Phenylphosphinic Acid - ≥98% , CAS No.1779-48-2

CAS: 1779-48-2 Cat. No.: P160701 Molecular Weight: 142.09 Beilstein Registry Number: 2802240 EC Number: 217-217-3 PubChem CID: 6327116

GRADE & PURITY ≥98%

Synonyms

Benzenephosphinic acid | NSC2670 | C6H7O2P | hydroxy-oxo-phenylphosphanium | B0025 | AKOS015890488 | FT-0649246 | J-011334 | NCGC00248629-01 | Phenylphosphinic acid, 99% | phenyl phosphinic acid | H12022 | MFCD00002131 | Phosphinic acid, phenyl- | SCHEMBL

Storage

Room temperature

Shipped In

Normal

Overview

The kinetics of oxidation of phenylhypophosphonic acid with metal and nonmetal oxidants was studied

Specifications

Synonyms

Benzenephosphinic acid | NSC2670 | C6H7O2P | hydroxy-oxo-phenylphosphanium | B0025 | AKOS015890488 | FT-0649246 | J-011334 | NCGC00248629-01 | Phenylphosphinic acid, 99% | phenyl phosphinic acid | H12022 | MFCD00002131 | Phosphinic acid, phenyl- | SCHEMBL

Specifications & Purity

≥98%

Storage

Room temperature

Shipped In

Normal

Purity

≥98%

Names and Identifiers

• Pubchem Sid: 488195699
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488195699
• Canonical Smiles: C1=CC=C(C=C1)[P+](=O)O
• IUPAC Name: hydroxy-oxo-phenylphosphanium
• InChIKey: KNQVWTDLQQGKSV-UHFFFAOYSA-O
• INCHI: 1S/C6H5O2P/c7-9(8)6-4-2-1-3-5-6/h1-5H/p+1
• Isomeric SMILES: C1=CC=C(C=C1)[P+](=O)O
• WGK Germany: 3
• RTECS: SZ5462500
• PubChem CID: 6327116
• Molecular Weight: 142.09
• Beilstein: 2802240
• Reaxy-Rn: 2802244

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Benzene and substituted derivatives

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: Benzene and substituted derivatives
• Subclass: Not available
• Intermediate Tree Nodes: Not available
• Direct Parent: Benzene and substituted derivatives
• Alternative Parents: Organopnictogen compounds Organophosphorus compounds Organic oxides Hydrocarbon derivatives Organic cations
• Molecular Framework: Aromatic homomonocyclic compounds
• Substituents: Monocyclic benzene moiety - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organophosphorus compound - Organic cation - Aromatic homomonocyclic compound
• Description: This compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Soluble in water; Soluble in Methanol
• Boil Point(°C): 180 °C
• Melt Point(°C): 83-85 °C
• Molecular Weight: 141.080 g/mol
• XLogP3: 0.900
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 141.011 Da
• Monoisotopic Mass: 141.011 Da
• Topological Polar Surface Area: 37.300 Ų
• Heavy Atom Count: 9
• Formal Charge: 1
• Complexity: 108.000
• 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: 1

References

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6. Chuanshen Wang, Hongliang Ding, Lu Liu, Hongfei He, Bicheng Lin, Na Sun, Keqing Zhou, Wei Wang, Yuan Hu, Bin Yu.  (2025)  Organophosphate-Intercalated High-Entropy LDHs for High-Performance Fire-Safe Thermoplastic Polyurethane Composites.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2025.111613]

7. Zhen-Guo Zhao, Yuan-Yuan Huang, Xin-Yu Tian, Yan-Peng Ni.  (2025)  Green Fabrication of Phosphorus-Containing Chitosan Derivatives via One-Step Protonation for Multifunctional Flame-Retardant, Anti-Dripping, and Antibacterial Coatings on Polyester Fabrics.  Polymers,  17  (11): (1531).  [PMID:40508776] [10.3390/polym17111531]

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