Short Description:

  • Chemical Name:1,1-Dimethylurea
  • CAS No.:598-94-7
  • Molecular Formula:C3H8N2O
  • Molecular Weight:88.1093
  • Hs Code.:2924 19 00
  • European Community (EC) Number:209-957-0
  • NSC Number:33603
  • UNII:I988R763P3
  • DSSTox Substance ID:DTXSID0060515
  • Nikkaji Number:J6.794F
  • Wikidata:Q24712449
  • Mol file:598-94-7.mol

Product Detail

Product Tags

1,1-Dimethylurea 598-94-7


Raw Material

Upstream Raw Materials:

❃ N,N,O-trimethyl-isourea
❃ hexane
❃ O-methyl N,N-dimethylthiocarbamate
❃ NCNMe2

Downstream raw materials:

❃ Benzeneacetamide
❃ methylammonium carbonate
❃ methylene-bis(N,N-dimethylurea)

Chemical Property of 1,1-DIMETHYLUREA

● Appearance/Colour:White to off-white crystalline powder
● Vapor Pressure:9.71mmHg at 25°C
● Melting Point:178-183 °C(lit.)
● Refractive Index:1.452
● Boiling Point:130.4 °C at 760 mmHg
● PKA:14.73±0.50(Predicted)
● Flash Point:32.7 °C
● PSA46.33000
● Density:1.023 g/cm3
● LogP:0.32700

● Storage Temp.:Store below +30°C.
● Solubility.:water: soluble5%, clear, colorless
● Water Solubility.:Soluble
● XLogP3:-0.8
● Hydrogen Bond Donor Count:1
● Hydrogen Bond Acceptor Count:1
● Rotatable Bond Count:0
● Exact Mass:88.063662883
● Heavy Atom Count:6
● Complexity:59.8

Safty Information

● Pictogram(s):XiXi
● Hazard Codes:Xi
● Statements:36/37/38
● Safety Statements:26-36


Chemical Classes:Nitrogen Compounds -> Urea Compounds
Canonical SMILES:CN(C)C(=O)N
Uses:1,1-Dimethylurea (N,N-dimethylurea) has been used in the Dowex-50W ion exchange resin-promoted synthesis of N,N′-disubstituted-4-aryl-3,4-dihydropyrimidinones.

Detailed Introduction

1,1-Dimethylurea is a chemical compound with the molecular formula C3H8N2O. It is also known as dimethylurea or DMU. It is a white crystalline powder, easily soluble in water and organic solvents.
1,1-Dimethylurea has various applications in different industries. One of its main uses is as a reagent in organic synthesis. It is commonly used as a source of dimethylamine, an important building block in the production of pharmaceuticals, dyes and other chemicals.
In the pharmaceutical industry, 1,1-dimethylurea is used as a precursor for the synthesis of drugs and drug intermediates.
It can be used as a protective agent for chemically sensitive functional groups during organic reactions. It is also used as a catalyst in certain reactions.
In addition, 1,1-dimethylurea is also used in the synthesis of herbicides and fungicides. It acts as a stabilizer and enhances the performance of these agrochemicals. It is very important to handle 1,1-dimethylurea with care because it is considered harmful if ingested or in contact with the skin or eyes. Appropriate safety precautions should be taken when working with this compound, such as wearing protective equipment and ensuring good ventilation.
In summary, 1,1-dimethylurea is a multifunctional compound that can be applied in organic synthesis, pharmaceuticals, and agrochemicals. Its properties make it useful as a reagent, protectant, and catalyst in a variety of chemical processes.


1,1-Dimethylurea, also known as DMEU, has several important applications in various industries. Here are some notable uses:
Pharmaceutical industry: DMEU is utilized as an intermediate compound in the synthesis of pharmaceuticals. It can act as a reactant in the production of drugs like antipyrine, phenobarbital, and theophylline. DMEU's unique structure allows it to serve as a building block for the formation of complex organic molecules.
Organic synthesis: DMEU is widely employed in organic synthesis as a reagent or solvent. It can participate in various chemical reactions such as condensation, oxidation, and alkylation. DMEU's reactivity and stability make it suitable for a range of reactions to form valuable organic compounds.
Dyestuff industry: DMEU is utilized as a reactive intermediate for manufacturing certain dyes and pigments. Its chemical structure allows it to participate in reactions that result in the formation of vibrant and durable colors. Dye molecules produced using DMEU can be used in textiles, printing inks, and other dyestuff applications.
Polymer industry: DMEU has applications in the production of polymers and resins. It can be used as a cross-linking agent or as a component in the synthesis of polyurethane and epoxy resins. These resins find uses in coatings, adhesives, and various other industries.
Fertilizer industry: DMEU can be used in the formulation of slow-release fertilizers. Its controlled release properties allow for the gradual release of nitrogen, providing plants with a steady supply of nutrients over an extended period.
It is important to note that when working with DMEU or any chemical compound, proper safety precautions and guidelines should be followed to ensure the safety of humans and the environment.

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