N,n-dimethylurea

CAS Number
598-94-7
EC Number
209-957-0
Chemical Formula
C3H8N2O
Molecular Weight
88.11 g/mol

Description

N,N-Dimethylurea (CAS 598-94-7), also recognized commercially as 1,1-dimethylurea and asym-Dimethylurea, is a substituted urea derivative used across pharmaceutical synthesis, agrochemical production, and polymer chemistry. It functions primarily as a solvent, reaction intermediate, and plasticizing agent in industrial formulations. In pharmaceutical and biotechnology manufacturing, it serves as a solvent and carrier in synthesis routes.

This compound is preferred where standard urea would introduce unwanted reactivity. Agrochemical formulators use it as a building block in the production of herbicides and plant growth regulators, particularly within the phenylurea class. In polymer and resin systems, it acts as a plasticizer and softener, improving flexibility and processability in certain thermoset formulations. It also finds use in buffering and pH-control applications.

These applications are common within biological media and research-grade formulations. The product is supplied as a white crystalline solid or powder, ensuring ease of handling during the manufacturing process. Technical and research grades are the most commonly available, with purity levels typically ranging from 98% to 99%+ for synthesis and laboratory applications. This ensures high performance in sensitive chemical reactions.

Packaging options generally range from small quantities for R&D use to bulk quantities for industrial procurement. This flexibility allows for seamless integration into both pilot-scale and full-scale production lines.

Other Names (Synonyms)

1,1-dimethylurea|Urea, N,N-dimethyl-|asym-Dimethylurea|Urea, 1,1-dimethyl-|I988R763P3|RefChem:71116|Dimethyl Urea

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 182 °C
Boiling Point 163.08°C (rough estimate)
Density 1.255 g/cm³
Appearance White to off-white crystalline powder
Color White to off-white
Form Crystalline Powder
Water Solubility Soluble
Vapor Pressure 0.008Pa at 25℃
Refractive Index 1.4715 (estimate)
Log P -4.6 at 20℃

Documentation

Safety & Handling Learn More

Warning
GHS07· Irritant

Hazard Statements

H315 H315
H319 H319
H335 H335

Precautionary Statements

P261 P261
P264 P264
P271 P271
P280 P280

Trade & Regulatory

HS Code 29241990
WGK (Germany) 3
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