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4,4,4-Trichloroacetoacetic acid ethyl ester

4,4,4-Trichloroacetoacetic acid ethyl ester structure

CAS No.: 3702-98-5

Chemical Name:: 4,4,4-Trichloroacetoacetic acid ethyl ester

Synonyms: ETHYL 4,4,4-TRICHLOROACETOACETATE;ethyl 4,4,4-trichloro-3-oxobutyrate;ethyl 4,4,4-trichloro-3-oxobutanoate;ethyl 4,4,4-trichloro-3-oxo-butanoate;4,4,4-TRICHLOROACETIC ACID ETHYL ESTER;4,4,4-Trichloroacetoacetic acid ethyl ester;4,4,4-Trichloro-3-oxobutyric acid ethyl ester;4,4,4-Trichloro-3-oxobutanoic acid ethyl ester;3-Oxo-4,4,4-trichlorobutanoic acid ethyl ester;4,4,4-trichloro-3-keto-butyric acid ethyl ester

CBNumber:: CB4121969

Molecular Formula:: C6H7Cl3O3

Molecular Weight:: 233.48

MDL Number:: MFCD00043329

MOL File:: 3702-98-5.mol

MSDS File:: SDS

Last updated:2026-09-12 18:52:17

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4,4,4-Trichloroacetoacetic acid ethyl ester Properties

Melting point	126-127.5 °C(Solv: ligroine (8032-32-4))
Boiling point	224-226 °C (lit.)
Density	1.389 g/mL at 20 °C (lit.)
refractive index	n20/D 1.470
form	clear liquid
pka	7.95±0.46(Predicted)
color	Colorless to Almost colorless
BRN	1779520
InChI	1S/C6H7Cl3O3/c1-2-12-5(11)3-4(10)6(7,8)9/h2-3H2,1H3
InChIKey	XGIRWPYENXRJMZ-UHFFFAOYSA-N
SMILES	CCOC(=O)CC(=O)C(Cl)(Cl)Cl
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H227
Precautionary statements	P501-P210-P264-P280-P302+P352-P370+P378-P337+P313-P305+P351+P338-P362+P364-P332+P313-P403+P235
PPE	Eyeshields, Gloves
Safety Statements	23-24/25
WGK Germany	3
HS Code	2918.30.9000
Storage Class	12 - Non Combustible Liquids

4,4,4-Trichloroacetoacetic acid ethyl ester price More Price(27)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	T1285	Ethyl 4,4,4-Trichloroacetoacetate >97.0%(GC)	3702-98-5	10g	$119	2026-04-30	Buy
TCI Chemical	T1285	Ethyl 4,4,4-Trichloroacetoacetate >97.0%(GC)	3702-98-5	25g	$238	2026-04-30	Buy
Usbiological	275939	Ethyl 4,4,4-Trichloroacetoacetate Asreported	3702-98-5	5g	$345	2026-06-03	Buy
Usbiological	275939	Ethyl 4,4,4-Trichloroacetoacetate Asreported	3702-98-5	10g	$488	2026-06-03	Buy
Usbiological	275939	Ethyl 4,4,4-Trichloroacetoacetate Asreported	3702-98-5	25g	$726	2026-06-03	Buy

Product number	Packaging	Price	Buy
T1285	10g	$119	Buy
T1285	25g	$238	Buy
275939	5g	$345	Buy
275939	10g	$488	Buy
275939	25g	$726	Buy

4,4,4-Trichloroacetoacetic acid ethyl ester Chemical Properties, Uses, Production

Uses

Ethyl 4,4,4-Trichloro-3-oxobutanoate is a reagent used in the sunthesis of heterocyclic compounds.

Synthesis Reference(s)

The Journal of Organic Chemistry, 31, p. 3369, 1966 DOI: 10.1021/jo01348a060

4,4,4-Trichloroacetoacetic acid ethyl ester synthesis

Synthesis of 4,4,4-Trichloroacetoacetic acid ethyl ester from Triethyl orthoacetate and Trichloroacetyl chloride

4,4,4-Trichloroacetoacetic acid ethyl ester Preparation Products And Raw materials

Raw materials

Trichloroacetic acid Ethanol ketene Ethoxyethyne Trichloroacetyl chloride

Triethyl orthoacetate

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Preparation Products

2-Oxiranecarboxylicacid, 3-(trichloromethyl)-, ethyl ester ethyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate Ethyl trichloroacetate 3-Carbethoxyumbeliferone

4,4,4-Trichloroacetoacetic acid ethyl ester Suppliers

Global Suppliers ( 67)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Beijing HwrkChemical Technology Co., Ltd	89508211 18501085097	sales.bj@hwrkchemical.com	China	9407	55
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Shanghai Longsheng chemical Co.,Ltd.	58099637 13585536065	sales@shlschem.com	China	9880	59
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
Maya High Purity Chemicals	+86 (573) 82222445 (0)18006601000 452520369	sales@maya-r.com	China	11693	57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66113011 13913916777	cfzhang@aikonchem.com	China	19902	55

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
TCI (Shanghai) Development Co., Ltd.	81
Beijing HwrkChemical Technology Co., Ltd	55
Energy Chemical	61
Shanghai Longsheng chemical Co.,Ltd.	59
Shanghai Hanhong Scientific Co.,Ltd.	64
Syntechem Co.,Ltd	57
Maya High Purity Chemicals	57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	55

4,4,4-Trichloroacetoacetic acid ethyl ester Spectrum

4,4,4-TRICHLOROACETOACETIC ACID ETHYL ESTER(3702-98-5)MS 4,4,4-TRICHLOROACETOACETIC ACID ETHYL ESTER(3702-98-5)¹HNMR 4,4,4-TRICHLOROACETOACETIC ACID ETHYL ESTER(3702-98-5)¹³CNMR 4,4,4-TRICHLOROACETOACETIC ACID ETHYL ESTER(3702-98-5)IR1

3702-98-5 (4,4,4-Trichloroacetoacetic acid ethyl ester) Related Search:

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Dichloroacetaldehyde hydrate 4,4,4-Trichlorobutyric acid 4,4,4-Trichloroacetoacetic acid ethyl ester 1,1,1-Trichloroacetone Ethyl 4-chlorobutyrate

4-Chlorobutyric acid Trichloroacetic acid Methyl 4-chloro-3-oxo-butanoate Methyl 4-chlorobutyrate 4-Chlorobutyl methyl ether

Chloral 1,1-Dichloroacetone

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4,4,4-TRICHLOROACETIC ACID ETHYL ESTER ETHYL 4,4,4-TRICHLOROACETOACETATE ethyl 4,4,4-trichloro-3-oxobutyrate 4,4,4-TRICHLOROACETOACETIC ACID ETHYL ESTER, 97+% 4,4,4-trichloro-3-keto-butyric acid ethyl ester ethyl 4,4,4-trichloro-3-oxobutanoate ethyl 4,4,4-trichloro-3-oxo-butanoate 3-Oxo-4,4,4-trichlorobutanoic acid ethyl ester 4,4,4-Trichloro-3-oxobutanoic acid ethyl ester 4,4,4-Trichloro-3-oxobutyric acid ethyl ester Butanoic acid, 4,4,4-trichloro-3-oxo-, ethyl ester 4,4,4-Trichloroacetoacetic acid ethyl ester 3702-98-5 C6H7Cl3O3 Esters Organic Building Blocks C6 to C7 Carbonyl Compounds Building Blocks C6 to C7 Carbonyl Compounds Esters