Pyridinium p-toluenesulfonate（PPTS） - ≥98% , CAS No.24057-28-1

CAS: 24057-28-1 Cat. No.: P106768 Molecular Weight: 251.3 Beilstein Registry Number: 3764305 EC Number: 246-002-7

GRADE & PURITY ≥98%

Synonyms

PPTS | Pyrdinium para-toluenesulfonate | pyridine p-toluenesulfonic acid | pyridinium p-toluene sulphonate | 4-toluenesulphonic acid pyridinium salt | p-Toluenesulfonic acid pyridine salt | AKOS015891539 | 4-TOLUENESULFONIC ACID PYRIDINE SALT | pyridinium

Storage

Room temperature,Argon charged,Desiccated,Cool

Shipped In

Normal

Overview

As a co-catalyst with L-proline improved both yield and enantioselectivity of an asymmetric aldol condensation between dioxanones and aldehydes.

Efficient catalyst for the preparation of tetrahydropyranyl ethers.

Specifications

Synonyms

PPTS | Pyrdinium para-toluenesulfonate | pyridine p-toluenesulfonic acid | pyridinium p-toluene sulphonate | 4-toluenesulphonic acid pyridinium salt | p-Toluenesulfonic acid pyridine salt | AKOS015891539 | 4-TOLUENESULFONIC ACID PYRIDINE SALT | pyridinium

Specifications & Purity

≥98%

Storage

Room temperature, Argon charged, Desiccated, Cool

Shipped In

Normal

Purity

≥98%

Names and Identifiers

• Pubchem Sid: 504758921
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/504758921
• Isomeric SMILES: CC1=CC=C(C=C1)S(=O)(=O)[O-].C1=CC=[NH+]C=C1
• WGK Germany: 2
• Molecular Weight: 251.3
• Beilstein: 3764305
• Reaxy-Rn: 3764305

Chemical and Physical Properties

• Solubility: Soluble in water (partly), ethanol, acetone, dichloromethane, chloroform, methanol and dimethyl sulfoxide.
• Sensitivity: Moisture sensitive;air sensitive
• Melt Point(°C): 116-120°C
• Molecular Weight: 251.300 g/mol
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 251.062 Da
• Monoisotopic Mass: 251.062 Da
• Topological Polar Surface Area: 79.700 Ų
• Heavy Atom Count: 17
• Formal Charge: 0
• Complexity: 224.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 2

XLogP3

References

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