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Ethyl 2-pentynoate

Ethyl 2-pentynoate Structure
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:2026-09-12 18:53:49
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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)  Flame (GHS02)Corrosion (GHS05)Health Hazard (GHS08)
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  Xi
Risk Statements  10-43
Safety Statements  16-37/39
RIDADR  UN 3272 3/PG 3
WGK Germany  3
HazardClass  3
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

20635-10-3
55314-57-3
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 Suppliers ( 119)
Supplier Tel Email Country ProdList Advantage
Sichuan Lancent Medical Devices Co., Ltd. 18111675298 stochem@aliyun.com China 215 58
Shanghai Chuen Pharmaceutical Technology Co., Ltd. 18817486326 3237528851@qq.com China 52 58
Anhui Shuoyuan Pharmaceutical Technology R&D Co.,Ltd 05558228005 18151793555 413315120@qq.com China 176 58
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Jia Xing Isenchem Co.,Ltd 0573-85285100 18627885956 isenchem@163.com China 9389 66
Accela ChemBio Co.,Ltd. 021-50795510 4000665055 marketing@accelachem.com China 10972 64
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
T&W GROUP 021-61551611 13296011611 contact@trustwe.com China 9884 58
Supplier Advantage
Sichuan Lancent Medical Devices Co., Ltd. 58
Shanghai Chuen Pharmaceutical Technology Co., Ltd. 58
Anhui Shuoyuan Pharmaceutical Technology R&D Co.,Ltd 58
Alfa Aesar 84
Energy Chemical 61
Jia Xing Isenchem Co.,Ltd 66
Accela ChemBio Co.,Ltd. 64
Syntechem Co.,Ltd 57
Tianjin heowns Biochemical Technology Co., Ltd. 57
T&W GROUP 58

View Latest Price from Ethyl 2-pentynoate manufacturers

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

Ethyl 2-pentynoate Spectrum

ETHYL 2-PENTYNOATE(55314-57-3)1HNMR

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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 Ethyl 2-pentynoate 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