4-Phenyl-1,2,4-triazoline-3,5-dione

CAS 4233-33-4C8H5N3O2Chemical Synthesis

4-Phenyl-1,2,4-triazoline-3,5-dione (CAS: 4233-33-4), with the molecular formula C8H5N3O2 and a molecular weight of 175.14 g/mol, is a highly reactive heterocyclic compound. It serves as an efficient reagent for the oxidation of thiols to disulfides and is utilised in the synthesis of urazoles via [3+2] cycloaddition reactions. Supplied by Tech Serve Solutions at 97% purity, this compound is essential for various chemical synthesis applications.

IUPAC: 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione,PTAD
Synonyms: 5-dione4233-33-4C8H5N3O24-Phenyl-3H-1,2,4-triazole-3,5(4H)-dionePTAD

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4-Phenyl-1,2,4-triazoline-3,5-dione (C8H5N3O2) — chemical structure, CAS 4233-33-4; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHeterocyclic Building BlocksTriazoles

01 /Applications

Thiol Oxidation

4-Phenyl-1,2,4-triazoline-3,5-dione is an effective reagent for the selective oxidation of thiols, converting them into their corresponding disulfides. This transformation is valuable in organic synthesis and biochemistry.

Urazole Synthesis

This compound participates in [3+2] cycloaddition reactions with allylsilanes, enabling the synthesis of urazole derivatives. These heterocyclic structures can serve as intermediates in further chemical transformations.

Heterocyclic Building Block

As a triazole derivative, 4-Phenyl-1,2,4-triazoline-3,5-dione functions as a versatile building block in the construction of more complex heterocyclic molecules.

02 /Properties

Molecular weight	175.14
Empirical formula	C8H5N3O2
Assay	97%
Storage temperature	2-8°C
Application	An efficient and selective reagent for the oxidation of thiols to disulfides.1 Synthesis of urazoles via [3+2] cycloaddition with allylsilanes.2
Melting point	165-170 °C (dec.)(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

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

04 /Identifiers & registry

CAS number

4233-33-4

MDL number

MFCD00003148

PubChem substance

24856961

Beilstein registry

141548

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 4-Phenyl-1,2,4-triazoline-3,5-dione used for?

4-Phenyl-1,2,4-triazoline-3,5-dione is primarily used as an efficient reagent for the oxidation of thiols to disulfides and in the synthesis of urazoles via [3+2] cycloaddition with allylsilanes.

What is the CAS number and formula for 4-Phenyl-1,2,4-triazoline-3,5-dione?

The CAS number is 4233-33-4, and the empirical formula is C8H5N3O2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4-Phenyl-1,2,4-triazoline-3,5-dione at a purity of 97%. This product is not supplied as USP, BP, EP, or other pharmacopoeial grades.

How should 4-Phenyl-1,2,4-triazoline-3,5-dione be handled?

Handling requires appropriate personal protective equipment, including eyeshields and gloves. A respirator filter such as type N95 (US) or type P1 (EN143) is recommended. Store at 2-8°C.

Is 4-Phenyl-1,2,4-triazoline-3,5-dione a controlled substance?

Based on the provided data, there is no indication that 4-Phenyl-1,2,4-triazoline-3,5-dione is a controlled substance.

How is this chemical packed and exported?

This chemical is packed and exported according to industry standards for fine chemicals, ensuring safe transport. Please contact us for specific export details.