Trimellitic anhydride (TMA) is an important organic chemical product mainly used to produce PVC resin plasticizers, polyimide resin, water-soluble alkyd resins, epoxy resin curing agents, dipping agents for low-pressure and pulse power capacitors, cine films, water treatment agents and surfactants.
CAS NO.: 552-30-7
HS Code: 2917399090
Molecular formula: C9H4O5
Appearance: white flaky
Melting point: 165-168
Solubility: soluble in hot water, acetone, ethyl acetate,cyclohexanone, soluble in absolute ethyl alcohol and react with it.
TMA quality indexú¦Enterprise standard Q/321181GSH008-2005
Appearance: white flaky
Purity % : í¦99.50
Acid number mg KOH/g: í¦873.00
Anhydride content %: í¦98.00
Melting point : í¦165.0
triethylene glycol(TEG)chroma,Pt-Co: í_35#
Fuse chroma Pt-Co: í_120#
PA ppm : í_200.
Supplier: Trimellitic anhydride (tma), butyl acetate, trimethylolpropane (tmp)
Buyer: N-butaol, n-butyraldehyde
Supplier: Pseudocumene (PSC), trimellitic anhydride (TMA), trioctyl trimellitate (TOTM), vinyl toluene (VT) and high-flash aromatic naphthas
Buyer: C9 aromatics, 2-EH
Supplier: N-butyl acetate, trimellitic anhydride trimethylolpropane
Buyer: N-butanol, acetic acid