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Benzene

Colorless transparent liquid, volatile, aromatic, toxic, explosion limit 1.3-7.1%, maximum permissible concentration in air is 25ppm.

Keywords:

Benzene

Classification:

Benzene hydrogenation

Inquiry:

+86-0393-5929881

Inquiry

Product Description

Physical and chemical properties

Colorless transparent liquid, volatile, aromatic, toxic, explosion limit 1.3-7.1%, maximum permissible concentration in air is 25ppm.

Raw materials

Crude benzene, consisting mainly of benzene, toluene and xylene, and containing a large variety of other impurities such as cyclohexane and thiophene in small amounts.

Uses

It is the raw material of dye, plastic, synthetic rubber, resin, fiber, medicine, etc. It can also be used as power fuel and solvent of paint, rubber and glue.

Quality standards

GB/T 2283-2019

Indicator Name	Indicators
	Superior quality	First Class		Qualified Products
Appearance	Clear liquid, no visible impurities
Color (platinum-cobalt) not darker than	20#
Density（20℃）/(g/cm3)	0.878-0.881		0.878-0.881		0.876-0.881
Benzene content (mass fraction)/% Not less than	99.93		99.90		99.60
Content of toluene (mass fraction)/% No greater than	0.03		0.05		-
Content of non-aromatic hydrocarbons (mass fraction)/% No greater than	0.05		0.10		-
Crystallization point/℃ Not less than	5.45		5.45		5.20
Acid wash colorimetric (according to standard colorimetric solution) Not deeper than	0.05		0.05		0.10
Bromine price/(g/100mL) No greater than	0.03		0.03		0.06
Thiophene/(mg/Kg) No greater than	0.1		0.3		0.5
Total Sulfur/(mg/Kg) No greater than	0.5		1.0		-
Neutral test	Neutral
Moisture	No visible insoluble water under visual inspection at room temperature (18℃～25℃)