s-Methyl thiobutyrate, 99%

About s-Methyl thiobutyrate, 99%

s-Methyl thiobutyrate is an organosulfur compound carrying the CAS registry number 2432-51-1 at a purity of 99%. Formula C5H10OS, molecular weight 118.2 g/mol. Its systematic (IUPAC) name is S-methyl butanethioate. It is also known as Methyl thiobutyrate or Methanethiol butyrate.

The material typically appears as a colourless to light yellow clear liquid. Key physical data: a boiling point of 142 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer s-Methyl thiobutyrate in 5 g and 25 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	s-Methyl thiobutyrate, 99%
Catalogue No.	VQ-010957
CAS Number	2432-51-1
IUPAC name	S-methyl butanethioate
Molecular formula	C₅H₁₀OS
Molecular weight	118.2 g/mol
Exact mass	118.0452
Purity / assay	99%
HSN code	29420090
InChIKey	GRLJIIJNZJVMGP-UHFFFAOYSA-N
SMILES	CCCC(=O)SC
PubChem CID	62444

Physical properties
Physical form	Liquid
Appearance	Colourless to light yellow clear liquid
Boiling point	142 °C
LogP (XLogP3)	1.5
H-bond donors / acceptors	0 / 2
TPSA	42.4 Å²
Synonyms	Methyl thiobutyrate, Methanethiol butyrate, Methyl thiolbutyrate, Butyric acid, thio-, S-methyl ester, 1-(methylsulfanyl)butan-1-one, s-Methyl thiobutanoate, Methanethiol n-butyrate, Methyl thiobutanoate, Thiobutyric Acid S-Methyl Ester, Methane n-thiolbutyrate, Methyl thiobutyrate (natural), S-Methyl butanethioate #

Safety & hazard information (GHS)

Flammable

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor

Precautionary statements: P210, P233, P240, P241, P242, P243, P280, P303 + P361 + P353, P370 + P378, P403 + P235, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of s-Methyl thiobutyrate, 99%?

The CAS Registry Number of s-Methyl thiobutyrate, 99% is 2432-51-1. It is also known as Methyl thiobutyrate, Methanethiol butyrate, Methyl thiolbutyrate.

What is the molecular formula and molecular weight of s-Methyl thiobutyrate, 99%?

s-Methyl thiobutyrate, 99% has the molecular formula C5H10OS and a molecular weight of 118.2 g/mol. Its IUPAC name is S-methyl butanethioate.

Which grade and pack sizes of s-Methyl thiobutyrate, 99% can I order?

We supply s-Methyl thiobutyrate, 99% in (99%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with s-Methyl thiobutyrate, 99%?

Yes. Every lot of s-Methyl thiobutyrate, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can s-Methyl thiobutyrate, 99% be shipped internationally?

Yes. s-Methyl thiobutyrate, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.