Name | 1,3-dimethyl-1,3-diphenylurea |
Synonyms | Centralite II centralite-II METHYL CENTRALITE sym-Dimethyldiphenylurea N,N'-DIMETHYLCARBANILIDE N,N-DIMETHYL CARBANILIDE Carbanilide, N,N'-dimethyl- 1,3-DIMETHYL-1,3-DIPHENYLUREA N,N-Dimethyl-N,N-diphenylurea 1,3-dimethyl-1,3-diphenylurea N,N'-DIMETHYL-N,N'-DIPHENYLUREA N,N'-Dimethyl-N,N'-diphenylharnstoff |
CAS | 611-92-7 |
EINECS | 210-283-4 |
InChI | InChI=1/C15H16N2O/c1-16(13-9-5-3-6-10-13)15(18)17(2)14-11-7-4-8-12-14/h3-12H,1-2H3 |
Molecular Formula | C15H16N2O |
Molar Mass | 240.3 |
Density | 1.0611 (rough estimate) |
Melting Point | 120-122°C(lit.) |
Boling Point | 383.02°C (rough estimate) |
Flash Point | 142.6°C |
Water Solubility | 76.42mg/L at 20℃ |
Vapor Presure | 0.001Pa at 25℃ |
pKa | 0.68±0.50(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.6390 (estimate) |
Use | Stabilizers for smokeless propellants, explosives, nitrides and smokeless fuels, as well as intermediates for Fine Chemicals |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
WGK Germany | 2 |
RTECS | FE0600000 |
N,N'-Dimethyl-N,N'-diphenylurea is a white crystalline solid. It is a non-metallic heat-insulating material with good thermal conductivity, and it is an important organic amine compound.
N,N'-Dimethyl-N,N'-diphenylurea is mainly used as an intermediate in the chemical industry and finds wide applications in rubber, dyes, pigments, pharmaceuticals, and light-initiator fields. It can also be used as a catalyst or additive in organic synthesis to promote reaction rates or improve reaction yields.
The synthesis of N,N'-Dimethyl-N,N'-diphenylurea involves the reaction of methylated isocyanate ester with diphenylamine under alkaline conditions. This synthetic method is straightforward, operates under mild conditions, and yields are relatively high.
In the industrial production and use of N,N'-Dimethyl-N,N'-diphenylurea, precautionary measures should be taken to avoid skin and eye contact, inhalation, or ingestion. In case of accidental contact, wash with plenty of water immediately and seek medical assistance. Additionally, it should be stored in a cool and dry place, away from oxidizing agents, strong acids, and bases, to ensure safe handling.
LogP | 2.82 at 25℃ |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
uses | stabilizers for smokeless propellants, explosives, nitrides and smokeless fuels, also used for intermediates in Fine Chemicals |