3,3',4,4'-Benzophenonetetracarboxylic dianhydride CAS NO.2421-28-5

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Purity:: 99%

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Product Details

Keywords

3,3',4,4'-Benzophenonetetracarboxylic dianhydride
high purity 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
factory supply 3,3',4,4'-Benzophenonetetracarboxylic dianhydride

Quick Details

ProName: 3,3',4,4'-Benzophenonetetracarboxylic ...
CasNo: 2421-28-5
Molecular Formula: C17H6O7
Appearance: white crystall powder
Application: Used in a base-free iridium-catalyzed ...
DeliveryTime: With about 7-10 days after receipt the...
PackAge: as you requested
Port: China main port
ProductionCapacity: 10 Kilogram/Day
Purity: 99%
Storage: room temperature
Transportation: by courier
LimitNum: 1 Gram
Transportation: by courier

Superiority

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1.noble metal catalysts (pt.pd...)

2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)

3.oled intermediates (fluorene,carbazole,boric acid...)

4.customs synthesis

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Details

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 chemical properties

melting point	218-222 °c(lit.)
boiling point	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
form	needles or crystalline powder
color	off-white to brown
explosive limit	16%
water solubility	reacts
sensitive	moisture sensitive
λmax	580nm(ch3cn)(lit.)
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
tsca	yes
hs code	29183000

msds information

provider	language
btda	english
acros	english
sigmaaldrich	english
alfa	english

3,3',4,4'-benzophenonetetracarboxylic dianhydride usage and synthesis

chemical properties	white crystall powder
uses	btda is important monomer of polyimide, and used for production of polyimide material. the material has high temperature resistance, low temperature resistance, corrosion resistance, radiation resistance, insulation, shock resistance, excellent performance. can be made into structure parts, laminates, films, adhesives, coatings, insulation materials and reinforcing material, etc., can be widely used in the field of aerospace, electrical / electronics, shipbuilding, automobile, precision machinery.
uses	used in the synthesis of polyimides.