Pyrazole

Details:

Product Name	Pyrazole
CAS no.	288-13-1
Appearance	Off-white to white solid
Assay	≥99%(GC)
Metal Cation(R+) (ppb)	Al≤750  Ni≤750 Ca≤1400  K≤750 Cr≤750  Si≤750 Co≤750  Na≤1400 Cu≤750  Sn≤750 Fe≤750  Au≤750 Pb≤750  Ti≤750 Mg≤750  Zn≤750

Package & Delivery Time

Package: 25KG/NET Fiber Drum with double lined plastic bag inside
Delivery Time: in stock


Package details: (1)Fiber Drum Size: diameter 350mm x height 500mm,tare weight: 2.8-2.9kg
                               (2)PE bag: width 600mm x height 900mm xthickness 0.06mm

Min Order & Production Capacity

Min. Order	Product Capacity
--	10 tons per year

Application

Pyrazole (CAS NO.288-13-1) can be used as a solvent or lubricating oil containing halogen stabilizer. You can also use it as chelating agent or synthetic organic intermediates.




Other informations
1. Introduction of Pyrazole

Pyrazole (CAS NO.288-13-1) is a off-white to white solid. We can supply the Pyrazole ≥99%(GC). We can produce this product 10 metric ton per month.

The chemical name of this product is 1H-pyrazole. Besides, this product belongs to the Imidazoles, Pyrroles, Pyrazoles, Pyrrolidines; Pyrazole; Building Blocks; C3 to C5; Chemical Synthesis; Heterocyclic Building Blocks; Pyrazoles. The specification of this chemical:

Formula:     C₃H₄N₂
CAS NO.: 288-13-1
M.W.:    68.08
Melting Point:67-71℃(≤2℃)
Feature:   Off-white to white solid, mp 67-71℃,BP: 186-188℃, Soluble in water, but soluble in alcohol, ether and benzene

2. Basic information of Pyrazole

1) Properties:

(1)XLogP3: 0.3; (2)H-Bond Donor: 1; (3)H-Bond Acceptor: 1; (4)Rotatable Bond Count: 0; (5)Exact Mass: 68.037448; (6)MonoIsotopic Mass: 68.037448; (7)Topological Polar Surface Area: 28.7; (8)Heavy Atom Count: 5; (9)Formal Charge: 0; (10)Complexity: 28.1; (11)Isotope Atom Count: 0; (12)Defined Atom Stereocenter Count: 0; (13)Undefined Atom Stereocenter Count: 0; (14)Defined Bond Stereocenter Count: 0; (15)Undefined Bond Stereocenter Count: 0; (16)Covalently-Bonded Unit Count: 1; (17)Feature 3D Acceptor Count: 1; (18)Feature 3D Donor Count: 1; (19)Feature 3D Ring Count: 1; (20)Effective Rotor Count: 0; (21)Conformer Sampling RMSD: 0.4.

2) Physical Property

Physical Property	Value	Units	Temp (deg C)	Source
Melting Point	68	deg C		EXP
Boiling Point	187	deg C		EXP
pKa Dissociation Constant	2.48	(none)	25	EXP
log P (octanol-water)	0.26	(none)		EXP
Water Solubility	1.94E+04	mg/L	25	EXP
Vapor Pressure	1.190	mm Hg	25	EST
Henry's Law Constant	3.69E-06	atm-m3/mole	25	EST
Atmospheric OH Rate Constant	3.60E-11	cm3/molecule-sec	25	EST

3) Descriptors of Structure

InChI: InChI=1S/C3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5)
InChIKey: WTKZEGDFNFYCGP-UHFFFAOYSA-N
Canonical SMILES: C1=CNN=C1

4) Preparation of Pyrazole

Pyrazoles are synthesized by the reaction of α,β-unsaturated aldehydes with hydrazine and subsequent dehydrogenation:


When using it, you should wear protective clothing and gloves.