I. Physical property: The product is a colorless, transparent and volatile liquid.
II. Quality index: GB/T3405-2011
|
Item |
Quality index |
Test method |
|
Petrobenzene-535 |
Petrobenzene-545 |
|
Appearance |
Transparent liquid, without insoluble water and mechanical impurities |
Visual inspection |
|
Color (Platinum-cobalt colority), no darker than |
20 |
20 |
GB/T3143
ASTM D1209 |
|
Purity (mass fraction) / percent, no less than |
99.8 |
99.90 |
ASTM D4492 |
|
Toluene (mass fraction)/percent, no larger than |
0.10 |
0.05 |
ASTM D4492 |
|
Non-aromatic hydrocarbon (mass fraction) /％, no larger than |
0.15 |
0.10 |
ASTM D4492 |
|
Thiophene /(mg/kg), no larger than |
Report
|
0.6
|
ASTM D1685
ASTM D4735 |
|
Acid washing colorimetric analysis |
The color of the acid layer is no darker than the standard solution of 0.20g potassium bichromate in 1000ml dilute acid. |
The color of the acid layer is no darker than the standard solution of 0.10g potassium bichromate in 1000ml dilute acid. |
GB/T2012 |
|
Total sulfur content /(mg/kg), no larger than |
2
|
1 |
SH/T0253
SH/T0689 |
|
Bromine index /(mg/100g) |
—
|
20 |
SH/T0630
SH/T1551
SH/T1767 |
|
Crystallization point (dry basis)/℃, no lower than |
5.35 |
5.45 |
GB/T3145 |
|
1,4-dioxane (mass fraction) /percent |
Decided by the Supplier and the Demander through consultation |
ASTM D4492 |
|
Chlorine content /(mg/kg) |
Decided by the Supplier and the Demander through consultation |
SH/T0657
ASTM D6069 |
|
Water content /(mg/kg) |
Decided by the Supplier and the Demander through consultation |
SH/T0246
ASTM E1064 |
|
Density (20℃)/(kg/m3) |
Report |
GB/T2013
SH/T0604 |
|
Neutralization test |
Neutral |
GB/T1816 |
III. Application: Benzene is one of the most important organic chemical raw materials and widely used as raw material for synthetic resin, plastic, synthetic fiber, rubber, detergent and dye. Benzene is used as a solvent and blending agent for increasing gasoline octane number in the oil refining industry.
IV. Storage: Canned
V. Storage and transportation: Benzene belongs to a hazardous article and is transported directly with automobile hazardous article storage tanks to protect it from fires, vibrations, rain and snow.
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