Dimethylurea

Dimethylurea (DMU) (IUPAC systematic name: 1,3-Dimethylurea ) is a urea derivative and used as an intermediate in organic synthesis. It is a colorless crystalline powder with little toxicity.

Dimethylurea
Skeletal formula of dimethylurea
Ball and stick model of dimethylurea
Names
Preferred IUPAC name
N,N′-Dimethylurea
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.272
EC Number
  • 202-498-7
KEGG
MeSH 1,3-dimethylurea
RTECS number
  • YS9868000
UNII
  • InChI=1S/C3H8N2O/c1-4-3(6)5-2/h1-2H3,(H2,4,5,6) checkY
    Key: MGJKQDOBUOMPEZ-UHFFFAOYSA-N checkY
  • CNC(=O)NC
Properties
C3H8N2O
Molar mass 88.110 g·mol−1
Appearance Colorless, waxy crystals
Odor Odorless
Density 1.142 g mL−1
Melting point 104.4 °C; 219.8 °F; 377.5 K
Boiling point 269.1 °C; 516.3 °F; 542.2 K
765 g L−1
-55.1·10−6 cm3/mol
Thermochemistry
−312.1–−312.1 kJ mol−1
−2.0145–−2.0089 MJ mol−1
Hazards
GHS labelling:
H373
P260, P314, P501
Flash point 157 °C (315 °F; 430 K)
Lethal dose or concentration (LD, LC):
4 g kg−1 (oral, rat)
Related compounds
Related ureas
 Carmustine
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Uses

1,3-Dimethylurea is used for synthesis of caffeine, theophylline, pharmachemicals, textile aids, herbicides and others.[1] In the textile processing industry 1,3-dimethylurea is used as intermediate for the production of formaldehyde-free easy-care finishing agents for textiles. The estimated world production of DMU is estimated to be less than 25,000 tons.

References
  1. http://www.inchem.org/documents/sids/sids/96311.pdf Archived 2015-09-24 at the Wayback Machine SIDS Initial Assessment Report
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