3,3',4,4'-Benzophenonetetracarboxylic dianhydride

CAS No.	2421-28-5
Chemical Name:	3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Synonyms:	BTDA;NOTAVAILABLE;LABOTEST-BB LT02097910;4,4'-Diphthalic anhydride ketone;4,4'-CARBONYLDIPHTHALIC ANHYDRIDE;4,4'-Carbonylbis[phthalic anhydride];Phthalic anhydride, 4,4'-carbonyldi-;Benzophenonetetracarboxylic anhydride;5,5’-carbonylbis-3-isobenzofurandione;BTDA~4,4-Carbonyldiphthalic anhydride
CBNumber:	CB5164853
Molecular Formula:	C17H6O7
Formula Weight:	322.23
MOL File:	2421-28-5.mol

3,3',4,4'-Benzophenonetetracarboxylic dianhydride Property

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

Hazard Codes :

Risk Statements :

36/37

Safety Statements :

WGK Germany :

F :

HS Code :

29183000

3,3',4,4'-Benzophenonetetracarboxylic dianhydride Chemical Properties,Usage,Production

Chemical Properties
white crystall powder

Usage
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.

3,3',4,4'-Benzophenonetetracarboxylic dianhydride Preparation Products And Raw materials

Raw materials
Acetone

Preparation Products

3,3',4,4'-Benzophenonetetracarboxylic dianhydride Suppliers Global( 123)Suppliers

Supplier	Tel	Fax	Email	Country	ProdList	Advantage
Forsman Scientific ( Beijing ) Co., Ltd.	+86-10-52073907	+86-10-52073967-810	info@forsman.com.cn	CHINA	110	58
Junkai (Tianjin) Chemical Co., Ltd	+ 86-18622722330 +86-13920864700 +86-22-85689515-8816	+86-22-23787875	sales@junkaichem.com	CHINA	57	66
Chengdu Yuanda chemical co.,ltd	+86-28-85356300 Mob:18980937689 Skype:chemscu QQ:435018036	+86-28-85356300	sales@ydachem.com	CHINA	100	55
Changzhou Sunlight Pharmaceutical Co., Ltd.	0519-85267565 15961260818	0519-83138041	810707@sunlightchem.com	CHINA	32	58
J & K SCIENTIFIC LTD.	--	--	jkinfo@jkchemical.com;market3@jkchemical.com	CHINA	96847	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	+86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-59487313(Beijing)	+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing)	sh@meryer.com	CHINA	40407	62
Alfa Aesar	400-610-6006; 021-67582000	021-67582001/03/05	saleschina@alfa-asia.com	CHINA	30333	84
TCI (Shanghai) Development Co., Ltd.	--	--	info@chemicalbook.com	CHINA	22159	81
BeiJing Hwrk Chemicals Limted	4006990298 010-57411839 020-31335234 021-51691807	010-87653215 0757-86311057 021-55236763	sales@hwrkchemical.com	CHINA	12649	55
Energy Chemical	021-58432009 / 400-005-6266	021-58436166-800	info@energy-chemical.com	CHINA	44198	61

2421-28-5(3,3',4,4'-Benzophenonetetracarboxylic dianhydride)Related Search:

4-Methylbenzophenone p-Toluic acid DIPHENYLMETHANE-4-CARBOXYLIC ACID 3-ACETYLBENZOIC ACID 3-Acetyl-benzoic acid methyl ester Methyl 3-formylbenzoate 3,3',4,4'-Benzophenonetetracarboxylic dianhydride Benzoic anhydride Trifluoromethanesulfonic anhydride Benzophenone oxime 4H-3,1-Benzoxazine-2,4(1H)-dione Benzophenone Phthalic anhydride Maleic anhydride Acetic anhydride Benzophenone hydrazone Bis-(3-phthalyl anhydride) ether Succinic anhydride

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 Benzophenonetetracarboxylic acid anhydride Benzophenonetetracarboxylic anhydride NOTAVAILABLE Phthalic anhydride, 4,4'-carbonyldi- Benzophenones (for High-Performance Polymer Research) Reagent for High-Performance Polymer Research Aromatic Tetracarboxylic Dianhydrides (for High-Performance Polymer Research) Organic Building Blocks 3,3',4,4'-BENZOPHENONETETRACARBOXYLIC DIANHYDRIDE 2421-28-5 Carboxylic Acid Anhydrides Carbonyl Compounds Building Blocks 4,4'-CARBONYLDIPHTHALIC ANHYDRIDE LABOTEST-BB LT02097910 BTDA BENZOPHENONE-3,3',4,4'-TETRACARBOXYLIC DIANHYDRIDE BENZOPHENONETETRACARBOXYLIC ACID DIANHYDRIDE BENZOPHENONE-TETRACARBOXYLIC-DIANHYDRIDE BTDA~4,4-Carbonyldiphthalic anhydride 3,3',4,4'-BENZOPHENONETETRACARBOXYLIC DI ANHYDRIDE, SUBLIMED, 98% 3,3',4,4'-BENZOPHENONETETRACARBOXYLIC DI C17H6O7 BENZOPHENONE-3,3'',4,4''-TETRACARBOXYLIC DIANHYDRIDE (BTDA) 3,3'',4,4''-BENZOPHENONETETRACARBOXYLIC DIANHYDRIDE 98% pharmacetical 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+% Aromatic Tetracarboxylic Dianhydrides (for High-Performance Polymer Research) Benzophenones (for High-Performance Polymer Research) Functional Materials Reagent for High-Performance Polymer Research 5,5-Carbonylbis(1,3-isobenzofurandione) benzophenone-3,3',4,4'-tetracarboxylic dianhydride 4,4'-carbonyldi(phthalic anhydride) 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 98+% 5-(1,3-Dioxo2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione 3,3',4,4'-Benzophenonetetracarboxylic dianhydride ,99% 4,4'-Carbonylbis(benzene-1,2-dicarboxylic acid)1,2:1',2'-dianhydride 5,5'-Carbonylbis(isobenzofuran-1,3-dione) 3,3',4,4'-Benzophenonetetracarboxylic dianhydride,96% 3,3',4,4'-Benzophenonetetracarboxylic dianhydride ,99.5% fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, pharmaceutical intermediates fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials 3,3',4,4'- twophenyl ketonefourtwo acidanhydride Benzophenone-3,3',4,4'-tetracarboxylic dianhydride 96% 3,3',4,4'-Benzophenonetetracarboxylic Dianhydride (purified by sublimation)