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ETHYL 2-PENTYNOATE

ETHYL 2-PENTYNOATE structure

CAS No.: 55314-57-3

Chemical Name:: ETHYL 2-PENTYNOATE

Synonyms: ethyl pent-2-ynoate;2-Pentynoic acid ethyl ester;NSC 190964;2-PENTYNOATE;pent-2-ynoate;ETHYL 2-PENTYNOATE;TIMTEC-BB SBB008819;Ethyl 2-pentynoate 97%;Ethyl2-pentynoate,98+%;ethyl pent-2-yn-1-oate

CBNumber:: CB6139548

Molecular Formula:: C7H10O2

Molecular Weight:: 126.15

MDL Number:: MFCD00015221

MOL File:: 55314-57-3.mol

MSDS File:: SDS

Last updated:2026-05-28 01:28:52

Product description	Number	Pack Size	Price
Ethyl 2-pentynoate 97%	632112	5g	$95.9
Ethyl 2-Pentynoate, 98%	81351	10G	$189.16
ethyl pent-2-ynoate 97%	E86962	5g	$30
ethyl pent-2-ynoate 97%	E86962	10g	$50
ethyl pent-2-ynoate 97%	E86962	25g	$120
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ETHYL 2-PENTYNOATE Properties

Boiling point	178-179 °C (lit.)
Density	0.957 g/mL at 25 °C (lit.)
refractive index	n20/D 1.439(lit.)
Flash point	102 °F
storage temp.	2-8°C
Specific Gravity	0.957
Appearance	Colorless to light yellow Liquid
Water Solubility	Not miscible in water.
BRN	1750016
InChI	InChI=1S/C7H10O2/c1-3-5-6-7(8)9-4-2/h3-4H2,1-2H3
InChIKey	XDPRPKSTFBPPHU-UHFFFAOYSA-N
SMILES	C(OCC)(=O)C#CCC
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS05,GHS08

Signal word

Danger

Hazard statements

H226-H318-H334

Precautionary statements

P261-P280-P305+P351+P338-P342+P311

PPE

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Codes

Risk Statements

10-43

Safety Statements

16-37/39

RIDADR

UN 3272 3/PG 3

WGK Germany

HazardClass

PackingGroup

III

HS Code

29161900

Storage Class

3 - Flammable liquids

Hazard Classifications

Eye Dam. 1
Flam. Liq. 3
Resp. Sens. 1

Limited Quantities

5.0 L (1.3 gallons) (liquid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	2
0		0

ETHYL 2-PENTYNOATE price More Price(25)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	632112	Ethyl 2-pentynoate 97%	55314-57-3	5g	$95.9	2026-04-30	Buy
GFS CHEMICALS	81351	Ethyl 2-Pentynoate, 98%	55314-57-3	10G	$189.16	2026-06-03	Buy
Synthonix	E86962	ethyl pent-2-ynoate 97%	55314-57-3	5g	$30	2026-05-06	Buy
Synthonix	E86962	ethyl pent-2-ynoate 97%	55314-57-3	10g	$50	2026-05-06	Buy
Synthonix	E86962	ethyl pent-2-ynoate 97%	55314-57-3	25g	$120	2026-05-06	Buy

Product number	Packaging	Price	Buy
632112	5g	$95.9	Buy
81351	10G	$189.16	Buy
E86962	5g	$30	Buy
E86962	10g	$50	Buy
E86962	25g	$120	Buy

ETHYL 2-PENTYNOATE Chemical Properties,Uses,Production

Uses

Ethyl 2-pentynoate is used as pharmaceutical intermediate.

ETHYL 2-PENTYNOATE synthesis

Synthesis of ETHYL 2-PENTYNOATE from Ethyl 2-pentynyl ether, 97%

ETHYL 2-PENTYNOATE Preparation Products And Raw materials

Raw materials

Pentanoic acid,3-oxo-2-(triphenylphosphoranylidene)-, ethyl ester Pentanoic acid, 3,3-difluoro-, ethyl ester Ethyl 2-pentynyl ether, 97% 2-PENTYNOIC ACID Ethyl chloroformate

Ethanol Ethyl propionylacetate Iodoethane Ethyl propiolate

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Preparation Products

ETHYL 2-PENTYNOATE Suppliers

Global( 120)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
career henan chemical co	+86-0371-86658258	factory@coreychem.com	China	29780	58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.	+86-021-61551413	contact@trustwe.com	China	5757	58
Neostar United (Changzhou) Industrial Co., Ltd.	+86-0519-85551759	marketing1@neostarunited.com	China	8827	58
Finetech Industry Limited	+86-27-8746-5837 +86-18627785180	info@finetechnology-ind.com	China	9539	58
Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20000	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850 +8619957148339	market18@leapchem.com	China	24569	58
Henan Aochuang Chemical Co.,Ltd.	+86-0371-63689365 +8618638391208	sales@aochuangchem.com	China	9322	58
Aladdin Scientific		tp@aladdinsci.com	United States	54746	58
Suzhou ARTK Medchem Co., Ltd.	+86-18168183658	sales1@artkmedchem.com	China	39007	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43392	58

Supplier	Advantage
career henan chemical co	58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.	58
Neostar United (Changzhou) Industrial Co., Ltd.	58
Finetech Industry Limited	58
Alfa Chemistry	58
HANGZHOU LEAP CHEM CO., LTD.	58
Henan Aochuang Chemical Co.,Ltd.	58
Aladdin Scientific	58
Suzhou ARTK Medchem Co., Ltd.	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58

View Lastest Price from ETHYL 2-PENTYNOATE manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-04-04	ETHYL 2-PENTYNOATE 55314-57-3		1kg	98%	1Ton	Henan Aochuang Chemical Co.,Ltd.
	2020-02-18	ETHYL 2-PENTYNOATE 55314-57-3	$7.00	1KG	99%	100kg	Career Henan Chemical Co

ETHYL 2-PENTYNOATE
55314-57-3
98%
Henan Aochuang Chemical Co.,Ltd.

ETHYL 2-PENTYNOATE
55314-57-3
$7.00
99%
Career Henan Chemical Co

ETHYL 2-PENTYNOATE Spectrum

ETHYL 2-PENTYNOATE(55314-57-3)¹HNMR

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ETHYL 2-PENTYNOATE TIMTEC-BB SBB008819 ethyl pent-2-yn-1-oate Ethyl2-pentynoate,98+% Ethyl 2-pentynoate 97% NSC 190964 2-PENTYNOATE ETHYL 2-PENTYNOATE, 98%ETHYL 2-PENTYNOATE, 98%ETHYL 2-PENTYNOATE, 98%ETHYL 2-PENTYNOATE, 98% pent-2-ynoate ethyl pent-2-ynoate - [E86962] 2-Pentynoic acid ethyl ester ethyl pent-2-ynoate 55314-57-3 CH3CH2CCCO2CH2CH3 CH3CH2CCCOOC2H5 Organic Building Blocks Esters Building Blocks C6 to C7 Carbonyl Compounds Building Blocks C6 to C7 Carbonyl Compounds Chemical Synthesis Organic Building Blocks C6 to C7 Carbonyl Compounds Esters