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S-Isobutyl chlorothioformate

CAS 14100-99-3(CH3)2CHCH2SCOClChemical Synthesis

S-Isobutyl chlorothioformate (CAS: 14100-99-3), with a molecular weight of 152.64 g/mol, is a sulfur-containing organic building block. This compound is primarily utilised in chemical synthesis for introducing the isobutyloxycarbonylthio group. Its reactivity makes it a valuable intermediate in organic chemistry, particularly for constructing more complex molecules. Tech Serve Solutions supplies this reagent for laboratory and research purposes.

IUPAC
Carbonochloridothioic acid, isobutyl ester (Isobutylthio) carbonyl chloride
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S-Isobutyl chlorothioformate ((CH3)2CHCH2SCOCl) — chemical structure, CAS 14100-99-3; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksSulfur CompoundsThiol Esters
01 /Applications

Organic Synthesis Intermediate

S-Isobutyl chlorothioformate serves as a key intermediate in various organic synthesis pathways. It is employed to introduce specific functional groups in the preparation of diverse chemical compounds.

Thioester Synthesis

This compound is a reactive thioester derivative, useful for the synthesis of more complex thioesters and related sulfur-containing organic molecules. Its structure facilitates specific bond formations in multi-step syntheses.

Reagent in Chemical Research

Utilised as a reagent in academic and industrial research laboratories, S-Isobutyl chlorothioformate aids in exploring new chemical reactions and developing novel materials. Its specific reactivity profile is valuable for targeted chemical transformations.

02 /Properties
Molecular weight152.64
Linear formula(CH3)2CHCH2SCOCl
Assay96%
Density1.098 g/mL at 25 °C
Refractive indexn20/D 1.476
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
GHS hazard pictogram: Toxic (GHS06)
Toxic
Danger

Hazard statements

  • H226Flammable liquid and vapour
  • H314Causes severe skin burns and eye damage
  • H331Toxic if inhaled

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point57 °C / 134.6 °F
Transport (UN / ADR)UN 2920 3(8) / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)T
Risk statements (R)14-23-34
Safety statements (S)26-36/37/39-45
Supplemental hazardsReacts violently with water.

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

04 /Identifiers & registry
CAS number
14100-99-3
MDL number
MFCD08705302
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 S-Isobutyl chlorothioformate used for?

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S-Isobutyl chlorothioformate is used as an intermediate in organic synthesis, particularly for introducing the isobutyloxycarbonylthio group and in the synthesis of thioesters.

What is the CAS number and formula for S-Isobutyl chlorothioformate?

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The CAS number is 14100-99-3 and the linear formula is (CH3)2CHCH2SCOCl.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies S-Isobutyl chlorothioformate with an assay of 96%. We do not represent this product as USP, BP, or EP grade.

How should S-Isobutyl chlorothioformate be handled safely?

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S-Isobutyl chlorothioformate is a flammable liquid and vapour, causes severe skin burns and eye damage, and is toxic if inhaled. It reacts violently with water. Always handle with appropriate personal protective equipment including face shields, goggles, gloves, and a suitable respirator. Ensure adequate ventilation and avoid contact with water.

How is S-Isobutyl chlorothioformate packed and exported?

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S-Isobutyl chlorothioformate is packed and exported according to international shipping regulations for hazardous materials, including UN 2920, Hazard Class 3 (8), Packing Group II.

How can I request a sample or quote for S-Isobutyl chlorothioformate?

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Please contact our sales team or use the online enquiry form to request a sample or a quote for S-Isobutyl chlorothioformate.

Need S-Isobutyl chlorothioformate in a specific grade or volume?