Physical and Chemical Properties: colorless transparent
liquid easily to be volatized, fragrant and toxic. Density
(20 )0.866g/ml,
boiling point 110.6 ,
melting point -95 ,
flash point 4.44 (close),
autoignition point 480 ,
explosion limit 1.27-7%. It is 1st level flammable liquid.
Main Ingredient: toluene
Molecular Formula: C7H8
Structural Formula |
 |
Molecular Weight: 92.14
Up to GB/T2284-93
Quality Standards:
Item |
Excellent |
Grade 1 |
Grade
2 |
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 |
0.863-0.868 |
0.861-0.868 |
0.860-0.870 |
Temperature range of distillation
range (atmospheric pressure 101.325kpa)(including
80.1 ),
not more than |
0.7 |
0.9 |
2.0 |
Acid pickling color matching (compared
with standard colorimetric solution), not deeper
than |
0.15 |
0.20 |
0.30 |
Bromine value, g/100ml methyl benzene
not more than |
0.1 |
0.2 |
0.3 |
Neutralization 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 materials for making dyes, medicine,
explosive, saccharin, etc..
Packing: iron drum 160kg, or delivered in tank wagon
of automobiles or trains.
|