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Cas Database |
| Name |
4-Tolylurea |
EINECS | N/A |
| CAS No. | 622-51-5 | Density | 1.192 |
| PSA | 55.12000 | LogP | 2.25890 |
| Solubility | 3.07g/L(45 oC) | Melting Point |
178-181 °C
|
| Formula | C8H10 N2 O | Boiling Point | 255℃ |
| Molecular Weight | 150.18 | Flash Point | 108℃ |
| Transport Information | N/A | Appearance | beige crystalline powder |
| Safety | Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic data. When heated to decomposition it emits toxic fumes of NOx. | Risk Codes | R33 |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Urea,(4-methylphenyl)- (9CI); Urea, p-tolyl- (6CI,7CI,8CI); 1-(4-Methylphenyl)urea;4-Methylphenylurea; 4-Tolylurea; N-(4-Methylphenyl)urea; N-p-Tolylurea; NSC66557; p-Methylphenylurea; p-Tolylcarbamide; p-Tolylurea |
Article Data | 72 |
4-Tolylurea Chemical Properties
Product Name: 4-Tolylurea (CAS NO.622-51-5)
Molecular Formula: C8H10N2O
Molecular Weight: 150.18g/mol
Mol File: 622-51-5.mol
Einecs: 210-739-2
Appearance: Colorless crystals
Melting Point: 178-181 °C
Storage Temperature: 255.1 °C at 760 mmHg
Flash Point: 108.1 °C
Density: 1.192 g/cm3
Surface Tension: 51.7 dyne/cm
Enthalpy of Vaporization: 51.7 dyne/cm
Vapour Pressure: 0.0166 mmHg at 25°C
XLogP3-AA: 1.1
H-Bond Donor: 2
H-Bond Acceptor: 1
Structure Descriptors of 4-Tolylurea (CAS NO.622-51-5):
IUPAC Name: (4-methylphenyl)urea
Canonical SMILES: CC1=CC=C(C=C1)NC(=O)N
InChI: InChI=1S/C8H10N2O/c1-6-2-4-7(5-3-6)10-8(9)11/h2-5H,1H3,(H3,9,10,11)
InChIKey: DMSHKWHLXNDUST-UHFFFAOYSA-N
4-Tolylurea Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LDLo | intraperitoneal | 232mg/kg (232mg/kg) | BEHAVIORAL: GENERAL ANESTHETIC BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Journal of Pharmacology and Experimental Therapeutics. Vol. 54, Pg. 188, 1935. |
4-Tolylurea Safety Profile
Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic data. When heated to decomposition it emits toxic fumes of NOx.
Safety Information of 4-Tolylurea (CAS NO.622-51-5):
Risk Statements: 33
33: Danger of cumulative effects
Safety Statements: 24/25
24: Avoid contact with skin
25: Avoid contact with eyes
4-Tolylurea Specification
4-Tolylurea ,its CAS NO. is 622-51-5,the synonyms is 4-12-00-01923 (Beilstein Handbook Reference) ; 4-Methylphenylurea ; AI3-52050 ; BRN 2208088 ; CCRIS 4875 ; EINECS 210-739-2 ; NCI-C02153 ; NSC 66557 ; p-Tolycarbamide ; Urea, (4-methylphenyl)- (9CI) ; Urea, p-tolyl- .
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