The 1-Methylpyrazole, with the CAS registry number 930-36-9, is also known as 1H-Pyrazole,1-methyl-. It belongs to the product categories of Pyrazoles & Triazoles; Building Blocks; Heterocyclic Building Blocks; Pyrazoles. This chemical's molecular formula is C₄H₆N₂ and molecular weight is 82.10. What's more, its systematic name is 1-Methyl-1H-pyrazole. This chemical is stable at common pressure and temperature, and it should be sealed and stored in a cool and dry place. Moreover, it should be protected from strong oxidants.

Physical properties of 1-Methylpyrazole are: (1)ACD/LogP: -0.14; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.14; (4)ACD/LogD (pH 7.4): -0.14; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 19.97; (8)ACD/KOC (pH 7.4): 19.98; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 17.82 Å²; (13)Index of Refraction: 1.525; (14)Molar Refractivity: 25.25 cm³; (15)Molar Volume: 82.394 cm³; (16)Polarizability: 10.01×10^-24cm³; (17)Surface Tension: 35.0 dyne/cm; (18)Density: 0.996 g/cm³; (19)Flash Point: 26.222 °C; (20)Enthalpy of Vaporization: 34.972 kJ/mol; (21)Boiling Point: 126.999 °C at 760 mmHg; (22)Vapour Pressure: 13.8 mmHg at 25°C.

Preparation: this chemical can be prepared by 1H-pyrazole and iodomethane at the ambient temperature. This reaction will need reagent potassium tert-butoxide and solvent diethyl ether with the reaction time of 1 hour. This reaction will also need catalyst 18-crown-6. The yield is about 86%.

Uses of 1-Methylpyrazole: it can be used to produce 1-methyl-4-nitro-1H-pyrazole. It will need reagents HNO₃, H₂SO₄. The yield is about 60%.

When you are using this chemical, please be cautious about it as the following:
This chemical is flammable, so you should keep it away from sources of ignition - No smoking. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: n1cccn1C
(2)Std. InChI: InChI=1S/C4H6N2/c1-6-4-2-3-5-6/h2-4H,1H3
(3)Std. InChIKey: UQFQONCQIQEYPJ-UHFFFAOYSA-N