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Sulfur and phosphorus compounds

Phenylethanephosphonic acid

Also known as (2-Phenylethyl)phosphonic acid, phenethylphosphonic acid, 2-phenylethylphosphonic acid

CAS 4672-30-4Formula C8H11O3PMolar mass 186.15 g/molEC 225-120-2
1 supplier listed
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Phenylethanephosphonic acid chemical structure, C8H11O3P, CAS 4672-30-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4672-30-4
Formula
C8H11O3P
Molar mass
186.15 g/mol
EC number
225-120-2
HS code
293149
Category
Sulfur and phosphorus compounds

What is Phenylethanephosphonic acid?

Plain description, key identifiers and synonyms

Phenylethanephosphonic acid is a chemical substance with the molecular formula C8H11O3P and a molar mass of 186.15 g/mol. Its CAS registry number is 4672-30-4. The IUPAC name is 2-phenylethylphosphonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-phenylethylphosphonic acid
CAS number
4672-30-4 CAS number cross-checked
EC number
225-120-2
Molecular formula
C8H11O3P
UNII
RYS2CJ2L67
MDL number
MFCD00485102
InChIKey
BFDYSJCMAFSRDH-UHFFFAOYSA-N
InChI
InChI=1S/C8H11O3P/c9-12(10,11)7-6-8-4-2-1-3-5-8/h1-5H,6-7H2,(H2,9,10,11)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)CCP(=O)(O)O

Synonyms

  • (2-Phenylethyl)phosphonic acid
  • phenethylphosphonic acid
  • 2-phenylethylphosphonic acid
  • phenethylphosphonicacid
  • Phosphonic acid, (2-phenylethyl)-
  • p-(2-Phenylethyl)phosphonic acid
  • 2-Phenethyl-phosphonic acid
  • Phenethyl-phosphonic acid
  • Phosphonic acid,(2
  • Phosphonic acid, P-(2-phenylethyl)-
  • ethylphosphonic acid, 2-phenyl-
  • (2-Phenylethyl)phosphonic Acid, inverted exclamation markO98%

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
186.15 g/molcalc.
Exact mass
186.0446 Dacalc.
LogP (octanol/water)
1.41calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Phenylethanephosphonic acid suppliers

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Where suppliers are based

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Phenylethanephosphonic acid price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Phenylethanephosphonic acid is traded under.

HS 2931.49Indicative HS code

Non-halogenated organo-phosphorous derivatives, other

World exports in 2024
$3.44B
−6.5% vs 2023, imports $3.07B
2022 to 2024
Top exporters
  1. China54.9%
  2. United States25.4%
  3. Germany5.1%
Top importers
  1. United States20.9%
  2. Argentina14.9%
  3. Brazil14.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Phenylethanephosphonic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Phenylethanephosphonic acid, based on the data on this page

What is Phenylethanephosphonic acid?

Phenylethanephosphonic acid is a chemical substance with the molecular formula C8H11O3P and a molar mass of 186.15 g/mol. Its CAS registry number is 4672-30-4. The IUPAC name is 2-phenylethylphosphonic acid.

What is the CAS number of Phenylethanephosphonic acid?

The CAS registry number of Phenylethanephosphonic acid is 4672-30-4.

What is the molecular formula and weight of Phenylethanephosphonic acid?

The molecular formula of Phenylethanephosphonic acid is C8H11O3P and its molar mass is 186.15 g/mol.

What is Phenylethanephosphonic acid used for?

Known uses and roles of Phenylethanephosphonic acid include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Phenylethanephosphonic acid hazardous?

No GHS hazard classification for Phenylethanephosphonic acid is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Phenylethanephosphonic acid?

Phenylethanephosphonic acid is usually classified under HS code 293149 (Non-halogenated organo-phosphorous derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phenylethanephosphonic acid?

CompoundList lists 1 supplier of Phenylethanephosphonic acid in France. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Phenylethanephosphonic acid?

Suppliers quote Phenylethanephosphonic acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Phenylethanephosphonic acid

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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