Description

2,2-Dimethyl-5-(Phenylmethylene)-1,3-Dioxane-4,6-Dione is a versatile heterocyclic compound belonging to the class of Meldrum's acid derivatives. This specialized chemical serves as a critical building block in organic synthesis, valued for its unique reactivity as a Michael acceptor and its role in forming complex molecular frameworks. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, cycloadditions, and as a scaffold for constructing heterocyclic compounds.
• Material Science Research: Investigated for the preparation of polymers and functional organic materials with specific properties.
• Academic & R&D: A valuable reagent for methodological studies and exploring new synthetic pathways in university and industrial laboratories.
• Fine Chemical Production: Intermediate in the manufacture of dyes, pigments, and other specialty chemicals.

Basic Information

Product Name	2,2-Dimethyl-5-(Phenylmethylene)-1,3-Dioxane-4,6-Dione
CAS No.	1214-54-6
Molecular Formula	C13H12O4
Molecular Weight	232.23 g/mol
Synonyms	5-Benzylidene-2,2-dimethyl-1,3-dioxane-4,6-dione; 5-(Phenylmethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione; Benzylidene Meldrum's Acid; (Phenylmethylene)dimedone; 2,2-Dimethyl-5-benzylidene-1,3-dioxane-4,6-dione; 5-Benzylidenedimedone; 1214-54-6; NSC 163022
EINECS	214-935-9

Quality Control

Our 2,2-Dimethyl-5-(Phenylmethylene)-1,3-Dioxane-4,6-Dione is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.