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2,3-DIMETHYL-2-BUTANETHIOL, with the chemical formula C6H14S, is a colorless liquid characterized by a strong, unpleasant odor. It is recognized for its powerful, onion-like aroma, which makes it a valuable component in various applications.

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  • 1639-01-6 Structure
  • Basic information

    1. Product Name: 2,3-DIMETHYL-2-BUTANETHIOL
    2. Synonyms: 1,1,2-Trimethylpropyl hydrosulfide;2-butanethiol,2,3-dimethyl-;2,3-DIMETHYL-2-BUTANETHIOL;2,3-dimethylbutane-2-thiol
    3. CAS NO:1639-01-6
    4. Molecular Formula: C6H14S
    5. Molecular Weight: 118.24
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1639-01-6.mol
  • Chemical Properties

    1. Melting Point: -113.76°C (estimate)
    2. Boiling Point: 150.86°C (estimate)
    3. Flash Point: 14.7°C
    4. Appearance: /liquid (estimate)
    5. Density: 0.8408 (estimate)
    6. Vapor Pressure: 23.8mmHg at 25°C
    7. Refractive Index: 1.4287 (estimate)
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. PKA: 11.29±0.10(Predicted)
    11. CAS DataBase Reference: 2,3-DIMETHYL-2-BUTANETHIOL(CAS DataBase Reference)
    12. NIST Chemistry Reference: 2,3-DIMETHYL-2-BUTANETHIOL(1639-01-6)
    13. EPA Substance Registry System: 2,3-DIMETHYL-2-BUTANETHIOL(1639-01-6)
  • 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: 1639-01-6(Hazardous Substances Data)

1639-01-6 Usage

Uses

Used in the Food Industry:
2,3-DIMETHYL-2-BUTANETHIOL is used as a flavoring agent for its distinctive onion-like aroma, enhancing the taste and aroma of various food products.
Used in the Fragrance Industry:
In the production of fragrances, 2,3-DIMETHYL-2-BUTANETHIOL serves as a key ingredient, contributing to the creation of unique and complex scents.
Used in Organic Synthesis:
2,3-DIMETHYL-2-BUTANETHIOL is utilized as a reagent or intermediate in organic synthesis, playing a crucial role in the production of various chemical compounds.
Safety Measures:
Due to its flammable nature and potential harmful effects if inhaled, swallowed, or absorbed through the skin, it is essential to handle 2,3-DIMETHYL-2-BUTANETHIOL with proper safety precautions. Additionally, it should be stored away from incompatible materials and sources of ignition to prevent hazards.

Check Digit Verification of cas no

The CAS Registry Mumber 1639-01-6 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 1639-01:
(6*1)+(5*6)+(4*3)+(3*9)+(2*0)+(1*1)=76
76 % 10 = 6
So 1639-01-6 is a valid CAS Registry Number.
InChI:InChI=1/C6H14S/c1-5(2)6(3,4)7/h5,7H,1-4H3

1639-01-6SDS

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 2,3-dimethylbutane-2-thiol

1.2 Other means of identification

Product number -
Other names thexyl mercaptan

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:1639-01-6 SDS

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