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Physical and Chemical Properties: colorless transparent
liquid easily to get volatized, fragrant and toxic;
density 0.879g/ml,boiling point 80.1 ,
melting point 5.51,flash
point -11(close-cup),
autoignition point 562.2,
explosion limit 1.3-7.1%, its maximum density permitted
in the air is 25ppm, belonging to 1st level flammable
liquid.
Main Ingredient: benzene
Molecular Formula: C6H6
| Structural Formula: |
 |
Molecular Weight: 78.11
Up to GB/T 2283-93
Quality Standards
| Item |
Excellent |
Grade
1 |
Grade
2 |
Grade
3 |
| Appearance |
Transparent liquid
under room temperature (18-25),
not deeper than the color of 1,000ml of aqueous
solution containing 1.003g heavy potassium chromate. |
| Density (20),g/ml |
0.876-0.880 |
0.876-0.880 |
0.875-0.880 |
0.874-0.880 |
| Distillation Range (atmospheric
pressure 101.325kpa)temperature range(include 80.1),
not more than |
0.7 |
0.8 |
0.9 |
1.0 |
| Acid pickling color matching
(compared with standard colorimetric solution),
not deeper than |
0.15 |
0.20 |
0.30 |
0.40 |
| Bromine value, g/100ml benzene
not more than |
0.06 |
0.15 |
0.30 |
0.40 |
| Crystallizing Point,
not less than |
5.2 |
5.0 |
4.9 |
- |
| Carbib Busulfide, g/100ml benzene,
not more than |
0.005 |
0.006 |
- |
- |
| Thiophene, g/100ml benzene,
not more than |
0.04 |
0.06 |
- |
- |
| Neutralisation Test |
Neutral |
| Moisture |
No
insoluble water measured with eyes under room temperature
(18-25) |
| Copper Corrosion Test not deeper
than |
No.1(change color
slightly) |
- |
- |
- |
Uses: the raw material for dyes, plastics, synthetic
rubber, resin, fibers, medicament. It can also be used
as power fuel as well as the solvent for coatings, rubber,
glue, etc..
Packing: iron drum 160kg, or delivered in tank wagon
of automobile or train.
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