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1639-05-0

2-Pentanethiol, 4-methyl-, also known as 4-methyl-2-pentanethiol or (2S)-4-methylpentan-2-thiol, is an organic compound with the chemical formula C6H14S. It is a colorless liquid with a strong, unpleasant odor, and it is a chiral molecule, meaning it has two enantiomers. This thiol is a derivative of pentane, with a thiol group (-SH) replacing one of the hydrogen atoms on the second carbon and a methyl group (-CH3) attached to the fourth carbon. It is used as a synthetic intermediate in the production of various chemicals, pharmaceuticals, and agrochemicals, as well as a flavoring agent in the food industry. Due to its strong odor, it is also used in the detection of natural gas leaks.

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  • 1639-05-0 Structure

  • Basic information

    1. Product Name: 2-Pentanethiol, 4-methyl-
    2. Synonyms: 2-Pentanethiol, 4-methyl-;4-Methyl-2-pentanethiol
    3. CAS NO:1639-05-0
    4. Molecular Formula: C6H14 S
    5. Molecular Weight: 118.24
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1639-05-0.mol

  • Chemical Properties

    1. Melting Point: -113.76°C (estimate)
    2. Boiling Point: 150.86°C (estimate)
    3. Flash Point: N/A
    4. Appearance: /liquid (estimate)
    5. Density: 0.8408 (estimate)
    6. Refractive Index: 1.4289 (estimate)
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. PKA: 10.85±0.10(Predicted)
    10. CAS DataBase Reference: 2-Pentanethiol, 4-methyl-(CAS DataBase Reference)
    11. NIST Chemistry Reference: 2-Pentanethiol, 4-methyl-(1639-05-0)
    12. EPA Substance Registry System: 2-Pentanethiol, 4-methyl-(1639-05-0)

  • 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: 1639-05-0(Hazardous Substances Data)

1639-05-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1639-05-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1639-05:
(6*1)+(5*6)+(4*3)+(3*9)+(2*0)+(1*5)=80
80 % 10 = 0
So 1639-05-0 is a valid CAS Registry Number.
InChI:InChI=1S/C6H14S/c1-5(2)4-6(3)7/h5-7H,4H2,1-3H3

1639-05-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-methyl-2-pentanethiol

1.2 Other means of identification

Product number -
Other names 4-Methyl-pentanthiol-(2)

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:1639-05-0 SDS

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