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Dimethyl benzene/Xylene

Name：Dimethyl benzene/Xylene

CAS 106-42-3

Appearance：Liquid

Product Detail

Product Description：

Colorless oily liquid with an aromatic odor. Freezing point -30.6ºC, boiling point 145.2ºC, relative density 0.9051 (20/4ºC), refractive index (nD20) 1.5467, flash point (open cup) 31.11ºC, spontaneous combustion point 490ºC, viscosity (20ºC) 0.763mPa·s. Slightly soluble in water, soluble in ethanol, ether, methanol, acetone and carbon disulfide. It is easy to polymerize when exposed to heat or light or air, and can cause an explosion due to rising temperature during polymerization. Explosive limit 1.1-6.1 (volume). Hydroquinone or tert-butylcatechol (2-20ppm) is often added to commodities as a stabilizer to delay its.Ethylbenzene as raw material, in the presence of T-315 platinum catalyst with iron trioxide (or aluminum) as the main catalyst, at 550-560ºC temperature, dehydrogenation to produce styrene and then by distillation, purified more than 99.5 fine styrene.

ITEM	SPECIFICATION
PRODUCT NAME	STYRENE
MOLECULAR WEIGHT	104.15
APPEARANCE	COLORLESS LIQUID.
STORAGE	STORE AT ≤20°C.
STORAGE	STORE AT ≤20°C.
PACKAGE	25Kg/Drum
SAMPLE	Available

Product specification:

Commodity	Styrene	Standard	GB3915-1998
Appearance	Transparent liquid,no mechanical impurities and free water	Qualified	Visual
Purity,%(m/m)	≥99.8	99.88	GB/T12688.1-2011
Polymer,mg/kg	≤10	2	GB/T12688.3-2011
Peroxide, mg/kg	≤50	10	GB/T12688.4-2011
Aldehyde(asbenzaldehyde) %(mg/kg)	≤100	30	GB/T12688.5-2011
Chromaticity/Hazen,(Pt Co)	≤10	10	GB/T 605-2006
Ethylbenzene %	≤0.08	0.023	GB/T12688.1-2011
Inhibitor(TBC),mg/kg	10-15	15.0	GB/T12688.8-2011

Product Applications :

1. Mainly used as raw materials of polystyrene, synthetic rubber, engineering plastics, ion exchange resin, etc.

2. Use as a monomer of synthetic rubber and plastic, used to produce styrene-butadiene rubber, polystyrene, foam polystyrene;

3. Also used for copolymerization with other monomers to manufacture engineering plastics for a variety of different uses.

4. Used for organic synthesis and resin synthesis purposes for preparation of copper plating brightener, leveling and brightening effect;

5. Can be used for table food, cake food, seasoning, dessert Chemicalbook, snacks, all kinds of cans, candy. All kinds of drinks, especially yoghurt, lactobacillus drinks, carbonated drinks and other acidic drinks; 6. Use of electron microscope analysis, organic synthesis.

Product Packing:

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