Grundinformationen
- CAS
622-51-5- Standard-SMILES
Cc1ccc(NC(N)=O)cc1- InChIKey
DMSHKWHLXNDUST-UHFFFAOYSA-N- Summenformel
- C8H10N2O
- Durchschnittliche Molmasse
- 150,18 g/mol
- Monoisotopische Masse
- 150,07931294
Überblick
P-tolylurea appears as colorless crystals. (NTP, 1992)
Namen und Bezeichner
- Bevorzugter Name
- N-(4-Methylphenyl)urea
- IUPAC
- (4-methylphenyl)urea
- Lokaler Name
- (4-Methylphenyl)harnstoff
- Englischer Name
- p-Tolylurea
- Summenformel
- C8H10N2O
- Molmasse
- 150.18
Namen und Synonyme
P-TOLYLUREA622-51-54-Methylphenylureap-Tolylcarbamide4-TolylureaN-(4-Methylphenyl)ureaUrea, p-tolyl-Urea, (4-methylphenyl)-1-(4-methylphenyl)ureap-methylphenylureaNCI-C02153DTXSID7021366
Weitere Namen anzeigen
NSC 66557p-tolyl-ureAKOS B028828Urea, p-tolyl.PARA-TOLYLUREAp-tolycarbamide
JCJ6M4A3I5DTXCID901366N-P-TOLYLUREANSC-66557RefChem:169400210-739-21-(p-Tolyl)urea(4-Methylphenyl)urea
Datenbank-Bezeichner
- CAS
622-51-5- PubChem CID
- 12148
- DTXSID
DTXSID7021366- ChEMBL
CHEMBL3187464- UNII
- JCJ6M4A3I5
- EC Number
- 210-739-2
- Nikkaji
- J30.211B
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 1,1
- Polarare Oberfläche (TPSA)
- 55,1 Ų
- H-Brücken-Donoren
- 2
- H-Brücken-Akzeptoren
- 1
- Frei drehbare Bindungen
- 1
- Schwere Atome
- 11
- Formalladung
- 0
- Komplexität
- 139
Experimentelle und physikochemische Eigenschaften
LogP0.8
SolubilitySlightly soluble in hot water (NTP, 1992)
Melting Point361 °F (NTP, 1992)
Physical DescriptionP-tolylurea appears as colorless crystals. (NTP, 1992)
Physikochemische Eigenschaften
- Schmelzpunkt
- 178 · 178-181 °C
- Siedepunkt
- 255 ℃ · 255℃
- Dichte
- 1.192 · 1.192
- Brechungsindex
- 1.618 · 1.6180 (estimate)
- Flammpunkt
- 108 ℃ · 108℃
- storage temp.
- 2 · 2-8°C
- Aggregatzustand
- powder to crystal
- pka
- 14.61 · 14.61±0.50(Predicted)
- Farbe
- White to Almost white
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
Danger
H301 (97.5%): Toxic if swallowed [Danger Acute toxicity, oral]
P264, P270, P301+P316, P321, P330, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 40 reports by companies from 2 notifications to the ECHA C&L Inventory.
Gefahrenhinweise
Health HazardsACUTE/CHRONIC HAZARDS: Slightly toxic. Hazardous decomposition products. (NTP, 1992)
Reactive GroupAmides and Imides
Reactivity Profile
P-TOLYLUREA 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 ReactionsSlightly soluble in hot water.
Hazard Classes and CategoriesAcute Tox. 3 (97.5%)
Sicherheit und Schutzausrüstung
Fire Fighting
This compound is not very flammable but any fire involving this compound may produce dangerous vapors. You should evacuate the area. All firefighters should wear full-body protective clothing and use self-contained breathing apparatuses. You should extinguish any fires involving this chemical with a dry chemical, carbon dioxide, foam, or halon extinguisher. (NTP, 1992)
Chemie und Industrie
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