Phenylphosphonic acid

Basic Information

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CAS Number

1571-33-1

Molecular Formula

C6H7O3P

Molecular Weight

158.09 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Insecticides

Basic Physical Properties

Melting Point

162.0 to 166.0 deg-C

Boiling Point

353.7°C at 760 mmHg

Water Solubility

40.4 g/100 mL (25 ºC)

Flash Point

>230 °F

Refractive Index

n20/D 1.523(lit.)

SMILES

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OP(C1=CC=CC=C1)(O)=O

InChI

InChI=1S/C6H7O3P/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H2,7,8,9)

InChIKey

QLZHNIAADXEJJP-UHFFFAOYSA-N

LogP

0.48959999999999987

Topological Polar Surface Area

57.53 Å²

Hydrogen Bond Donor/Acceptor

2 / 3

Complexity

145

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H318 Causes serious eye damage
Serious eye damage/eye irritation

Hazard Class

Class 8 Class 8

Synonyms & References

English

Phenylphosphonic acid
Benzolphosphonsαure
Dihydrogenphenylphosphonate
phenyl-phosphonicaci
Phosphonicacid,phenyl-
PPOA
PHOSPHORIC ACID PHENYL ESTER DICHLORIDE
PHENYL PHOSPHODICHLORIDATE
PHENYLPHOSPHONIC ACIDs
Benzenephosphonicacid
EINECS 216-388-1
Phenyl-phosphonic acid
Phosphonic acid,phenyl
PhP(O)(OH)2
苯基膦酸
Benzene phosphonic acid
Benzenephosphonic Acid
Benzenephosphonic acid

MDL Number

MFCD00002136

Customs Code

2931900090

FAQ

What is Phenylphosphonic acid (CAS: 1571-33-1)?

Phenylphosphonic acid (CAS: 1571-33-1) is an organic compound with the chemical formula C6H5PO(OH)2. It is a colorless, crystalline solid that is soluble in water and organic solvents. This compound is known for its acidic properties and is commonly used in chemical synthesis due to its reactivity and ability to form various derivatives.

What are the main uses of Phenylphosphonic acid (CAS: 1571-33-1)?

Phenylphosphonic acid (CAS: 1571-33-1) is widely used in pharmaceuticals as a building block for drug development, in industrial processes for the production of insecticides and flame retardants, and in research for synthesizing phosphonic acid derivatives. It also finds applications in the manufacture of organic compounds and as a precursor in various chemical reactions.

Is Phenylphosphonic acid (CAS: 1571-33-1) safe?

Phenylphosphonic acid (CAS: 1571-33-1) can be harmful if not handled properly. It is toxic upon inhalation, ingestion, or skin contact and may cause irritation. Safety measures include wearing protective gear such as gloves and goggles, and working in a well-ventilated area. It is essential to follow established safety protocols and regulations when using this compound.

How should Phenylphosphonic acid (CAS: 1571-33-1) be stored?

Phenylphosphonic acid (CAS: 1571-33-1) should be stored in a cool, dry, and well-ventilated place, away from incompatible materials. It is recommended to keep it in a sealed container to prevent moisture absorption. Avoid exposure to light and ensure storage conditions maintain its stability and prevent degradation.