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HomeProduct name listPhenylphosphinic acid

Phenylphosphinic acid

  • CAS NO.:1779-48-2
  • Empirical Formula: C6H7O2P
  • Molecular Weight: 142.09
  • MDL number: MFCD00002131
  • EINECS: 217-217-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:30
Phenylphosphinic acid Structural

What is Phenylphosphinic acid?

Chemical properties

white crystals or crystalline powder

The Uses of Phenylphosphinic acid

Antioxidant, intermediate for metallic-salt formation, accelerator for organic peroxide catalysts.

The Uses of Phenylphosphinic acid

Coproporphyrin I-15N4 is an intermediate in the synthesis of Coproporphyrin I-15N4 Sodium BIsulfate Salt (C685402). Labelled Coproporphyrin I. Coproporphyrin I is a porphyrin, a naturally occuring aromatic heterocyclic marcomolecule. The ratio of Coproporphyrin I and Coproporphyrin III provides a useful biochemical marker for distinguishing familial and sporadic porphyria cutanea tarda. Coproporphyrin I also serve as a biomarker of environmental toxicity and susceptibility in autism.

General Description

Phenylphosphinic acid is also known as phenylphosphonous acid. Kinetics of oxidation of phenylphosphinic acid by metal and non metal oxidants was investigated in a study.2

Purification Methods

Crystallise it from H2O (solubility is 7.7% at 25o). Also purify it by placing the solid in a flask covered with dry Et2O, and allowed it to stand for 1day with intermittent shaking. Et2O is decanted off and the process repeated. After filtration, excess Et2O is removed in a vacuum. It has also been recrystallised from *C6H6. [Michaelis Justus Liebigs Ann Chem 181 265 1876, Banks & Skoog Anal Chem 29 109 1957, NMR: Van Wazer et al. J Am Chem Soc 78 5715 1956, Beilstein 16 IV 1033.]

Properties of Phenylphosphinic acid

Melting point: 83-85 °C(lit.)
Boiling point: 180 °C
Density  1.376
storage temp.  Sealed in dry,Room Temperature
solubility  DMSO (Slightly), Water (Slightly, Heated)
form  Crystalline Solid
pka pK1:2.1 (17°C)
color  White
Water Solubility  7.7 g/100 mL (25 ºC)
BRN  2802244
InChI InChI=1S/C6H7O2P/c7-9(8)6-4-2-1-3-5-6/h1-5,9H,(H,7,8)
CAS DataBase Reference 1779-48-2(CAS DataBase Reference)
NIST Chemistry Reference Phosphinic acid, phenyl-(1779-48-2)
EPA Substance Registry System Phosphinic acid, phenyl- (1779-48-2)

Safety information for Phenylphosphinic acid

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H314:Skin corrosion/irritation
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P270:Do not eat, drink or smoke when using this product.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Phenylphosphinic acid

InChIKey MLCHBQKMVKNBOV-UHFFFAOYSA-N
SMILES P(C1=CC=CC=C1)(O)=O

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