The 1-(p-Tolyl)-3-methyl-5-pyrazolone, with the CAS registry number 86-92-0 and EINECS registry number 201-708-4, has the systematic name of 5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one. It belongs to the product category of Intermediates of Dyes and Pigments. And the molecular formula of this chemical is C₁₁H₁₂N₂O.

The physical properties of 1-(p-Tolyl)-3-methyl-5-pyrazolone are as following: (1)ACD/LogP: 0.90; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.9; (4)ACD/LogD (pH 7.4): 0.9; (5)ACD/BCF (pH 5.5): 2.82; (6)ACD/BCF (pH 7.4): 2.82; (7)ACD/KOC (pH 5.5): 73.12; (8)ACD/KOC (pH 7.4): 73.18; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 32.67 Å²; (13)Index of Refraction: 1.595; (14)Molar Refractivity: 55.63 cm³; (15)Molar Volume: 163.6 cm³; (16)Polarizability: 22.05×10^-24cm³; (17)Surface Tension: 40.9 dyne/cm; (18)Density: 1.15 g/cm³; (19)Flash Point: 174.6 °C; (20)Enthalpy of Vaporization: 61.14 kJ/mol; (21)Boiling Point: 365.1 °C at 760 mmHg; (22)Vapour Pressure: 1.6E-05 mmHg at 25°C.

Uses of 1-(p-Tolyl)-3-methyl-5-pyrazolone: It can react with acetoacetic acid ethyl ester to produce 3,4-dimethyl-1-p-tolyl-1H-pyrano[2,3-c]pyrazol-6-one. The reaction time is 1 hour with temperature of 150-170°C, and the yield is about 86%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1N(/N=C(\C1)C)c2ccc(cc2)C
(2)InChI: InChI=1/C11H12N2O/c1-8-3-5-10(6-4-8)13-11(14)7-9(2)12-13/h3-6H,7H2,1-2H3
(3)InChIKey: IOQOLGUXWSBWHR-UHFFFAOYAE

The toxicity data is as follows: