Phenylphosphinic acid

Modify Date: 2025-08-20 22:50:07

Phenylphosphinic acid Structure
Phenylphosphinic acid structure
 Common Name Phenylphosphinic acid
CAS Number 1779-48-2 Molecular Weight 142.092
Density N/A Boiling Point 285.1±23.0 °C at 760 mmHg
Molecular Formula C6H7O2P Melting Point 83-85 °C(lit.)
MSDS Chinese USA Flash Point 126.2±22.6 °C
Symbol GHS05 GHS07
GHS05, GHS07		 Signal Word Danger

 Use of Phenylphosphinic acid


Phenylphosphinic acid is an additive used with Noyori's catalyst for oxidation of sulfides to sulfones.

 Names

Name Phenylphosphinic acid
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 285.1±23.0 °C at 760 mmHg
Melting Point 83-85 °C(lit.)
Molecular Formula C6H7O2P
Molecular Weight 142.092
Flash Point 126.2±22.6 °C
Exact Mass 142.018372
PSA 60.77000
LogP -0.59
Vapour Pressure 0.0±0.6 mmHg at 25°C
Water Solubility 7.7 g/100 mL (25 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ5462500
CHEMICAL NAME :
Phosphinic acid, phenyl-
CAS REGISTRY NUMBER :
1779-48-2
BEILSTEIN REFERENCE NO. :
2802244
LAST UPDATED :
199710
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C6-H7-O2-P
MOLECULAR WEIGHT :
142.10

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555311 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1345 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555311
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>625 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 2,56,1950
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>4640 mg/kg
TOXIC EFFECTS :
Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555311

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302-H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive;Xn:Harmful;
Risk Phrases R22;R34;R37/38;R41
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3261 8/PG 3
WGK Germany 3
RTECS SZ5462500
Packaging Group III
Hazard Class 8
HS Code 2916399090

 Synthetic Route

 Customs

HS Code 2916399090
Summary 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Articles6

More Articles
1H-17O nuclear quadrupole double resonance in phenylphosphinic acid and phenylphosphonic acid. 17O quadrupole coupling in P = O and P-O-H bonds.

Magn. Reson. Chem. 46(10) , 969-73, (2008)

The (17)O nuclear quadrupole resonance (NQR) frequencies have been measured in phenylphosphinic acid and phenylphosphonic acid using nuclear quadrupole double resonance. The quadrupole coupling consta...

First principles NMR calculations of phenylphosphinic acid C6H5HPO(OH): assignments, orientation of tensors by local field experiments and effect of molecular motion.

J. Magn. Reson. 187(1) , 131-40, (2007)

The complete set of NMR parameters for (17)O enriched phenylphosphinic acid C(6)H(5)HP( *)O(*OH) is calculated from first principles by using the Gauge Including Projected Augmented Wave (GIPAW) appro...

Photophysical and structural impact of phosphorylated anions associated to lanthanide complexes in water.

Inorg. Chem. 44(20) , 7151-60, (2005)

A new ligand, LC, bis-[(6'-carboxy-2,2'-bipyridine-6-yl)]phenylphosphine oxide, in which the tridentate 6-carboxy-2,2'-bipyridyl arms are directly linked to a phenylphosphine oxide fragment, has been ...

 Synonyms

Phosphonousacid,phenyl
phenyl-phosphinicaci
Phosphinicacid,phenyl
Phosphinic acid, P-phenyl-
Hydroxyphenylphosphine oxide
MFCD00002131
Phosphinic acid, phenyl-
Phenylphosphinic acid
phenyl-H-phosphinic acid
phenyl phosphinic acid
PHENYLPHOSPHONOUS ACID
phenylphospho acid
Benzenephosphonous Acid
Coproporphyrin I-15N4
EINECS 217-217-3
Benzenephosphinic acid
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Chemsrc provides Phenylphosphinic acid(CAS#:1779-48-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Phenylphosphinic acid are included as well.>> amp version: Phenylphosphinic acid

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