Cyclobutane-1,2,3,4-tetracarboxylic dianhydride supplier

Name
Cyclobutane-1,2,3,4-tetracarboxylic dianhydride
EINECS 224-577-5
CAS No. 4415-87-6
Article Data11
CAS DataBase
Density 1.823 g/cm³
Solubility
Melting Point >300 °C(lit.)
Formula C₈H₄O₆
Boiling Point 545.3 °C at 760 mmHg
Molecular Weight 196.116
Flash Point 253.7 °C
Transport Information UN 1759
Appearance
Safety 26-36
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms 1,2,3,4-Cyclobutanetetracarboxylic1,2:3,4-dianhydride (7CI,8CI);1,2,3,4-Cyclobutanetetracarboxylic dianhydride(6CI);Cyclobuta[1,2-c:3,4-c']difurantetrone, tetrahydro- (9CI);Cyclobutane-1,2,3,4-tetracarboxylic acid dianhydride;Cyclobutanetetracarboxylic acid dianhydride;Cyclobutanetetracarboxylicdianhydride;Maleic anhydride cyclic dimer;
PSA 86.74000
LogP -1.36840

Synthetic route

: 53159-92-5
1,2,3,4-cyclobutane tetracarboxylic acid

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

Conditions

Conditions	Yield
With acetic anhydride at 150℃; for 24h;

: 108-31-6
maleic anhydride

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

Conditions

Conditions	Yield
Stage #1: maleic anhydride In ethyl acetate for 240h; UV-irradiation; Stage #2: With acetic anhydride at 150℃; for 24h;
In ethyl acetate for 2h; Inert atmosphere; Slug flow microreactor; Ultrasonication; Irradiation;	2.15 g

: 108-31-6
maleic anhydride

: 74-85-1
ethene

A: 4415-87-6
cyclobutanetetracarboxylic dianhydride

B: 4462-96-8
cis-1,2-cyclobutane dicarboxylic anhydride

Conditions

Conditions	Yield
With benzophenone In ethyl acetate at 25℃; under 760.051 Torr; UV-irradiation; Flow reactor;

...Expand

: 950846-89-6
rhodamine B ethylenediamine

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: C68H76N8O10

Conditions

Conditions	Yield
In acetonitrile at 50℃; for 24h; Solvent; Temperature;	87%

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 6393-01-7
2,5-Dimethyl-1,4-phenylenediamine

: 2,5-bis(4-amino-2,5-dimethylphenyl)tetrahydrocyclobuta[1,2-c:3,4-c′]dipyrrole-1,3,4,6(2H,5H)tetraone

Conditions

Conditions	Yield
Stage #1: cyclobutanetetracarboxylic dianhydride; 2,5-Dimethyl-1,4-phenylenediamine In 1-methyl-pyrrolidin-2-one at 20℃; for 12h; Inert atmosphere; Stage #2: In 1-methyl-pyrrolidin-2-one; toluene at 180℃; for 9h; Inert atmosphere;	80.8%

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: C27H32BNO

: C62H64B2N2O6

Conditions

Conditions	Yield
With propionic acid at 100 - 120℃; for 24h; Inert atmosphere;	77%

concentrated hydrofluoric acid: concentrated hydrofluoric acid

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: N-(2-tert-Butyldimethylsiloxy)ethyl-N-(4-phenoxy)benzylamine

: 18107-18-1
diazomethyl-trimethyl-silane

: 171349-30-7
(1α,2β,3β,4α)-1,3-Di[N-(2-hydroxyethyl)-N-(4-phenoxybenzyl)aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
With hydrogenchloride; dmap; LiOH; triethylamine In acetic acid 1-hydroxy-propyl ester; methanol; water; acetonitrile	40%

...Expand

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 169943-97-9
N-Benzyl-N-(4-phenoxybenzyl)amine

: 171348-76-8
(1α,2β,3β,4α)-1,3-Di(N-benzyl-N-(4-phenoxybenzyl)aminocarbonyl)cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In tetrahydrofuran; ethyl acetate	32%

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

aqueous H2 SO4: aqueous H2 SO4

: 169943-70-8
N-Propyl-N-(4-phenoxymethylbenzyl)amine hydrochloride

: 121-44-8
triethylamine

: 171349-23-8
(1α,2β,3β,4α)-1,3-Di[N-propyl-N-(4-phenoxymethylbenzyl)aminocarbonyl]-2,4-cyclobutanedicarboxylic acid

Conditions

Conditions	Yield
In acetonitrile	28%

...Expand

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

aqueous H2 SO4: aqueous H2 SO4

: 169943-70-8
N-Propyl-N-(4-phenoxymethylbenzyl)amine hydrochloride

: 121-44-8
triethylamine

A 1,3-diacid: 1,3-diacid

B: (1α,2β,3β,4α)-1,2-Di[N-propyl-N-[4-phenoxymethylbenzyl]aminocarbonyl]cyclobutane-3,4-dicarboxylic acid

Conditions

Conditions	Yield
In acetonitrile	A 28% B n/a

...Expand

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 103-49-1
dibenzylamine

: 171348-93-9
(1α,2β,3β,4α)-1,3-Di[N,N-dibenzylaminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In tetrahydrofuran; ethyl acetate	22%

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 103-49-1
dibenzylamine

: (1α,2β,3β,4α)-1,2-Di[N,N-dibenzylaminocarbonyl]cyclobutane-3,4-dicarboxylic acid

Conditions

Conditions	Yield
In tetrahydrofuran; ethyl acetate	22%

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: N-Benzyl-N-(4-chlorobenzyl)amine Hydrochloride

: 121-44-8
triethylamine

: 171348-94-0
(1α,2β,3β,4α)-1,3-Di[N-benzyl-N-(4-chlorobenzyl)aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In ethyl acetate; N,N-dimethyl-formamide	21%

...Expand

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: N-Benzyl-N-(4-chlorobenzyl)amine Hydrochloride

: 121-44-8
triethylamine

: (1α,2β,3β,4α)-1,2-Di(N-benzyl-N-(4-chlorobenzyl)aminocarbonyl)cyclobutane-3,4-dicarboxylic acid

Conditions

Conditions	Yield
In ethyl acetate; N,N-dimethyl-formamide	21%

...Expand

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 121-44-8
triethylamine

: 171350-05-3
4-(4-phenoxyphenyl)-1,2,3,6-tetrahydropyridine

: 171349-46-5
(1α,2β,3β,4α)-1,3-Di[4-(4-phenoxyphenyl)-1,2,3,6-tetrahydropyridin-1-ylcarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In ethyl acetate; acetonitrile	18%

...Expand

: 171350-08-6
N-(3,4-dichlorobenzyl)-N-(4-phenoxybenzyl)amine

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 171349-58-9
(1α,2β,3β,4α)-1,3-Di[N-(3,4-Dichlorobenzyl)-N-(4-phenoxybenzyl)aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In ethyl acetate; acetonitrile	12%

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 40032-55-1
N-cinnamylbenzylamine

: (1α,2β,3β,4α)-1-[N-Benzyl-N-(trans-3-phenyl-2-propenyl)aminocarbonyl]cyclobutane-2,3,4-tricarboxylic acid

Conditions

Conditions	Yield
In methanol; ethyl acetate; acetonitrile	12%

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 169943-97-9
N-Benzyl-N-(4-phenoxybenzyl)amine

: (1α,2β,3β,4α)-1,2-Di[N-benzyl-N-(4-phenoxybenzyl)aminocarbonyl]cyclobutane-3,4-dicarboxylic acid

Conditions

Conditions	Yield
In tetrahydrofuran; ethyl acetate	6%

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 169944-01-8
N-(S)-α-methylbenzyl-N-(4-phenoxybenzyl)amine

: 121-44-8
triethylamine

: 171349-42-1
(1α,2β,3β,4α)-1,3-Di[N-(S)-α-Methylbenzyl-N-(4-phenoxybenzyl)-aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In ethyl acetate; acetonitrile	4%

...Expand

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 2,5-bis(N-trimethylsilylaminomethyl)bicyclo[2.2.1]heptane

: 2,6-bis(N-trimethylsilylaminomethyl)bicyclo[2.2.1]heptane

poly[2,4-trimethylsilyl-N-(5(6)-methylenebicyclo[2.2.1]heptane-2-ylmethyl)cyclobutanetetracarboxylic acid 1,3-diamide]: poly[2,4-trimethylsilyl-N-(5(6)-methylenebicyclo[2.2.1]heptane-2-ylmethyl)cyclobutanetetracarboxylic acid 1,3-diamide]

Conditions

Conditions	Yield
With N-methyl-2-pyrrolidie at 20℃; for 3h; Polymerization;

...Expand

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 85213-49-6
N-trimethylsilyl-(3,5,5-trimethyl-3-trimethylsilylaminomethylcyclohexylamine)

poly[2,4-trimethylsilyl-N-(5-amino-1,3,3-trimethylcyclohexanemethyl)cyclobutanetetracarboxylic acid 1,3-diamide]: poly[2,4-trimethylsilyl-N-(5-amino-1,3,3-trimethylcyclohexanemethyl)cyclobutanetetracarboxylic acid 1,3-diamide]

Conditions

Conditions	Yield
With N-methyl-2-pyrrolidie at 20℃; for 3h; Polymerization;

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 85213-49-6
N-trimethylsilyl-(3,5,5-trimethyl-3-trimethylsilylaminomethylcyclohexylamine)

poly(amic acid trimethylsilyl ester); monomer(s): 1,2,3,4-cyclobutanetetracarboxylic dianhydride; N-trimethylsilyl-(3,5,5-trimethyl-3-trimethylsilylaminomethylcyclohexylamine): poly(amic acid trimethylsilyl ester); monomer(s): 1,2,3,4-cyclobutanetetracarboxylic dianhydride; N-trimethylsilyl-(3,5,5-trimethyl-3-trimethylsilylaminomethylcyclohexylamine)

Conditions

Conditions	Yield
In N,N-dimethyl acetamide at 25℃; for 1h;

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 410090-46-9
N-tert-butyldimethylsilyl-(3,5,5-trimethyl-3-tert-butyldimethylsilylaminomethylcyclohexylamine)

poly(amic acid tert-butyldimethylsilyl ester); monomer(s): 1,2,3,4-cyclobutanetetracarboxylic dianhydride; N-tert-butyldimethylsilyl-(3,5,5-trimethyl-3-tert-butyldimethylsilylaminomethylcyclohexylamine): poly(amic acid tert-butyldimethylsilyl ester); monomer(s): 1,2,3,4-cyclobutanetetracarboxylic dianhydride; N-tert-butyldimethylsilyl-(3,5,5-trimethyl-3-tert-butyldimethylsilylaminomethylcyclohexylamine)

Conditions

Conditions	Yield
In N,N-dimethyl acetamide at 25℃; for 1h;

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 410090-47-0
4,4'-methylenebis(N,N'-tert-butyldimethylsilylcyclohexylamine)

poly(amic acid tert-butyldimethylsilyl ester); monomer(s): 1,2,3,4-cyclobutanetetracarboxylic dianhydride; 4,4\-methylenebis(N,N\-tert-butyldimethylsilylcyclohexylamine): poly(amic acid tert-butyldimethylsilyl ester); monomer(s): 1,2,3,4-cyclobutanetetracarboxylic dianhydride; 4,4\-methylenebis(N,N\-tert-butyldimethylsilylcyclohexylamine)

Conditions

Conditions	Yield
In N,N-dimethyl acetamide at 25℃; for 1h;

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 245049-70-1
N,N'-dihydroxycyclobutanetetracarboxylic diimide

Conditions

Conditions	Yield
With pyridine; hydroxylamine hydrochloride at 20 - 90℃; for 0.25h;

: N-(4-Phenoxybenzyl)-N-(3-methoxyphenethyl)amine

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 75-05-8
acetonitrile

: [N-(4-phenoxybenzyl)-N-(3-methoxyphenethyl) aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
With triethylamine In ethyl acetate	0.59 g (35%)

...Expand

: 169943-53-7
N-(cyclopropylmethyl)-N-(4-phenoxybenzyl)amine

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 171349-47-6
(1α,2β,3β,4α)-1,3-Di[N-cyclopropylmethyl-N-(4-phenoxybenzyl)aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In acetonitrile	1.2 g (34%)

: N-cyclobutyl-N-(4-phenoxybenzyl)amine

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 171349-53-4
(1α,2β,3β,4α)-1,3-Di[N-cyclobutyl-N-(4-phenoxybenzyl)aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In acetonitrile	2.3 g (33%)

: N-cyclopentyl-N-(4-phenoxybenzyl)amine

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 171349-51-2
(1α,2β,3β,4α)-1,3-Di[N-cyclopentyl-N-(4-phenoxybenzyl)aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In acetonitrile	2.2 g (30%)

: N-cyclohexyl-N-(4-phenoxybenzyl)amine

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 171349-52-3
(1α,2β,3β,4α)-1,3-Di[N-cyclohexyl-N-(4-phenoxybenzyl)aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In acetonitrile	2.9 g (38%)

: N-(Cyclobutylmethyl)-N-(4-phenoxybenzyl)amine

: 4415-87-6
cyclobutanetetracarboxylic dianhydride

: 171349-54-5
(1α,2β,3β,4α)-1,3-Di[N-cyclobutylmethyl-N-(4-phenoxybenzyl)aminocarbonyl]cyclobutane-2,4-dicarboxylic acid

Conditions

Conditions	Yield
In acetonitrile	100 mg (29%)

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride Chemical Properties

Empirical Formula: C₈H₄O₆
Molecular Weight: 196.1138
EINECS: 224-577-5
Structure of Cyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone,tetrahydro- (CAS NO.4415-87-6):

Index of Refraction: 1.598
Molar Refractivity: 36.73 cm³
Molar Volume: 107.5 cm³
Polarizability: 14.56×10^-24cm³
Surface Tension: 73.7 dyne/cm
Density: 1.823 g/cm³
Flash Point: 253.7 °C
Enthalpy of Vaporization: 82.41 kJ/mol
Melting Point: >300 °C(lit.)
Boiling Point: 545.3 °C at 760 mmHg
Vapour Pressure: 6.02E-12 mmHg at 25°C
Product Categories: Fluorenes, etc. (reagent for high-performance polymer research);Functional Materials;Reagent for High-Performance Polymer Research;Carbonyl Compounds;Carboxylic Acid Anhydrides;Organic Building Blocks

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
RIDADR: 1759
WGK Germany: 3
F: 9-21
HazardClass: 8
PackingGroup: III

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride Specification

Cyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone,tetrahydro- , its cas register number is 4415-87-6. It also can be called Tetrahydrocyclobuta(1,2-c:3,4-c')difuran-1,3,4,6-tetraone ; Tetrahydrofuro[3',4':3,4]cyclobuta[1,2-c]furan-1,3,4,6-tetron ; Cyclobutane-1,2,3,4-tetracarboxylic dianhydride .

Product Name

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride

Synthetic route

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride Chemical Properties

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride Safety Profile

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride Specification

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