646-01-5

Basic information

• Product Name: 3-METHYLTHIOPROPIONIC ACID
• Synonyms: 3-(Methylsulfanyl)propanoic acid;4-Thiapentanoic acid;Propanoic acid, 3-(methylthio)-;Propionic acid, 3-(methylthio)-;3-METHYTHIOPROPIONIC ACID;3-METHYLTHIO PROPIONATE;3-METHYLTHIOPROPIONIC ACID;3-METHYLMERCAPTOPROPIONIC ACID
• CAS NO: 646-01-5
• Molecular Formula: C₄H₈O₂S
• Molecular Weight: 120.17
• EINECS: 211-460-9
• Mol File: 646-01-5.mol
• Article Data: 20

Chemical Properties

• Melting Point: 16°C
• Boiling Point: 130°C 2mm
• Flash Point: 130°C/15mm
• Appearance: /
• Density: 1.160
• Vapor Pressure: 0.00741mmHg at 25°C
• Refractive Index: 1.4884
• PKA: 4.29±0.10(Predicted)
• BRN: 1743054
• CAS DataBase Reference: 3-METHYLTHIOPROPIONIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 3-METHYLTHIOPROPIONIC ACID(646-01-5)
• EPA Substance Registry System: 3-METHYLTHIOPROPIONIC ACID(646-01-5)

Safety Data

• Statements: 34
• Safety Statements: 26-36/37/39
• RIDADR: 3265
• HazardClass: 8
• PackingGroup: II
• Hazardous Substances Data: 646-01-5(Hazardous Substances Data)

Usage

Chemical Properties

Colorless liquid

Definition

ChEBI: A thia fatty acid acid consisting of propionic acid with a methylthio substituent at the 3-position; an intermediate in mammalian methionine metabolism in vitro. The simplest known phytotoxin, it is a blight-inducing toxin produced by the cass va pathogen Xanthomonas campestris manihotis.

InChI:InChI=1/C4H8O2S/c1-7-3-2-4(5)6/h2-3H2,1H3,(H,5,6)/p-1

Upstream product

• 74-93-1 methylthiol 
• 107-13-1 acrylonitrile 
• 2373-51-5 chloro-methylsulfanyl-methane 
• 54974-63-9 3-(methylthio)propionitrile 
• 868-84-8 S,S-dimethyl dithiocarbonate 
• 79-10-7 acrylic acid 
• 41320-26-7 S-(n-Butyl)-S-methyl dithiocarbonate 
• 107-96-0 3-mercaptopropionic acid 
• 74-88-4 methyl iodide 
• 550-44-7 N-methylphthalimide 
• 107-94-8 chloropropionic acid 
• 69884-58-8 trichloromethyl peroxyl 
• 590-92-1 3-Bromopropionic acid 
• 5188-07-8 sodium thiomethoxide 

Downstream Products

• 13327-56-5 3-(methylthio)propanoic acid ethyl ester 
• 74-93-1 methylthiol 
• 75-18-3 dimethylsulfide 
• 7031-23-4 3-(methylthio)propionyl chloride 
• 69884-58-8 CCl₃O₂^(1-) 
• 13532-18-8 methyl 3-(methylthio)propionate 
• 4337-33-1 (2‐carboxyethyl)dimethylsulfonium chloride 
• 1229649-53-9 N-(4-((4-(3-(3-tert-butyl-1-p-tolyl-1H-pyrazol-5-yl)ureido)naphthalen-1-yloxy)methyl)pyridin-2-yl)-3-(methylthio)propanamide 
• 1203661-73-7 N-[1-(4-trifluoromethoxylphenyl)-1H-4,5,6,7-tetrahydroindazol-4-yl]-3-methylsulfanylpropionamide 
• 256409-22-0 4-(3-bromo phenyl amine)-6-(3-methylthio propionyl amine)-quinazoline 
• 712270-05-8 N-(2'-anilino-4,4'-bipyridin-2-yl)-3-(methylthio)propanamide 

Relevant articles and documents

Preparation method of (2-carboxyethyl) dimethyl sulfonium chloride

The invention belongs to the technical field of feed additives, and particularly relates to a preparation method of (2-carboxyethyl) dimethyl sulfonium chloride, which comprises the following steps: (1) dissolving 3-bromopropionic acid in an organic solvent under stirring conditions, adding sodium methyl mercaptide, carrying out heating reaction, adding water after the reaction finishes, regulating the pH value to 5-6 with hydrochloric acid, and extracting with ethyl acetate; washing an ethyl acetate layer with water after liquid separation, and carrying out rotary evaporation to remove ethylacetate and water to obtain an intermediate 3-(methylthio) propionic acid; and (2) under a stirring condition, adding the intermediate 3-(methylthio) propionic acid synthesized in the step (1) into ethyl acetate, cooling to below 2 DEG C in an ice bath, introducing chloromethane to react, carrying out suction filtration and drying after the reaction is finished to obtain a 2-(carboxyethyl) dimethyl sulfonium bromide crude product, and recrystallizing with absolute ethyl alcohol to obtain the target product (2-carboxyethyl) dimethyl sulfonium chloride. The method is environmentally friendly andeasier to operate, the yield of the synthesized (2-carboxyethyl) dimethyl sulfonium chloride is high, a foul smell pollution production process is abandoned, and the body health of production personnel is guaranteed.

Chemical differentiation of three DMSP lyases from the marine: Roseobacter group

Dimethylsulfoniopropionate (DMSP) catabolism of marine bacteria plays an important role in marine and global ecology. The genome of Ruegeria pomeroyi DSS-3, a model organism from the Roseobacter group, harbours no less than three genes for different DMSP lyases (DddW, DddP and DddQ) that catalyse the degradation of DMSP to dimethyl sulfide (DMS) and acrylate. Despite their apparent similar function these enzymes show no significant overall sequence identity. In this work DddQ and DddW from R. pomeroyi and the DddP homolog from Phaeobacter inhibens DSM 17395 were functionally characterised and their substrate scope was tested using several synthetic DMSP analogues. Comparative kinetic assays revealed differences in the conversion of DMSP and its analogues in terms of selectivity and overall velocity, giving additional insights into the molecular mechanisms of DMSP lyases and into their putatively different biological functions.

ONIUM SALT, LIQUID COMPOSITION CONTAINING SAID ONIUM SALT AND CELLULOSE, AND CELLULOSE RECOVERY METHOD

The invention relates to an onium salt, a liquid composition containing the onium salt and cellulose, and a method for recovering cellulose. The invention makes it possible to provide an onium salt having an extremely high ability to dissolve cellulose at temperatures of 100° C. or lower. It also makes it possible to provide a liquid composition containing this onium salt and cellulose, as a composition suitable for the recovery of cellulose, and a method for recovering cellulose efficiently by using such a liquid composition containing the onium salt and cellulose.