Welcome to LookChem.com Sign In|Join Free
  • or
Home > Products >  > 

Dibutyl squarate
Related Products

Hot Products

Basic Information Post buying leads Suppliers Cas Database
Name

Dibutyl squarate

 EINECS N/A
CAS No. 2892-62-8 Density 1.08 g/cm3
PSA 52.60000 LogP 1.98320
Solubility insoluble in water Melting Point N/A
Formula C12H18O4 Boiling Point 353.2 °C at 760 mmHg
Molecular Weight 226.273 Flash Point 157.2 °C
Transport Information N/A Appearance clear colorless to yellow liquid
Safety 26-27-36/37/39-45 Risk Codes 36/37/38-42/43
Molecular Structure Molecular Structure of 2892-62-8 (Dibutyl squarate) Hazard Symbols HarmfulXn
Synonyms

Cyclobutenedione,dibutoxy- (7CI,8CI);1,2-Dibutoxy-1-cyclobutene-3,4-dione;1,2-Dibutoxycyclobutene-3,4-dione;3,4-Dibutoxycyclobut-3-ene-1,2-dione;Dibutylquadratate;NSC 113489;Squaric acid dibutyl ether;

Article Data 17

Dibutyl squarate Synthetic route

588-43-2

Tributyl orthoformate

2892-51-5

squaric acid

71-36-3

butan-1-ol

2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

Conditions
ConditionsYield
for 23.5h; Heating;97%
2892-51-5

squaric acid

71-36-3

butan-1-ol

2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

Conditions
ConditionsYield
In benzene Heating; Dean-Stark trap;95%
In benzene for 3h; Heating;86%
for 3h; Reflux;74%
3200-96-2

2,3,4,4-tetrachloro-cyclobut-2-en-1-one

71-36-3

butan-1-ol

2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

Conditions
ConditionsYield
Heating;68%
67-52-7

BARBITURIC ACID

2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

121-44-8

triethylamine

triethylammonium 5-(2-hydroxy-3,4-dioxocyclobut-1-en-1-yl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate

Conditions
ConditionsYield
In ethanol at 20℃; for 0.333333h;100%
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

63151-41-7

6-ethoxy-N-methyl-2-quinaldinium iodide

797039-87-3

C21H23NO4

Conditions
ConditionsYield
With triethylamine In butan-1-ol at 25℃; for 12h;98%
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

100-46-9

benzylamine

3-(benzylamino)-4-butoxycyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
In dichloromethane at 0 - 20℃;98%
In dichloromethane at 20℃;
5407-57-8

N-(7-chloroquinolin-4-yl)ethylenediamine

2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

1487428-79-4

C26H22Cl2N6O2

Conditions
ConditionsYield
In methanol for 12h; Reflux;97%
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

1-[(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water at 21℃; pH=8;96%
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

3850-30-4, 22526-47-2, 59367-75-8, 66228-31-7

(R)-1,2,2-trimethylpropylamine

(R)-3-butoxy-4-(1,2,2-trimethyl-propylamino)-cyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
In tetrahydrofuran; ethanol at 20℃; for 65h; Condensation;95%
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

1346893-02-4

6-hydroxy-4-methyl-N-methyl-quinaldinium iodide

1346893-11-5

C20H21NO4

Conditions
ConditionsYield
With triethylamine In butan-1-ol at 25℃; for 12h;95%

Dibutyl squarate Specification

The IUPAC name of 3-Cyclobutene-1,2-dione,3,4-dibutoxy- is 3,4-dibutoxycyclobut-3-ene-1,2-dione. With the CAS registry number 2892-62-8, it is also named as Squaric acid dibutyl ester. The product's categories are API Intermediates; Cyclobutanes & Cyclobutenes; Simple 4-Membered Ring Compounds. Besides, it is clear colorless to yellow liquid, which should be stored in closed, cool and dry place. In addition, its molecular formula is C12H18O4 and its molecular weight is 226.27.

The other characteristics of 3-Cyclobutene-1,2-dione,3,4-dibutoxy- can be summarized as: (1)ACD/LogP: 1.97; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.97; (4)ACD/LogD (pH 7.4): 1.97; (5)ACD/BCF (pH 5.5): 18.64; (6)ACD/BCF (pH 7.4): 18.64; (7)ACD/KOC (pH 5.5): 282.51; (8)ACD/KOC (pH 7.4): 282.51; (9)#H bond acceptors: 4; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 8; (12)Index of Refraction: 1.477; (13)Molar Refractivity: 58.73 cm3; (14)Molar Volume: 207.8 cm3; (15)Surface Tension: 36.9 dyne/cm; (16)Density: 1.08 g/cm3; (17)Flash Point: 157.2 °C; (18)Enthalpy of Vaporization: 59.81 kJ/mol; (19)Boiling Point: 353.2 °C at 760 mmHg; (20)Vapour Pressure: 3.64E-05 mmHg at 25 °C.

Preparation of this product: this chemical can be prepared by Dihydroxy-cyclobutenedione and Butan-1-ol.



This reaction needs Benzene by heating. The yield is 95 %.

Uses of this product: it can be used to produce Dikalium-1,2-dithioquadratat.



This reaction needs KHS, H2S and Ethanol for 2 hours. The yield is 82 %.

When you are using this chemical, please be cautious about it as the following: it is irritating to eyes, respiratory system and skin that may cause sensitization by inhalation and skin contact. In case of contact with eyes, please rinse immediately with plenty of water and seek medical advice. And please take off immediately all contaminated clothing. Moreover, you should wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

People can use the following data to convert to the molecule structure.
(1)SMILES: O=C1C(\OCCCC)=C(\OCCCC)C1=O
(2)InChI: InChI=1/C12H18O4/c1-3-5-7-15-11-9(13)10(14)12(11)16-8-6-4-2/h3-8H2,1-2H3
(3)InChIKey: XBRWELTXMQSEIN-UHFFFAOYAC
(4)Std. InChI: InChI=1S/C12H18O4/c1-3-5-7-15-11-9(13)10(14)12(11)16-8-6-4-2/h3-8H2,1-2H3
(5)Std. InChIKey: XBRWELTXMQSEIN-UHFFFAOYSA-N

Post a RFQ

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)

1

What can I do for you?
Get Best Price

Get Best Price for 2892-62-8