USD $1.00-10.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $100.00-150.00 / Kilogram
3,3',4,4'-benzophenonetetracarboxylic dianhydride basic information
product name: 3,3',4,4'-benzophenonetetracarboxylic dianhydride
synonyms: 1,3-isobenzofurandione, 5,5'-carbonylbis-;3,3',4,4'-benzophenonetetracarboxylic acid dianhydride;3,3',4,4'-tetracarboxybenzophenone dianhydride;3,3’,4,4’-benzophenonetetracarboxylicaciddianhydride;3-isobenzofurandione,5,5’-carbonylbis-1;4,4'-carbonylbis[phthalic anhydride];4,4'-diphthalic anhydride ketone;5,5’-carbonylbis-3-isobenzofurandione
cas: 2421-28-5
mf: c17h6o7
mw: 322.23
einecs: 219-348-1
product categories: pharmacetical;aromatic tetracarboxylic dianhydrides (for high-performance polymer research);benzophenones (for high-performance polymer research);functional materials;reagent for high-performance polymer research;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, pharmaceutical intermediates;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials
mol file: 2421-28-5.mol
3,3',4,4'-benzophenonetetracarboxylic dianhydride structure
3,3',4,4'-benzophenonetetracarboxylic dianhydride chemical properties
mp 218-222 °c(lit.)
bp 320°c 5mm
density 1,57 g/cm3
vapor density 1.4 (vs air)
vapor pressure <0.1 mm hg ( 0 °c)
fp 324 °c
solubility dmf: 0.1 g/ml, clear
water solubility reacts
sensitive moisture sensitive
sublimation 220-230 ºc
brn 761777
nist chemistry reference bis-(3-phthalyl anhydride) ketone(2421-28-5)
epa substance registry system 1,3-isobenzofurandione, 5,5'-carbonylbis-(2421-28-5)
safety information
hazard codes xi
risk statements 36/37
safety statements 25
wgk germany 1
f 21
hs code 29183000