Hot Products

Basic Information

Post buying leads

Suppliers

Cas Database

Name	Cyclobutane-1,2,3,4-tetracarboxylic dianhydride	EINECS	224-577-5
CAS No.	4415-87-6	Density	1.823 g/cm³
PSA	86.74000	LogP	-1.36840
Solubility	N/A	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	N/A
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;	Article Data	11

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

: 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%

: 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%

: 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

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 .

Post a RFQ

Cas No.:

Product Name:

Quantity:

Email:

Company name:

Valid Period:

Detailed Requirements:

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

What can I do for you?
Get Best Price

Get Best Price for 4415-87-6