Methyl 3-mercaptopropionate
- CAS No.
- 2935-90-2
- Chemical Name:
- Methyl 3-mercaptopropionate
- Synonyms
- METHYL 3-MERCAPTOPROPANOATE;Methyl 3-sulfanylpropanoate;Methyl mercaptopropionate;3-MERCAPTOPROPIONIC ACID METHYL ESTER;Mercaptomethyl;Methyl 3-thiopropanoate;Methyl 3-mercaptopro;Zavegepant Impurity 61;Methyl 3-Mercaptopropion;Methyl 3-mercaptopropiote
- CBNumber:
- CB3262607
- Molecular Formula:
- C4H8O2S
- Molecular Weight:
- 120.17
- MDL Number:
- MFCD00004895
- MOL File:
- 2935-90-2.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | 38 °C(Solv: ethyl ether (60-29-7); ligroine (8032-32-4)) |
|---|---|
| Boiling point | 54-55 °C/14 mmHg (lit.) |
| Density | 1.085 g/mL at 25 °C (lit.) |
| refractive index |
n |
| Flash point | 140 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | soluble in Chloroform, Ethyl Acetate |
| pka | 9.17±0.25(Predicted) |
| form | Liquid |
| color | Clear colorless |
| Water Solubility | Soluble in water. |
| BRN | 1742952 |
| InChI | 1S/C4H8O2S/c1-6-4(5)2-3-7/h7H,2-3H2,1H3 |
| InChIKey | LDTLDBDUBGAEDT-UHFFFAOYSA-N |
| SMILES | COC(=O)CCS |
| LogP | 0.870 (est) |
| CAS DataBase Reference | 2935-90-2(CAS DataBase Reference) |
| Indirect Additives used in Food Contact Substances | METHYL 3-MERCAPTOPROPIONATE |
| FDA 21 CFR | 175.105; 175.300; 175.320;176.170 |
| FDA UNII | V920F0BCRZ |
| NIST Chemistry Reference | Propanoic acid, 3-mercapto-, methyl ester(2935-90-2) |
| EPA Substance Registry System | Propanoic acid, 3-mercapto-, methyl ester (2935-90-2) |
| UNSPSC Code | 12352103 |
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS06,GHS09 |
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|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H301+H331-H312-H410 | |||||||||
| Precautionary statements | P261-P273-P280-P301+P310-P302+P352+P312-P304+P340+P311 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | T,Xi | |||||||||
| Risk Statements | 22-23-36/37/38 | |||||||||
| Safety Statements | 45-37/39-26 | |||||||||
| RIDADR | UN 1993 3/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | UA2465980 | |||||||||
| F | 13 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29309090 | |||||||||
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
|||||||||
| Hazard Classifications | Acute Tox. 3 Inhalation Acute Tox. 3 Oral Acute Tox. 4 Dermal Aquatic Acute 1 Aquatic Chronic 1 |
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| Hazardous Substances Data | 2935-90-2(Hazardous Substances Data) | |||||||||
| REACH Registrations | Active | |||||||||
| 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 |
|
Methyl 3-mercaptopropionate price More Price(37)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 108987 | Methyl 3-mercaptopropionate 98% | 2935-90-2 | 5g | $65.3 | 2026-04-30 | Buy |
| Sigma-Aldrich | 108987 | Methyl 3-mercaptopropionate 98% | 2935-90-2 | 100g | $82.3 | 2026-04-30 | Buy |
| TCI Chemical | M1434 | Methyl 3-Mercaptopropionate >98.0%(GC) | 2935-90-2 | 25g | $80 | 2026-04-30 | Buy |
| TCI Chemical | M1434 | Methyl 3-Mercaptopropionate >98.0%(GC) | 2935-90-2 | 500g | $414 | 2026-04-30 | Buy |
| TRC | TRC-M320265-50G | Methyl 3-Mercaptopropionate | 2935-90-2 | 50g | $249 | 2026-06-03 | Buy |
Methyl 3-mercaptopropionate Chemical Properties, Uses, Production
Description
Methyl 3-mercaptopropionate is a thiol compound that can be used as a photochemical functionalisation reagent. For example, it enables photochemical functionalisation of 1,4-polymyrcene compounds via the reversibility of thiol-alkene reactions. It is also frequently employed as a spectroscopic probe molecule in molecular dynamics studies.
Chemical Properties
CLEAR COLORLESS LIQUID
Uses
Methyl 3-Mercaptopropionate is used in the synthesis of thioisoindolinones.
Uses
Methyl 3-mercaptopropionate is a click chemistry reagent used in the modification of oxazolines using thiol-ene click modification. It also has implications for self-assembled monolayers (SAMs). It is used in the colorimetric detection of mercury(II) in a high-salinity solution using gold nanoparticles.
Uses
Application
Methyl 3-mercaptopropionate is an important chemical raw material. It is an intermediate for preparing isothiazolinone and a raw material for preparing fine chemical 4-chloro-7-methylthiophene [3,2-D ] pyrimidine. The methyl 3-mercaptopropionate is a raw material for synthesizing a simvastatin side DMB-S-MMP3- [ (2, 2-dimethyl-1-oxobutyl) sulfur ] methyl propionate serving as a blood fat-reducing drug by an enzyme method. Simvastatin is listed in the essential drug list of the World Health Organization and belongs to one of the essential drugs of the basic medical system.
Flammability and Explosibility
Non flammable
Synthesis
The traditional synthetic method of the Methyl 3-mercaptopropionate comprises the steps of adding 2% -5% of concentrated sulfuric acid as a catalyst in an inert atmosphere, refluxing (65-70 ℃) for a reaction for 15 hours, evaporating reaction liquid to remove methanol after the reaction is finished, and then deacidifying; during the deacidification process, a large amount of deionized water is added for water washing, and when the pH of the water washing solution is close to neutrality, the Methyl 3-mercaptopropionate product is obtained by reduced pressure distillation. Another method for preparing Methyl 3-mercaptopropionate is by using a reactive distillation technology. Mix the reactant 3-mercaptopropionic acid and methanol, then perform pre-reaction through a fixed bed reactor filled with a catalyst to obtain a crude product of the methyl 3-mercaptopropionate. The crude product is pumped to the middle part of the reaction rectifying tower by a feeding pump and is input; fresh methanol and a water-carrying agent are input from the lower part of the reaction rectifying tower, a catalyst is arranged at the lower part of the reaction rectifying tower, and unreacted 3-mercaptopropionic acid in the crude product continuously reacts with methanol in a catalyst bed layer of the reaction rectifying tower; after the reaction is finished, excess methanol, water carrying agent and water are extracted from the upper part of the reaction rectifying tower, and the product Methyl 3-mercaptopropionate is extracted from the bottom of the tower.
References
[1] Patent: US2005/49234, 2005, A1. Location in patent: Page/Page column 6
[2] Russian Chemical Bulletin, 2009, vol. 58, # 2, p. 457 - 467
[3] Collection of Czechoslovak Chemical Communications, 1975, vol. 40, p. 3688 - 3697
[4] Bulletin des Societes Chimiques Belges, 1988, vol. 97, # 7, p. 535 - 540
Methyl 3-mercaptopropionate Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai YouPeng Chemical Co. Ltd. | 021-69005955 13701776567; | youpengchem@163.com | China | 4153 | 56 |
| Jingzhou Yinjie Chemical Co., Ltd | 18008658728 | 2718637152@qq.com | China | 2819 | 58 |
| Nanjing Meson Flow Chemistry Sicence.Co.,Ltd | 158-05156173 13851620508 | zhangmeng@mesonflow.com | China | 20 | 58 |
| Zhongsu Supply Chain Management (Shandong) Co.,Ltd. | 15726167122 | zsscm01@163.com | China | 290 | 58 |
| Shandong Qianyuan Polymer Material Co. , Ltd. | 18678041314 18765609661 | 2547772582@qq.com | China | 987 | 58 |
| 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 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| 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 |
View Latest Price from Methyl 3-mercaptopropionate manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-09-02 | Methyl 3-mercaptopropionate
2935-90-2
|
20kg | 95.0% | 10 tons | Qingdao RENAS Polymer Material Co., Ltd. | ||
 |
2026-09-02 | Methyl 3-mercaptopropionate
2935-90-2
|
$1.00-100.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd | ||
 |
2026-08-25 | Methyl 3-mercaptopropionate
2935-90-2
|
$1.10-8.80 | 1kg | 99%，Electronic grade(Metal impurity≤ 100ppb) | 500kg | ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD |
-
- Methyl 3-mercaptopropionate
2935-90-2
- $0.00
- 95.0%
- Qingdao RENAS Polymer Material Co., Ltd.
-
- Methyl 3-mercaptopropionate
2935-90-2
- $1.00-100.00
- 99%
- Henan Fengda Chemical Co., Ltd
-
- Methyl 3-mercaptopropionate
2935-90-2
- $1.10-8.80
- 99%，Electronic grade(Metal impurity≤ 100ppb)
- ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
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