pour the sample into 100ml glass cylinder, observe in temperature of (20±3)℃, sample should be transparent liquid without impurities. If controversy exists, GB/T 511 should be applied and test result should be none.
b: When controversy exists, ASTM D 1209 should be arbitration test.
c: When controversy exists, ASTM D 4735 should be arbitration test.
d: When controversy exists, SH/T0253 should be arbitration test.
e: When controversy exists, SH/T1551 should be arbitration test.
