S-Methyl ethanethioate

Basic Information

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CAS Number

1534-08-3

Molecular Formula

C3H6OS

Molecular Weight

90.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

97～99℃

Boiling Point

98°C

Refractive Index

n/D 1.464

SMILES

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CSC(=O)C

InChI

InChI=1S/C3H6OS/c1-3(4)5-2/h1-2H3

InChIKey

OATSQCXMYKYFQO-UHFFFAOYSA-N

LogP

0.8958999999999999

Topological Polar Surface Area

17.07 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

42.2

Safety Information

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Hazard Statement

H225 Highly Flammable liquid and vapor
Flammable liquids

H311 Toxic in contact with skin
Acute toxicity, dermal

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H332 Harmful if inhaled
Acute toxicity, inhalation

Hazard Class

Class 3 Class 3

Synonyms & References

English

S-Methyl thioacetate
Thioacetic acid S-methyl ester
Methyl thioacetate
S-Methyl thioacetateneat
S-methyl ethanethioate
1-Methyl sulfanyl ethanone
FEMA 3876
CH3C(O)SCH3
Methyl thiolacetate
S-METHYL ACETOTHIOACETATE
S-Methyl thioacetate, 97+%
S-Methyl thioacetate, 98+%
Methylthioacetate
Ethanethioic acid, S-methyl ester
Methanethiol acetate
methyl ethanethioate
S-METHYLTHIOACETATE
Acetic acid, thio-, S-methyl ester
PF2D4MWX79
Ethanethioic acid, methyl ester
OATSQCXMYKYFQO-UHFFFAOYSA-N
AcSMe
S-Methyl ethanethioate #
KSC493A2H
1-(methylsulfanyl)ethan-1-one
Thioacetic Acid S-Methyl Ester
METHYL THIOACETATE
S-METHYL THIOACETATE
S-METHYL ETHANETHIOATE
S-Methyl Thioacetate

MDL Number

MFCD00014989

Customs Code

2930909090

FAQ

What are the physical and chemical properties of S-Methyl ethanethioate (CAS: 1534-08-3)?

S-Methyl ethanethioate (CAS: 1534-08-3) is a colorless to slightly yellow liquid with a slightly pungent odor. It has a molecular weight of approximately 116.15 g/mol and a boiling point of 92-93°C. This compound is slightly soluble in water but miscible with ethanol and other organic solvents. It is moderately reactive, particularly towards nucleophiles, and can undergo hydrolysis to form thiols and carboxylic acids.

How is S-Methyl ethanethioate (CAS: 1534-08-3) typically synthesized?

S-Methyl ethanethioate can be synthesized by the reaction of ethanethiol with methyl iodide in the presence of a base such as potassium carbonate. The reaction is typically conducted in a solvent like acetonitrile at room temperature. High yields are achieved with good selectivity towards the desired product. This method is widely used due to its simplicity and good control over the reaction conditions.

What industries use S-Methyl ethanethioate (CAS: 1534-08-3)?

S-Methyl ethanethioate (CAS: 1534-08-3) is used in various industries, including pharmaceuticals for the synthesis of certain drugs, polymers for modification and functionalization, and as a reagent in analytical chemistry for sensor applications. Its reactivity and ability to form stable products make it valuable in semiconductor processing for etching and deposition.

What precautions should be taken when handling S-Methyl ethanethioate (CAS: 1534-08-3)?

When handling S-Methyl ethanethioate (CAS: 1534-08-3), proper personal protective equipment (PPE) such as gloves and safety goggles should be worn. It should be used in a well-ventilated area or a fume hood to minimize exposure. Spills should be cleaned up immediately using appropriate absorbent materials. In case of contact, rinse the affected area with water. Always refer to the Safety Data Sheet (SDS) for detailed emergency procedures and storage guidelines.