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2-Methyl-1-butanethiol

CAS 1878-18-8C2H5CH(CH3)CH2SHChemical Synthesis

2-Methyl-1-butanethiol (CAS: 1878-18-8; Formula: C2H5CH(CH3)CH2SH; MW: 104.21) is a sulfur-containing organic compound. It is a clear, colourless liquid noted for its characteristic pungent odour. This thiol is primarily utilised as a building block in chemical synthesis and as a reagent in organic chemistry research. Its properties make it valuable for introducing thiol functionalities into more complex molecules.

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2-Methyl-1-butanethiol (C2H5CH(CH3)CH2SH) — chemical structure, CAS 1878-18-8; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksSulfur CompoundsThiols/Mercaptans
01 /Applications

Chemical Synthesis Intermediate

2-Methyl-1-butanethiol serves as a versatile intermediate in the synthesis of various organic compounds. It is employed to introduce sulphur-containing groups into molecules, which can be crucial for altering chemical and physical properties.

Organic Building Block

As an organic building block, this thiol is used in the construction of more complex molecular architectures. Its reactive thiol group allows for diverse derivatization pathways in research and development settings.

Laboratory Reagent

In academic and industrial laboratories, 2-Methyl-1-butanethiol functions as a reagent for specific chemical transformations. Its availability supports a range of research applications within organic chemistry.

02 /Properties
Molecular weight104.21
Linear formulaC2H5CH(CH3)CH2SH
Assay95%
Boiling point116-117 °C(lit.)
Density0.848 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.447(lit.)
Vapour pressure41.4 mmHg (37.7 °C)
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Danger

Hazard statements

  • H225Highly flammable liquid and vapour
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point19 °C / 66.2 °F
Transport (UN / ADR)UN 1111 3 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)F,Xi
Risk statements (R)11-36/37/38
Safety statements (S)16-26-33

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
1878-18-8
MDL number
MFCD00004883
PubChem substance
24851469
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 2-Methyl-1-butanethiol used for?

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2-Methyl-1-butanethiol is primarily used as a building block in chemical synthesis and as a reagent in organic chemistry research. It is valuable for introducing thiol functionalities into molecules.

What are the CAS number and chemical formula for 2-Methyl-1-butanethiol?

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The CAS number for 2-Methyl-1-butanethiol is 1878-18-8, and its chemical formula is C2H5CH(CH3)CH2SH.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 2-Methyl-1-butanethiol with an assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade; it is suitable for research and general chemical synthesis purposes.

What are the key safety hazards associated with 2-Methyl-1-butanethiol?

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2-Methyl-1-butanethiol is a highly flammable liquid and vapour (H225). It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area.

How is 2-Methyl-1-butanethiol packed and exported?

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2-Methyl-1-butanethiol is typically supplied in quantities suitable for laboratory and industrial use. As a global supplier, Tech Serve Solutions adheres to all relevant shipping regulations for the export of hazardous chemicals, including UN 1111, Hazard Class 3, Packing Group II.

How can I request a quote or sample?

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To request a quote or sample of 2-Methyl-1-butanethiol, please contact our sales team via the website or by phone. Specify the required quantity and your delivery location.

Need 2-Methyl-1-butanethiol in a specific grade or volume?