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Home > Products >  Pyrazole

Pyrazole CAS NO.288-13-1

  • Min.Order: 0 Metric Ton
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  • Product Details

Keywords

  • 288-13-1

Quick Details

  • ProName: Pyrazole
  • CasNo: 288-13-1
  • Molecular Formula: C3H4N2
  • Appearance: Off-white to white solid
  • Application: pharmaceutical intermediate
  • PackAge: 25KG/NET Fiber Drum with double lined ...
  • ProductionCapacity: 10 Metric Ton/Year
  • Purity: ≥99%(GC)
  • Storage: Store in a cool, dry area. Keep contai...
  • LimitNum: 0 Metric Ton

Superiority

Details

Product NamePyrazole
CAS no.288-13-1
AppearanceOff-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. OrderProduct 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 PropertyValueUnitsTemp (deg C)Source
Melting Point68deg C EXP
Boiling Point187deg C EXP
pKa Dissociation Constant2.48(none)25EXP
log P (octanol-water)0.26(none) EXP
Water Solubility1.94E+04mg/L25EXP
Vapor Pressure1.190mm Hg25EST
Henry's Law Constant3.69E-06atm-m3/mole25EST
Atmospheric OH Rate Constant3.60E-11cm3/molecule-sec25EST

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:

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.

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