4-METHYL-1,2,4-TRIAZOLINE-3,5-DIONE

CAS NO.：13274-43-6
Empirical Formula: C3H3N3O2
Molecular Weight: 113.07
MDL number: MFCD00013440
SAFETY DATA SHEET (SDS)
Update Date: 2023-04-23 13:52:06

What is 4-METHYL-1,2,4-TRIAZOLINE-3,5-DIONE?

The Uses of 4-METHYL-1,2,4-TRIAZOLINE-3,5-DIONE

4-METHYL-1,2,4-TRIAZOLINE-3,5-DIONE is a dienophile used in the partial elucidation of Trichogramma putative sex pheromone at trace levels.

Synthesis Reference(s)

The Journal of Organic Chemistry, 31, p. 3444, 1966 DOI: 10.1021/jo01348a532
Synthetic Communications, 17, p. 409, 1987 DOI: 10.1080/00397918708063918

Purification Methods

MTAD is obtained as pink needles by sublimation at 40-50o/0.1mm (see 4-phenyl-1,2,4-triazoline-3,5-dione, PTAD below). [Cookson et al. Org Synth 51 121 1971, Cheng et al. J Org Chem 49 2910 1984, Beilstein 26 III/IV 538.]

Properties of 4-METHYL-1,2,4-TRIAZOLINE-3,5-DIONE

Melting point:	107-109 °C(lit.)
Boiling point:	137.5±23.0 °C(Predicted)
Density	1.71±0.1 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
solubility	DMSO (Slightly), Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol
form	Solid
pka	-3.61±0.20(Predicted)
color	Pink to Dark Pink
Stability:	Hygroscopic, Temperature Sensitive, Unstable in Solution

Safety information for 4-METHYL-1,2,4-TRIAZOLINE-3,5-DIONE

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.