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Diethyl squarate

Diethyl squarate structure

CAS No.: 5231-87-8

Chemical Name:: Diethyl squarate

Synonyms: DIETHYL SQUARATE;3,4-DiethoxycycL;DIETHYL SUQUARATE;DiethylSquarate98%;Diethyl quadratate;TIMTEC-BB SBB008498;obut-3-ene-1,2-dione;DIETHOXYCYCLOBUTENEDIONE;SQUARIC ACID DIETHYL ESTER;SUQUARIC ACID DIETHYL ESTER

CBNumber:: CB1106356

Molecular Formula:: C8H10O4

Molecular Weight:: 170.16

MDL Number:: MFCD00001333

MOL File:: 5231-87-8.mol

Last updated:2023-04-27 16:27:43

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Diethyl squarate Properties

Melting point	13-18 °C
Boiling point	95 °C0.1 mm Hg(lit.)
Density	1.15 g/mL at 25 °C(lit.)
refractive index	n20/D 1.509(lit.)
Flash point	>230 °F
storage temp.	2-8°C
form	Liquid
color	Clear yellow to light brownish
Water Solubility	insoluble
BRN	640626
InChIKey	DFSFLZCLKYZYRD-UHFFFAOYSA-N
CAS DataBase Reference	5231-87-8(CAS DataBase Reference)
EWG's Food Scores	1
NIST Chemistry Reference	3,4-Diethoxy-3-cyclobutene-1,2-dione(5231-87-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07,GHS08

Signal word

Danger

Hazard statements

H315-H317-H319-H334-H335

Precautionary statements

P280-P302+P352-P305+P351+P338

Hazard Codes

Xn,Xi

Risk Statements

36/37/38-42/43

Safety Statements

7-26-37/39-24-23

WGK Germany

RTECS

GU1772466

Hazard Note

Irritant

HS Code

29145090

NFPA 704

	1
2		0

Diethyl squarate price More Price(39)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	310778	3,4-Diethoxy-3-cyclobutene-1,2-dione 98%	5231-87-8	5g	$132	2024-03-01	Buy
TCI Chemical	D3253	3,4-Diethoxy-3-cyclobutene-1,2-dione >98.0%(GC)	5231-87-8	5g	$67	2024-03-01	Buy
TCI Chemical	D3253	3,4-Diethoxy-3-cyclobutene-1,2-dione >98.0%(GC)	5231-87-8	25g	$269	2024-03-01	Buy
Alfa Aesar	A19248	3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%	5231-87-8	1g	$50.65	2024-03-01	Buy
Alfa Aesar	A19248	3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%	5231-87-8	5g	$160.65	2024-03-01	Buy

Product number	Packaging	Price	Buy
310778	5g	$132	Buy
D3253	5g	$67	Buy
D3253	25g	$269	Buy
A19248	1g	$50.65	Buy
A19248	5g	$160.65	Buy

Diethyl squarate Chemical Properties,Uses,Production

Chemical Properties

clear yellow to light brownish liquid

Uses

3,4-Dethoxy-3-cyclobutene-1,2-dione is used as a starting material for synthesis of furanones and quinones. It undergoes ethoxy substitution with amines and unsaturated organosilanes.

Uses

Diethyl squarate is an intermediate for pharma products, for photochemicals used in the dry-view process, in synthesis of photosensitive squaraine dyes (eg. laser dyes used in CD-Rom) and as intermediate for functional polymers.

General Description

The reaction of 3,4-diethoxy-3-cyclobutene-1,2-dione (squaric acid diethyl ester) with glycosylamines (formed by reducing oligosaccharides) was studied. The derivatives formed were linked to amino-functionalized lipids, solids or proteins.

Diethyl squarate synthesis

Synthesis of Diethyl squarate from Triethyl orthoformate and Squaric acid

Diethyl squarate Preparation Products And Raw materials

Raw materials

Preparation Products

3,4-Dimethoxy-3-cyclobutene-1,2-dione 3-(BENZYLAMINO)-4-ETHOXYCYCLOBUT-3-ENE-1,2-DIONE 3-Cyclobutene-1,2-dione,3-amino-4-ethoxy-(9CI) 3-[(2-ETHOXY-3,4-DIOXO-1-CYCLOBUTEN-1-YL)AMINO]-2-HYDROXY-N,N-DIMETHYL-BENZAMIDE

Diethyl squarate Suppliers

Global( 232)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Capot Chemical Co.,Ltd.	571-85586718 +8613336195806	sales@capotchem.com	China	29797	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21691	55
Shanghai Time Chemicals CO., Ltd.	+86-021-57951555 +8617317452075	jack.li@time-chemicals.com	China	1807	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
HaBo Hong Kong Co., Limited.	+86-25-18512596065	info@habotech.com	CHINA	933	58
Accela ChemBio Inc.	(+1)-858-699-3322	info@accelachem.com	United States	19965	58
Chongqing Chemdad Co., Ltd	+86-023-61398051 +8613650506873	sales@chemdad.com	China	39916	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63711	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49390	58
Fuxin Pharmaceutical	+86-021-021-50872116 +8613122107989	contact@fuxinpharm.com	China	10297	58

Supplier	Advantage
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
Shanghai Time Chemicals CO., Ltd.	55
career henan chemical co	58
HaBo Hong Kong Co., Limited.	58
Accela ChemBio Inc.	58
Chongqing Chemdad Co., Ltd	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Fuxin Pharmaceutical	58

View Lastest Price from Diethyl squarate manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2023-09-06	Diethyl squarate 5231-87-8	US $0.00-0.00 / KG	1KG	99%	500000kg	Hebei Guanlang Biotechnology Co., Ltd.
2022-09-20	Diethyl squarate 5231-87-8	US $0.00-0.00 / KG	1KG	98%	1ton	Henan Aochuang Chemical Co.,Ltd.
2021-08-12	Diethyl squarate 5231-87-8	US $15.00-10.00 / KG	1KG	99%+ HPLC	Monthly supply of 1 ton	Zhuozhou Wenxi import and Export Co., Ltd

Diethyl squarate
5231-87-8
US $0.00-0.00 / KG
99%
Hebei Guanlang Biotechnology Co., Ltd.

Diethyl squarate
5231-87-8
US $0.00-0.00 / KG
98%
Henan Aochuang Chemical Co.,Ltd.

Diethyl squarate
5231-87-8
US $15.00-10.00 / KG
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

Diethyl squarate Spectrum

Diethyl squarate(5231-87-8)MS Diethyl squarate(5231-87-8)¹HNMR Diethyl squarate(5231-87-8)¹³CNMR Diethyl squarate(5231-87-8)IR1

5231-87-8(Diethyl squarate)Related Search:

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Tris(trimethylsilyl)phosphate Androstenedione Squaric acid

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3,4-DIETHOXYCYCLOBUTANE-1,2-DIONE Diethyl squarate, Squaric acid diethyl ester SQUARIC ACID DIETHYL ESTER,(DIETHYL SQUARATE, 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE) DIETHOXYCYCLOBUTENEDIONE 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 98% SQUARICACIDDIETHYLESTER/3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 3,4-Diethoxy-3-cyclobuten-1,2-dion Diethyl quadratate 3,4-Diethoxy-3-Cyclobutene-1,2-Dione Diethyl Squarate 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE, 98 % DiethylSquarate98% Diethyl squarate, 1,2-Diethoxy-3,4-dioxocyclobut-1-ene Diethyl Suquarate Suquaric Acid Diethyl Ester 3,4-Diethoxy-3-cyclobuten-1,2-dione Diethylsquarate[3,4-Diethoxy-3-cyclobutene-1,2-dione] DIETHYL SQUARATE DIETHYL SUQUARATE 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 3,4-DIETHOXYCYCLOBUT-3-ENE-1,2-DIONE 1,2-DIETHOXYCYCLOBUTENEDIONE SQUARIC ACID DIETHYL ESTER SUQUARIC ACID DIETHYL ESTER TIMTEC-BB SBB008498 3-Cyclobutene-1,2-dione, 3,4-diethoxy- SQUARIC ACID DIETHYL ESTER,(DIETHYL SQUARATE, 3,4-DIETHOXY-3-CYCLO SQUARIC ACID DIETHYL ESTER,(DIETHYL SQUARATE, 3,4-DIETHOXY- Diethyl squarate in stock Factory 3,4-Diethoxycyclobut-3-ene-1,2-dione 98% diethoxycyclobut-3-ene-1,2-dione 3,4-Diethoxy-3-cyclobutene-1,2-dione> 3,4-DiethoxycycL obut-3-ene-1,2-dione TIANFU-CHEM CAS:5231-87-8 Diethyl squarate 5231-87-8 C2H5O2C4O2 Simple 4-Membered Ring Compounds C7 to C8 Carbonyl Compounds Building Blocks Cyclobutanes & Cyclobutenes Organic Building Blocks Ketones Cyclobutanes & Cyclobutenes Simple 4-Membered Ring Compounds Ring Systems Aluminium foil bag/Fluoride bottle or on your request