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3-Ethyl-1,1-diphenylurea

HCID 28929
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Basic information

CAS
18168-01-9
Standard SMILES
CCNC(=O)N(c1ccccc1)c1ccccc1
InChIKey
DIPWJRHVODJXKP-UHFFFAOYSA-N
Molecular formula
C15H16N2O
Average molar mass
240.3 g/mol
Monoisotopic mass
240.12626314

Names & identifiers

Preferred name
3-Ethyl-1,1-diphenylurea
IUPAC
3-ethyl-1,1-diphenylurea
English name
3-ethyl-1,1-diphenylurea
Molecular formula
C15H16N2O
Molecular weight
240.30034

Names & synonyms

3-Ethyl-1,1-diphenylureaN'-Ethyl-N,N-diphenylurea18168-01-9Urea, N'-ethyl-N,N-diphenyl-EINECS 242-052-9DTXSID7074874Urea, 3-ethyl-1,1-diphenyl-RefChem:501247DTXCID3035769242-052-9Akardite IIIN56KCM8XN8
Show more names
1-Ethyl-3,3-diphenylurea
CBDivE_013832orb3030677SCHEMBL1400657Urea, N,N-diphenyl-N'-ethyl-HMS1665L04Fr135343-Ethyl-1,1-diphenylurea, 99%CCG-54958

Database identifiers

CAS
18168-01-9
PubChem CID
28929
DTXSID
DTXSID7074874
UNII
N56KCM8XN8
EC Number
242-052-9
Nikkaji
J260.906A

Properties

Computed structural properties

XLogP
2.9
Topological polar surface area
32.3 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
1
Rotatable bonds
3
Heavy atoms
18
Formal charge
0
Complexity
237

Physicochemical properties

Melting point
73.1 °C · 73.1°C
Boiling point
383.02 °C · 383.02°C (rough estimate)
Density
1.0611 · 1.0611 (rough estimate)
refractive index
1.639 · 1.6390 (estimate)
EPA Substance Registry System
N'-Ethyl-N,N-diphenylurea (18168-01-9)

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Hazard information

Fire HazardsFlash point data for this chemical are not available. It is probably combustible. (NTP, 1992)
Reactive GroupAmides and Imides
Reactivity Profile · 1 item

N'-ETHYL-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).

Air and Water ReactionsNo rapid reaction with air. No rapid reaction with water.

Safety & protection

Fire FightingFires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
First Aid · 1 item

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Nonfire Spill ResponseSTORAGE PRECAUTIONS: You should store this material in a refrigerator. (NTP, 1992)

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Compound notes

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Personal Protective Equipment (PPE) · 1 item

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)