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3-Methylthiopropionic acid

3-Methylthiopropionic acid Structure
3-Methylthiopropionic acid structure
CAS No.
646-01-5
Chemical Name:
3-Methylthiopropionic acid
Synonyms
3-(METHYLTHIO)PROPANOIC ACID;Propanoic acid, 3-(methylthio)-;RARECHEM AL BE 0161;4-Thiapentanoic acid;3-METHYLTHIO PROPIONATE;3-METHYTHIOPROPIONIC ACID;3-(methylthio)propionicaci;3-Methylthiopropionic acid;3-(methy1thio)propionic acid;Sugannose Sodium Impurity 59
CBNumber:
CB7385348
Molecular Formula:
C4H8O2S
Molecular Weight:
120.17
MDL Number:
MFCD00059635
MOL File:
646-01-5.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:54:55
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3-Methylthiopropionic acid Properties

Melting point 16°C
Boiling point 130°C 2mm
Density 1.160
refractive index 1.4884
FLAVIS Number 12.183 | 3-(Methylthio)propionic acid
Flash point 130°C/15mm
storage temp. Store at -20°C
form powder to lump to clear liquid
pka 4.29±0.10(Predicted)
color White or Colorless to Light yellow
Odor sweet sulfurous
Water Solubility Water : 25 mg/mL (208.04 mM)
BRN 1743054
InChI InChI=1S/C4H8O2S/c1-7-3-2-4(5)6/h2-3H2,1H3,(H,5,6)
InChIKey CAOMCZAIALVUPA-UHFFFAOYSA-N
SMILES C(O)(=O)CCSC
LogP 0.458 (est)
FDA UNII F523ALI47D

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314-H318
Precautionary statements  P280-P305+P351+P338-P309-P310
Risk Statements  34
Safety Statements  26-36/37/39
RIDADR  3265
HazardClass  8
PackingGroup  II
HS Code  29309090
Limited Quantities 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
0
3 0

3-Methylthiopropionic acid price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical M0811 3-(Methylthio)propionic Acid >98.0%(GC)(T) 646-01-5 25g $51 2026-04-30 Buy
TCI Chemical M0811 3-(Methylthio)propionic Acid >98.0%(GC)(T) 646-01-5 100g $134 2026-04-30 Buy
ChemScene CS-6296 3-(Methylthio)propionic acid ≥98% 646-01-5 100g $42 2026-06-04 Buy
Matrix Scientific 205382 3-(Methythio)propionic acid 646-01-5 100.00g $134 2026-05-18 Buy
ApexBio Technology C7197 3-(Methylthio)propionic acid 646-01-5 100mg $50 2026-05-06 Buy
Product number Packaging Price Buy
M0811 25g $51 Buy
M0811 100g $134 Buy
CS-6296 100g $42 Buy
205382 100.00g $134 Buy
C7197 100mg $50 Buy

3-Methylthiopropionic acid Chemical Properties, Uses, Production

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.

3-Methylthiopropionic acid Preparation Products And Raw materials

Raw materials

3-Mercaptopropionic acid Potassium hydroxide Sodium chloride Diethyl ether Methanol
Magnesium sulfate Iodomethane

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Preparation Products

Ethyl 3-methylthiopropionate

3-Methylthiopropionic acid Suppliers

Global Suppliers ( 168)
Supplier Tel Email Country ProdList Advantage
Sanmenxia Aoke Chemical Industry Co., Ltd. 0398-3711988 13525866741 aokechem@aokeby.com China 217 58
Tianjin Zhongxin Chemtech Co., Ltd. 022-66880623 sales@tjzxchem.com China 612 60
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57
Supplier Advantage
Sanmenxia Aoke Chemical Industry Co., Ltd. 58
Tianjin Zhongxin Chemtech Co., Ltd. 60
J & K SCIENTIFIC LTD. 76
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Beijing Ouhe Technology Co., Ltd 60
Syntechem Co.,Ltd 57
Tianjin heowns Biochemical Technology Co., Ltd. 57
Maya High Purity Chemicals 57

View Latest Price from 3-Methylthiopropionic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-(Methylthio)propionic acid pictures 2026-07-17 3-(Methylthio)propionic acid
646-01-5
 $35.00-81.00 99.63% 10g TargetMol Chemicals Inc.
3-METHYLTHIOPROPIONIC ACID pictures 2024-07-23 3-METHYLTHIOPROPIONIC ACID
646-01-5
 1kg 98% 10ton JINING XINHE CHEMICAL CO., LTD
3-METHYLTHIOPROPIONIC ACID pictures 2019-07-06 3-METHYLTHIOPROPIONIC ACID
646-01-5
 $1.00 1KG 98% 1 Career Henan Chemical Co

3-Methylthiopropionic acid Spectrum

3-METHYLTHIOPROPIONIC ACID(646-01-5)MS3-METHYLTHIOPROPIONIC ACID(646-01-5)1HNMR

646-01-5 (3-Methylthiopropionic acid) Related Search:

Dilauryl thiodipropionate Methyl 2-(methylthio)propionate Ethyl 2-methyl-2-(methylthio)propionate Methyl 3-methylthiopropionate Ethyl 3-methylthiopropionate
2-Methylthiopropionic acid S-ethyl ester

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3-(Methylsulfanyl)propanoic acid 4-Thiapentanoic acid Propionic acid, 3-(methylthio)- 3-METHYTHIOPROPIONIC ACID 3-METHYLTHIO PROPIONATE 3-METHYLMERCAPTOPROPIONIC ACID RARECHEM AL BE 0161 3-METHYLTHIOPROPIONIC ACID 97+% 3-(Methylsulfanyl)propionic acid 3-(Metghylthio)propionic acid 3-(methy1thio)propionic acid 3-(Methylthio)propionicAcid> 3-METHYLTHIOPROPIONIC ACID ISO 9001：2015 REACH 3-(Methylthio)propionic acid (3-Methylsulfanylpropionic acid) 3-(methylthio)propionicaci Sugammadex sodium Impurity 59 Shugeng sodium gluconate impurity 59 Sugannose Sodium Impurity 59 3-(METHYLTHIO)PROPANOIC ACID Propanoic acid, 3-(methylthio)- 3-Methylthiopropionic acid 646-01-5 CH3SCH22CO2H C4H7O2S