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Ethyl 3-mercaptopropionate

Ethyl 3-mercaptopropionate Structure
Ethyl 3-mercaptopropionate structure
CAS No.
5466-06-8
Chemical Name:
Ethyl 3-mercaptopropionate
Synonyms
ethyl 3-mercaptopropanoate;Propanoic acid, 3-mercapto-, ethyl ester;3-MERCAPTOPROPIONIC ACID ETHYL ESTER;FEMA 3677;Ethyl 3-sulfanylpropanoate;5466/6/8 0:00:00;3-sulfanylpropanoate;Ethyl-3-thiopropionate;Ethyl 3-Mercaptopropiote;Ethyl β-mercaptopropionate
CBNumber:
CB9153644
Molecular Formula:
C5H10O2S
Molecular Weight:
134.2
MDL Number:
MFCD00004896
MOL File:
5466-06-8.mol
MSDS File:
SDS
Last updated:2026-05-28 04:13:01
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Ethyl 3-mercaptopropionate Properties

Boiling point 75-76 °C/10 mmHg(lit.)
Density 1.059 g/mL at 20 °C(lit.)
refractive index n20/D 1.457(lit.)
FEMA 3677 | ETHYL 3-MERCAPTOPROPIONATE
FLAVIS Number 12.083 | Ethyl 3-mercaptopropionate
Flash point 72°C
form Liquid
pka 9.72±0.10(Predicted)
color Clear colorless to yellow, may darken during storage
Odor at 0.10 % in propylene glycol. animal foxy fruity grape skunky
Odor Type sulfurous
JECFA Number 553
Stability Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
LogP 1.40
Substances Added to Food (formerly EAFUS) ETHYL 3-MERCAPTOPROPIONATE
CAS DataBase Reference 5466-06-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 22GQZ8P70D
NIST Chemistry Reference Propanoic acid, 3-mercapto-, ethyl ester(5466-06-8)
EPA Substance Registry System Ethyl 3-mercaptopropionate (5466-06-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H319-H335-H315
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36/37/39
TSCA  TSCA listed
HS Code  29309090
NFPA 704
2
1 0

Ethyl 3-mercaptopropionate price More Price(33)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical M1038 Ethyl 3-Mercaptopropionate >98.0%(GC) 5466-06-8 25g $67 2026-04-30 Buy
TCI Chemical M1038 Ethyl 3-Mercaptopropionate >98.0%(GC) 5466-06-8 100g $172 2026-04-30 Buy
Usbiological 449115 Ethyl 3-Mercaptopropanoate 5466-06-8 10g $403 2026-06-03 Buy
Usbiological 449115 Ethyl 3-Mercaptopropanoate 5466-06-8 25g $496 2026-06-03 Buy
TRC TRC-E932340-25G Ethyl 3-Mercaptopropanoate 5466-06-8 25g $199 2026-06-03 Buy
Product number Packaging Price Buy
M1038 25g $67 Buy
M1038 100g $172 Buy
449115 10g $403 Buy
449115 25g $496 Buy
TRC-E932340-25G 25g $199 Buy

Ethyl 3-mercaptopropionate Chemical Properties, Uses, Production

Chemical Properties

colourless liquid with an unpleasant smell

Chemical Properties

Ethyl 3-mercaptopropionate has a skunk, meaty odor.

Occurrence

Reported found in Vitis labrusca and mountain papaya (C. pubescens).

Uses

Ethyl 3-Mercaptopropanoate is a useful synthetic intermediate. It can be used to prepare acylaminobutyldecahydroisoquinolines with HIV protease-inhibiting activities. It can also be used to prepare new anti-MRSA cephalosporins (cephalosporins C zinc salt, C258750).

Definition

ChEBI: Ethyl 3-mercaptopropanoic acid is a carboxylic ester.

Ethyl 3-mercaptopropionate synthesis

64-17-5
107-96-0
5466-06-8
Synthesis of Ethyl 3-mercaptopropionate from Ethanol and 3-Mercaptopropionic acid

Ethyl 3-mercaptopropionate Preparation Products And Raw materials

Raw materials

Preparation Products

4,5-Difluoroindoline-2,3-dione

Ethyl 3-mercaptopropionate Suppliers

Global Suppliers ( 227)
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
Shanghai Rory Fine Chemical Co., Ltd 0086-21-50702305 rorychem@hotmail.com China 18 65
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
ShangHai DEMO Chemical Co.,Ltd 400-021-7337 2355568890 sales@demochem.com China 2569 57
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Shijiazhuang Lida Chemical Co., Ltd. +86 (311) 8573-7996 service@lid-ff.cn China 294 65
Spectrum Chemical Manufacturing Corp. 021-021-021-67601398-809-809-809 15221380277 marketing_china@spectrumchemical.com China 9643 60
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Shanghai Rory Fine Chemical Co., Ltd 65
TCI (Shanghai) Development Co., Ltd. 81
ShangHai DEMO Chemical Co.,Ltd 57
Energy Chemical 61
Beijing Ouhe Technology Co., Ltd 60
Shandong Xiya Chemical Co., Ltd 57
Shijiazhuang Lida Chemical Co., Ltd. 65
Spectrum Chemical Manufacturing Corp. 60

View Latest Price from Ethyl 3-mercaptopropionate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Ethyl 3-mercaptopropionate pictures 2026-09-02 Ethyl 3-mercaptopropionate
5466-06-8
 $6.00 1KG 99% Henan Fengda Chemical Co., Ltd
Ethyl 3-mercaptopropionate pictures 2026-03-20 Ethyl 3-mercaptopropionate
5466-06-8
 $10.00 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
Ethyl 3-mercaptopropionate pictures 2025-06-20 Ethyl 3-mercaptopropionate
5466-06-8
 1KG 98% 800KG/Month Hebei Yanxi Chemical Co., Ltd.

Ethyl 3-mercaptopropionate Spectrum

Ethyl 3-mercaptopropionate(5466-06-8)MSEthyl 3-mercaptopropionate(5466-06-8)1HNMREthyl 3-mercaptopropionate(5466-06-8)13CNMREthyl 3-mercaptopropionate(5466-06-8)IR1

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3-Mercaptopropanoic acid ethyl ester 3-mercapto-propanoicaciethylester Ethyl beta-mercaptopropionate Propionic acid, 3-mercapto-, ethyl ester ETHYL 3-MERCAPTOPROPIONATE Ethyl 3-Mercaptopropionate 96.0+% GC Ethyl β-mercaptopropionate Ethyl 3-mercaptopropionate,99% 3-sulfanylidenepropanoic acid ethyl ester Ethyl-3-thiopropionate Ethyl 3-Mercaptopropionate, 98.0%(GC) Ethyl 3-Mereaptopropionate Ethyl3-Mercaptopropionate> Ethyl 3-mercaptopropionate USP/EP/BP 5466/6/8 0:00:00 CAS No.5466-06-8 Ethyl 3-mercaptopropionate 3-sulfanylpropanoate Ethyl 3-mercaptopropionateethyl Ethyl 3-Mercaptopropiote 3-MERCAPTOPROPIONIC ACID ETHYL ESTER Ethyl 3-sulfanylpropanoate ethyl 3-mercaptopropanoate FEMA 3677 Propanoic acid, 3-mercapto-, ethyl ester 5466-06-8 5466-6-8 5466-06-08 1302615 1302-61-5 546-06-8 HSCH2CH2CO2C2H5 ester Flavor