Divinylbenzene(DVB)

CAS No.: 1321-74-0
Name: Divinylbenzene (DVB) ;1,2-Divinylbenzene,
DVB is mainly used in producing Ion Exchange Resin by polymerizing with styrene,it can also be used in reformation of Polyester Resin Polystyrene Resin and in production of various special High Polymerization Resin Solids.
 
1.Specification :

SPECIFICATION
ITEM
DVB49
DVB53
DVB56
DVB63
TEST METHOD
APPEARANCE
colorless or light yellow transparent liquid
EYE TEST
DVB WT%
49-53
53-56
56-63
63 min.
SH/T1485.2
DEB WT%
8 max.
5 max.
4 max.
3 max.
SH/T1485.2
EVB
BALANCE
SH/T1485.2
M-DVB/P-DVB
2.2- 2.6 : 1
SH/T1485.2
NAPHTHALENE WT%
0.5 max.
SH/T1485.3
TBC PPM
900-1100
SH/T1485.4

2.Package:
Packed with zinc-plated iron barrel
Net weight is 180kg/barrel; Gross weight is 202kg/barrel
3.Storage and transportation:
must be storaged in the temparature under 25'C and It should be transported with Refrigerated Container in Summer in order to avoid self-polymerization .(Valid for two months).
DVB is flammable dangerous product which should be kept far from Oxidant¡¢fire and high heat place. The barrels should be avoided bumping against each other or being exposed in strong sunlight . In the storage period,the TBC in DVB will reduce gradually ,it must be added if TBC content is less than 500ppm.
4.Physical and chemical property:
molecular formula:C10H10; C6H4(CH=CH2)2
molecular weight:130.19;
melting point('C): - 87;
boiling point('C):198-204
relative density: 0.918
flash point('C): 74;
spontaneous combustion point('C): 450
dissolubility:It can dissolve in alcohol benzene carbon tetrachloride and many other organic solvent , not dissolve in water.
5.Caution:TBC must be removed with lye or anion Exchange Resin before being used.