Description

5,5-Dimethylhydantoin is a versatile heterocyclic organic compound widely used as a key intermediate and functional additive. Its value lies in its stability and reactivity, serving as a crucial building block for synthesizing more complex molecules and as an active component in industrial formulations. This product is essential for manufacturers in the pharmaceutical, agrochemical, personal care, and polymer industries seeking reliable, high-purity raw materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including certain anticonvulsants and antimicrobial agents.
• Chlorine Stabilizer: Used in swimming pools, spas, and industrial water treatment systems to stabilize chlorine, reducing its degradation from UV light and extending its sanitizing efficacy.
• Biocide & Disinfectant Precursor: Serves as a starting material for manufacturing halogenated hydantoins, such as DMDMH (Dantoin®), which are broad-spectrum biocides and preservatives.
• Personal Care Preservative: Derivatives like DMDMH are commonly used as formaldehyde-releasing preservatives in cosmetics, shampoos, and lotions.
• Agrochemical Synthesis: An important intermediate in the production of certain herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Employed in the synthesis of specialty polymers, coatings, and adhesives to impart specific properties like improved stability or functionality.
• Electroplating Additive: Used in certain electroplating baths to improve the quality and brightness of metal deposits.
• Chemical Research & Development: A valuable reagent in organic synthesis for constructing heterocyclic compounds in academic and industrial R&D settings.

Basic Information

Item	Details
Product Name	5,5-Dimethylhydantoin
CAS No.	77-71-4
Molecular Formula	C5H8N2O2
Molecular Weight	128.13 g/mol
Synonyms	DMH; 5,5-Dimethyl-2,4-imidazolidinedione; Hydantoin, 5,5-dimethyl-; Dantoin® (base compound); NSC 3062; 5,5-Dimethylglycolylurea; 5,5-Dimethylimidazolidine-2,4-dione
EINECS	201-053-2

Quality Control

Our 5,5-Dimethylhydantoin is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, melting point, and loss on drying. Our quality commitment supports applications requiring high-purity intermediates, including those for pharmaceutical and personal care end-uses.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	174 - 178 °C
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 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.