Diphenylphosphinic acid

Basic Information

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CAS Number

1707-03-5

Molecular Formula

C12H11O2P

Molecular Weight

218.19 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Agricultural Chemicals Pesticides Insecticides

Basic Physical Properties

Melting Point

193.0 to 197.0 deg-C

Boiling Point

446.2℃ at 760 mmHg

Density

1.2500

Water Solubility

Soluble in water.

Flash Point

223.7℃

Solubility

0.1 M NaOH: soluble0.5g/10 mL, clear, colorless

Refractive Index

1.602

SMILES

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C1=CC=C(C=C1)P(=O)(C2=CC=CC=C2)O

InChI

InChI=1S/C12H11O2P/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H,(H,13,14)

InChIKey

BEQVQKJCLJBTKZ-UHFFFAOYSA-N

LogP

1.9078

Topological Polar Surface Area

37.3 Å²

Hydrogen Bond Donor/Acceptor

1 / 2

Complexity

218

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

CHEBI:37832
NSC-13583
CS-W014805
Diphenylphosphinic acid, >=98.0% (T)
SCHEMBL9917195
AKOS004906773
InChI=1/C12H11O2P/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H,(H,13,14)
FT-0625282
NS00001854
Diphenylphosphinic acid
UNII-3R2HB96RZT
HMS1577E07
PHOSPHINIC ACID, DIPHENYL-
3R2HB96RZT
BRN 2804567
A811225
SY018987
D3627
DiphenylphosphinsA currencyure
diphenyl-phosphinic acid
DTXSID70168929
1707-03-5
MFCD00002132
AC-13461
Q27117287
NSC 13583
NSC13583
di(phenyl)phosphinic acid
W-107884
SCHEMBL191567
diphenyl phosphinic acid

MDL Number

MFCD00002132

Customs Code

29310095

FAQ

What are the physical and chemical properties of Diphenylphosphinic acid (CAS: 1707-03-5)?

Diphenylphosphinic acid (CAS: 1707-03-5) is a crystalline compound with a molecular weight of approximately 250.25 g/mol. It is slightly soluble in water and ethanol. Chemically, it is known for its acidity and reactivity towards various functional groups, making it useful in organic synthesis and analytical chemistry. It has a melting point of 104-105°C and a density of 1.32 g/cm³.

How is Diphenylphosphinic acid (CAS: 1707-03-5) typically synthesized?

Diphenylphosphinic acid is typically synthesized by the reaction of phenylphosphine with phosphorus trichloride, followed by hydrolysis. The reaction involves the conversion of phenylphosphine to phosphorus oxychloride, which then reacts with water to form the acid. This process requires careful control of temperature and pressure to achieve high yield and selectivity.

What industries use Diphenylphosphinic acid (CAS: 1707-03-5)?

Diphenylphosphinic acid (CAS: 1707-03-5) is used in various industries, including pharmaceuticals for the synthesis of certain drugs, polymers for the modification of materials, sensors for chemical detection, and semiconductors for electronic applications. Its acidic nature makes it valuable in these sectors for catalysis, derivatization, and analytical purposes.

What precautions should be taken when handling Diphenylphosphinic acid (CAS: 1707-03-5)?

When handling Diphenylphosphinic acid (CAS: 1707-03-5), it is important to use personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated fume hood to minimize inhalation risks. Spills should be cleaned up with appropriate absorbents, and the area should be thoroughly washed down. Always consult the Safety Data Sheet (SDS) for detailed handling and emergency procedures.