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3,4-Dichloro-1,2,5-thiadiazole

CAS 5728-20-1C2Cl2N2SChemical Synthesis

3,4-Dichloro-1,2,5-thiadiazole (CAS: 5728-20-1; Formula: C2Cl2N2S) is a halogenated heterocyclic compound with a molecular weight of 155.01 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly in the preparation of complex thiadiazole derivatives. Its applications include its use as a guest molecule in solid-state NMR studies and in the synthesis of piperazine-containing thiadiazole compounds. Tech Serve Solutions supplies this reagent for research and development purposes.

Synonyms
5-thiadiazoleC2Cl2N2S
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3,4-Dichloro-1,2,5-thiadiazole (C2Cl2N2S) — chemical structure, CAS 5728-20-1; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisHalogenated HeterocyclesHeterocyclic Building BlocksThiadiazoles
01 /Applications

Solid-State NMR Investigations

3,4-Dichloro-1,2,5-thiadiazole has been utilized as a guest molecule to study the solid-state 13C NMR spectra of inclusion compounds. This research aids in understanding molecular interactions within crystalline structures.

Synthesis of Heterocyclic Compounds

This compound is employed in the preparation of novel [1,2,5]thiadiazol-3-yl-piperazine derivatives. These structures are of interest for their potential pharmacological properties.

Chemical Synthesis Building Block

As a halogenated heterocycle, 3,4-Dichloro-1,2,5-thiadiazole acts as a versatile intermediate in the synthesis of more complex organic molecules.

02 /Properties
Molecular weight155.01
Empirical formulaC2Cl2N2S
Assay97%
Boiling point158 °C(lit.)
Density1.648 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.561(lit.)
Application3,4-Dichloro-1,2,5-thiadiazole has been employed:• as guest molecule to investigate solid-state 13C NMR spectra of inclusion compounds of 2,6-dimethyl-bicyclo[3.3.1]nonane-exo-2-exo-6-diol with small organic molecules1• in preparation of [1,2,5]thiadiazol-3-yl-piperazine compounds2
03 /Safety & handling
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentEyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Water hazard class (WGK, DE)2
Hazard codes (EU)Xi
Risk statements (R)36/37/38
Safety statements (S)26-37/39

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

04 /Identifiers & registry
CAS number
5728-20-1
MDL number
MFCD00010072
PubChem substance
24855668
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 are the primary uses of 3,4-Dichloro-1,2,5-thiadiazole?

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3,4-Dichloro-1,2,5-thiadiazole is primarily used as a building block in chemical synthesis, notably in the preparation of heterocyclic compounds and for solid-state NMR studies of inclusion complexes.

What is the CAS number and molecular formula for 3,4-Dichloro-1,2,5-thiadiazole?

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The CAS number is 5728-20-1, and the molecular formula is C2Cl2N2S.

What grade and purity does Tech Serve Solutions supply for 3,4-Dichloro-1,2,5-thiadiazole?

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Tech Serve Solutions supplies 3,4-Dichloro-1,2,5-thiadiazole with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.

How should 3,4-Dichloro-1,2,5-thiadiazole be handled safely?

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3,4-Dichloro-1,2,5-thiadiazole is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray.

How is 3,4-Dichloro-1,2,5-thiadiazole packed, shipped, and exported?

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3,4-Dichloro-1,2,5-thiadiazole is carefully packed according to international shipping regulations. Tech Serve Solutions, as a specialist global supplier and exporter since 1998, can facilitate international shipments.

How can I request a sample or quote for 3,4-Dichloro-1,2,5-thiadiazole?

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To request a sample or a quote for 3,4-Dichloro-1,2,5-thiadiazole, please use the contact form on our website or call our sales department directly.

Need 3,4-Dichloro-1,2,5-thiadiazole in a specific grade or volume?