Pool Chemicals Polyquats 31075-24-8 25988-97-0 Sodium Borohydride Dimethyl Disulfide
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GreatAp Chem.--BLD
Ms. Brany Dw
Tel: 86-316-2098955 18630626679
Fax: 86-316-2098956
MSN:   brany_dw@hotmail.com
Skype:  brany_dw
Email:sales@grechembld.com
               technical@grechembld.com

Option for who is interested in Polyquats
PolyQuats Int’l LLC(US)
Ms. Yao Wang 
E-mail:  polyquats@gmail.com
Tel: 1 (973) 873 8678

1,2,4,5-Benzene Tetracarboxylic Dianhydride (PMDA; Pyromellitic Dianhydride)

1,2,4,5-Benzene Tetracarboxylic Dianhydride (PMDA; Pyromellitic Dianhydride)

Cas No. :  89-32-7
M.F. : C10H2O6
Mol.wt :218.12
Structure :
Specs.

Items
Standard
Appearance
White powder
Purity by weight %
≥99.50
M.P.( ℃)
284-287
Moisture %
≤ 0.5
Ash %
≤ 0.1

Application: It is mainly used as raw material of polyimide, solidifying agent fo epoxide resin, cross linker of alkyl, vinyl and polyester resin, stabilizer and plasticizing agent of urea formaldehyde resin, also can be used in manufacturing phthalocyanine blue dye, alkyd paint, water-solubility paint and anticorrosive paint, heat rsisting lubricating oil, and etc.
Usual Packing :25 Kg net drum.


 
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