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CAS

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4088-54-4

(2E)-1-(methylsulfanyl)but-2-ene, also known as 2-methylthiobut-2-ene, is an organic compound with the molecular formula C5H10S. It is a colorless liquid with a pungent odor and is classified as an alkene, which means it contains a carbon-carbon double bond. (2E)-1-(methylsulfanyl)but-2-ene should be handled with care, as it can be irritating to the eyes and skin, and it should be stored in a cool, dry place away from heat and sources of ignition.

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  • 4088-54-4 Structure

  • Basic information

    1. Product Name: (2E)-1-(methylsulfanyl)but-2-ene
    2. Synonyms: (2E)-1-(Methylsulfanyl)-2-butene; 1-(Methylthio)-2-butene; trans-1-(Methylthio)-2-butene
    3. CAS NO:4088-54-4
    4. Molecular Formula: C5H10S
    5. Molecular Weight: 102.1979
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 4088-54-4.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 119.6°C at 760 mmHg
    3. Flash Point: 18.1°C
    4. Appearance: N/A
    5. Density: 0.861g/cm3
    6. Vapor Pressure: 18.9mmHg at 25°C
    7. Refractive Index: 1.472
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: (2E)-1-(methylsulfanyl)but-2-ene(CAS DataBase Reference)
    11. NIST Chemistry Reference: (2E)-1-(methylsulfanyl)but-2-ene(4088-54-4)
    12. EPA Substance Registry System: (2E)-1-(methylsulfanyl)but-2-ene(4088-54-4)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 4088-54-4(Hazardous Substances Data)

4088-54-4 Usage

Uses

Used in Food Industry:
(2E)-1-(methylsulfanyl)but-2-ene is used as a flavoring agent for its distinctive aroma and taste, enhancing the sensory experience of various food products.
Used in Fragrance Production:
(2E)-1-(methylsulfanyl)but-2-ene is used as a chemical intermediate in the production of fragrances, contributing to the creation of unique and complex scents for a wide range of applications.
Used in Chemical Synthesis:
(2E)-1-(methylsulfanyl)but-2-ene serves as a chemical intermediate in the synthesis of various organic compounds, facilitating the development of new products and materials across different industries.

Check Digit Verification of cas no

The CAS Registry Mumber 4088-54-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,8 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4088-54:
(6*4)+(5*0)+(4*8)+(3*8)+(2*5)+(1*4)=94
94 % 10 = 4
So 4088-54-4 is a valid CAS Registry Number.

4088-54-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name (2E)-1-(Methylsulfanyl)-2-butene

1.2 Other means of identification

Product number -
Other names trans-1-methylthio-2-butene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4088-54-4 SDS

4088-54-4Relevant articles and documents

Structure-Stability Relationships in Vinyl Sulfides. III. Stabilization Caused by Different Alkylthio and Phenylthio Groups Attached to an Olefinic Double Bond

Kimmelma, Reijo

, p. 550 - 555 (2007/10/02)

The stabilization energies of different alkylthio and phenylthio groups attached to an olefinic double bond have been evaluated with respect to the energy differences of the isomerization reactions of some unsaturated sulfides, in which the double bond migrates from the β,γ- to the α,β-position.According to these results the stabilization energies (in kJ mol-1) are: MeS 15.6, EtS 14.8, i-PrS 15.7, t-BuS 17.5 and PhS 14.4

The Stabilization due to the Methyl Group in RSCH2CH=CHCH3

Kimmelma, Reijo

, p. 344 - 347 (2007/10/02)

Equilibrium constants for the isomerization reactions have been measured and the energy differences of the isomers have been calculated.According to these results a methyl group stabilizes the double bond by 12.8(5) kJ mol-1 and the RSCH2CH3 cis interaction is 3.7(4) kJ mol-1.

Homogenous Catalysis. Production of Allyl Alkyl Sulphides by Palladium Mediated Allylation

Auburn, Pamela R.,Whelan, John,Bosnich, B.

, p. 146 - 147 (2007/10/02)

The use of O-allyl S-alkyl dithiocarbonate substrates in palladium mediated catalytic allylation gives carbonyl sulphide and allyl alkyl sulphides with net retention of configuration and their use obviates the problems associated with sulphur nucleophiles in catalytic allylation.

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