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

ALDRICH/280992 - 97%

Synonym: 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione; PTAD

CAS Number: 4233-33-4
Empirical Formula (Hill Notation): C8H5N3O2
Molecular Weight: 175.14
EC Number: 224-191-7
MDL Number: MFCD00003148
Linear Formula: C8H5N3O2
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-280992-1G 1 g
$107.00
1/EA
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45-280992-5G 5 g
$326.00
1/EA
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 280992-5G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 280992-1G

 

assay 97%
form solid
InChI 1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H
InChI key ISULLEUFOQSBGY-UHFFFAOYSA-N
mp 165-170 °C (dec.) (lit.)
Quality Level 100 
SMILES string O=C1N=NC(=O)N1c2ccccc2
storage temp. 2-8°C
Application: 4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) can be used as an efficient and selective reagent for the oxidation of thiols to disulfides.
It can also be used:       
• As a dehydrogenating agent to synthesize annulated dihydropyridazines by inverse [4+2] cycloaddition reaction between cyclic alkenes and 1,2,4,5-tetrazines.       
• As a dienophile to synthesize cycloaddition products by fast hetero-Diels−Alder reactions.       
• As an efficient oxidizing agent for the synthesis of pyridine derivatives from 1,4-dihydropyridines.
• In the synthesis of urazoles via [3+2] cycloaddition with allylsilanes.
Packaging: 1, 5 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 97%
mp 165-170 °C (dec.) (lit.)
Storage Temp. 2-8°C
UNSPSC 12352005

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