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Tetraethyl 1,1,2,2-ethanetetracarboxylate

Tetraethyl 1,1,2,2-ethanetetracarboxylate structure

CAS No.: 632-56-4

Chemical Name:: Tetraethyl 1,1,2,2-ethanetetracarboxylate

Synonyms: ETHYL ETHANETETRACARBOXYLATE;1,1,2,2-Tetracarbethoxyethane;Tetrakis(ethoxycarbonyl)ethane;1,1,2,2-ethanetetraethyl formate;etraethylethane-1,1,2,2-tetracarboxylate;Tetraethyl 1,1,2,2-ethanetetracarboxylate;tetraethyl ethane-1,1,2,2-tetracarboxylate;Tetraethyl 1,1,2,2-ethanetetracarboxylate,97%;Tetraethyl-1,1,2,2-ethanetetracarboxylate 97%;ethane-1,1,2,2-tetracarboxylicacidtetraethylester

CBNumber:: CB8669571

Molecular Formula:: C14H22O8

Molecular Weight:: 318.32

MDL Number:: MFCD00009153

MOL File:: 632-56-4.mol

MSDS File:: SDS

Last updated:2026-09-12 18:55:49

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Tetraethyl 1,1,2,2-ethanetetracarboxylate Properties

Melting point	73-75 °C (lit.)
Boiling point	377.49°C (rough estimate)
Density	1.0640
refractive index	1.4105 (estimate)
pka	10.58±0.59(Predicted)
BRN	1805842
InChI	1S/C14H22O8/c1-5-19-11(15)9(12(16)20-6-2)10(13(17)21-7-3)14(18)22-8-4/h9-10H,5-8H2,1-4H3
InChIKey	UQSBVZIXVVORQC-UHFFFAOYSA-N
SMILES	CCOC(=O)C(C(C(=O)OCC)C(=O)OCC)C(=O)OCC
FDA UNII	5G8A5ZPV2T
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

PPE	Eyeshields, Gloves, type N95 (US)
Safety Statements	22-24/25
WGK Germany	3
Storage Class	11 - Combustible Solids

Tetraethyl 1,1,2,2-ethanetetracarboxylate price More Price(5)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	131881	Tetraethyl 1,1,2,2-ethanetetracarboxylate 99%	632-56-4	5g	$176	2023-06-20	Buy
aablocks	AA003UKZ	1,1,2,2-Tetraethyl 1,1,2,2-ethanetetracarboxylate 95%	632-56-4	250mg	$43	2026-05-28	Buy
aablocks	AA003UKZ	1,1,2,2-Tetraethyl 1,1,2,2-ethanetetracarboxylate 95%	632-56-4	1g	$95	2026-05-28	Buy
aablocks	AA003UKZ	1,1,2,2-Tetraethyl 1,1,2,2-ethanetetracarboxylate 95%	632-56-4	5g	$174	2026-05-28	Buy
American Custom Chemicals Corporation	CHM0124717	TETRAETHYL 1,1,2,2-ETHANETETRACARBOXYLATE 95.00%	632-56-4	5G	$871.72	2021-12-16	Buy

Product number	Packaging	Price	Buy
131881	5g	$176	Buy
AA003UKZ	250mg	$43	Buy
AA003UKZ	1g	$95	Buy
AA003UKZ	5g	$174	Buy
CHM0124717	5G	$871.72	Buy

Tetraethyl 1,1,2,2-ethanetetracarboxylate Chemical Properties,Uses,Production

Chemical Properties

WHITE CRYSTALLINE NEEDLES

Uses

Tetraethyl 1,1,2,2-ethanetetracarboxylate was used in the synthesis of double-ring molecules. It was also used in the preparation of tapt and tapt·4HCl·EtOH·0.5H₂O.

Purification Methods

Recrystallise the ester twice from EtOH by cooling to 0o. [Mochizuki et al. Bull Chem Soc Jpn 64 1750 1991, Weinges et al. Angew Chem 93 1008 1981, Beilstein 2 IV 2415.]

Tetraethyl 1,1,2,2-ethanetetracarboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

Tetraethyl 1,1,2,2-ethanetetracarboxylate Suppliers

Global( 41)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Shanghai Aladdin Bio-Chem Technology Co.,LTD	400-6206333 13167063860	anhua.mao@aladdin-e.com	China	29985	65
Finetech Industry Limited	027-87465837 19945049750	sales@finetechnology-ind.com	China	9331	58
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51389	80
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	89667	60
Grice Rand (Tianjin) Pharmaceutical Co., Ltd.	022-83705301 13752403750	2966024760@qq.com	China	814	55
Shanghai SuperLan Chemcial Technique Centre	0-2022843681 15618226720	chaolaichem@foxmail.com	China	9996	58
Finetech Industry Limited	+86-27-8746-5837 +86-18627785180	info@finetechnology-ind.com	China	9533	58
Amel Pharmatech Corporation	027-888-4366503 13986279625	sales@amelpharmatech.com	China	4826	58
Shenyang Maud Pharmaceutical Technology Co., Ltd.	024-23982345	1020788318@qq.com	China	2246	58

Supplier	Advantage
Energy Chemical	61
Shanghai Aladdin Bio-Chem Technology Co.,LTD	65
Finetech Industry Limited	58
Sigma-Aldrich	80
Shanghai YuanYe Biotechnology Co., Ltd.	60
Grice Rand (Tianjin) Pharmaceutical Co., Ltd.	55
Shanghai SuperLan Chemcial Technique Centre	58
Finetech Industry Limited	58
Amel Pharmatech Corporation	58
Shenyang Maud Pharmaceutical Technology Co., Ltd.	58

Tetraethyl 1,1,2,2-ethanetetracarboxylate Spectrum

TETRAETHYL 1,1,2,2-ETHANETETRACARBOXYLATE(632-56-4)¹HNMR TETRAETHYL 1,1,2,2-ETHANETETRACARBOXYLATE(632-56-4)IR1 TETRAETHYL 1,1,2,2-ETHANETETRACARBOXYLATE(632-56-4)IR2 TETRAETHYL 1,1,2,2-ETHANETETRACARBOXYLATE(632-56-4)Raman

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1of4

1,1,2,2-Ethanetetracarboxylic acid, tetraethyl ester 1,1,2,2-Tetracarbethoxyethane ethane-1,1,2,2-tetracarboxylicacidtetraethylester Tetrakis(ethoxycarbonyl)ethane tetraethyl ethane-1,1,2,2-tetracarboxylate ETHYL ETHANETETRACARBOXYLATE Tetraethyl-1,1,2,2-ethanetetracarboxylate 97% Tetraethyl 1,1,2,2-ethanetetracarboxylate,97% 1,1,2,2-Ethanetetracarboxylic acid, 1,1,2,2-tetraethyl ester etraethylethane-1,1,2,2-tetracarboxylate 1,1,2,2-ethanetetraethyl formate ethyl 4-ethoxy-2,3-bis(ethoxycarbonyl)-4-oxobutanoate Tetraethyl 1,1,2,2-ethanetetracarboxylate 632-56-4 C14H22O8 C2H2COOC2H54 CH3CH2OOC2CHCHCOOCH2CH32 Esters Organic Building Blocks Building Blocks Carbonyl Compounds C12 to C63 Building Blocks C12 to C63 Carbonyl Compounds Chemical Synthesis Organic Building Blocks C12 to C63 Carbonyl Compounds Esters