Description

1-Hydroxymethyl-5,5-Dimethylhydantoin is a versatile organic compound belonging to the hydantoin class, valued for its dual functionality as a reactive intermediate and a source of formaldehyde. This matters for industries requiring controlled, in-situ release of formaldehyde for cross-linking, preservation, or synthesis. It is primarily needed by manufacturers in the personal care, polymer, textile, and water treatment sectors seeking efficient and stable formaldehyde donor systems.

Application

• Personal Care Preservative: Acts as a formaldehyde-releasing agent in cosmetics, shampoos, and lotions for broad-spectrum antimicrobial protection.
• Cross-linking Agent: Used in resin and polymer production, including urea-formaldehyde and melamine-formaldehyde resins, to enhance durability and water resistance.
• Textile Finishing: Imparts wrinkle resistance, shrinkage control, and durable press properties to fabrics.
• Paper & Pulp Industry: Serves as a wet-strength additive and biocide in papermaking processes.
• Water Treatment: Functions as a slimicide and biocide in industrial cooling water and process systems.
• Chemical Synthesis: A key intermediate for producing other specialty chemicals, pharmaceuticals, and agrochemicals.
• Adhesive Formulation: Enhances the performance and stability of industrial adhesives and binders.

Basic Information

Product Name	1-Hydroxymethyl-5,5-Dimethylhydantoin
CAS No.	116-25-6
Molecular Formula	C6H10N2O3
Molecular Weight	158.16 g/mol
Synonyms	DMDM Hydantoin; 1,3-Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione; 1-(Hydroxymethyl)-5,5-dimethylhydantoin; Dantoin® DMDMH; Glydant®; N,N'-Bis(hydroxymethyl)-5,5-dimethylhydantoin; 5,5-Dimethyl-1,3-bis(hydroxymethyl)hydantoin; 1,3-Dihydroxymethyl-5,5-dimethylhydantoin
EINECS	204-132-5

Quality Control

Our 1-Hydroxymethyl-5,5-Dimethylhydantoin is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, formaldehyde content, and impurity profiles are available upon request to support your quality assurance protocols.

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 strong oxidizing agents, strong acids, and strong bases. Under recommended storage conditions, the product is stable.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Formaldehyde Content	Contact for details
Water Content (KF)	≤ 1.0%
Melting Point	98 - 102 °C
Heavy Metals (as Pb)	≤ 10 ppm

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