85-98-3 Usage
Chemical Properties
white crystalline powder
Uses
Different sources of media describe the Uses of 85-98-3 differently. You can refer to the following data:
1. 1,3-Diethyl-1,3-diphenylurea is a gunshot residue and a stabilizer for smokeless powder.
2. As stabilizer of smokeless explosives.
General Description
White flakes or white crystalline solid. Peppery odor.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
N,N'-DIETHYL-N,N'-DIPHENYLUREA is an amide. Amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx). N,N'-DIETHYL-N,N'-DIPHENYLUREA is incompatible with acids and oxidizing agents. N,N'-DIETHYL-N,N'-DIPHENYLUREA reacts violently when severely shocked or exposed to extreme temperatures.
Health Hazard
ACUTE/CHRONIC HAZARDS: N,N'-DIETHYL-N,N'-DIPHENYLUREA may react violently when severely shocked or heated to extreme temperatures.
Fire Hazard
N,N'-DIETHYL-N,N'-DIPHENYLUREA is combustible.
Flammability and Explosibility
Nonflammable
Safety Profile
Poison by
intraperitoneal route. Moderately toxic by
ingestion. Combustible when exposed to
heat or flame. Probably a slight explosion
hazard, although it is a component of
smokeless explosive mixtures. When heated o decomposition it burns and emits very
toxic fumes of NOx. To fight fire, use dry
chemical, CO2, spray or mist. An explosion
regulator.
Check Digit Verification of cas no
The CAS Registry Mumber 85-98-3 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 85-98:
(4*8)+(3*5)+(2*9)+(1*8)=73
73 % 10 = 3
So 85-98-3 is a valid CAS Registry Number.
InChI:InChI=1/C17H20N2O/c1-3-18(4-2)17(20)19(15-11-7-5-8-12-15)16-13-9-6-10-14-16/h5-14H,3-4H2,1-2H3
85-98-3Relevant articles and documents
Palladium-catalyzed decarbonylative C–N coupling to convert arylcarbamoyl chlorides to urea derivatives
Fan, Aihong,Peng, Jinsong,Zhou, Dun,Li, Xiang,Chen, Chunxia
supporting information, p. 1 - 12 (2020/07/27)
This paper describes the development of a palladium-catalyzed decarbonylative C–N coupling reaction that transforms arylcarbamoyl chlorides into tetrasubstituted ureas under a nitrogen atmosphere. A broad range of functional groups are compatible with this reaction, and diverse urea derivatives can be obtained with good to high yields.
PHASE-TRANSFER CATALYZED N-ALKYLATION OF sym-N,N'-DIARYLUREAS
Kalkote, U. R.,Choudhary, A. R.,Ayyangar, N. R.
, p. 83 - 87 (2007/10/03)
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