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Aldehydes and ketones

Phosphonoacetaldehyde

Also known as (2-oxoethyl)phosphonic acid, 2-Phosphonoacetaldehyde, 2-Oxoethylphosphonic acid

CAS 16051-76-6Formula C2H5O4PMolar mass 124.03 g/mol
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Phosphonoacetaldehyde chemical structure, C2H5O4P, CAS 16051-76-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16051-76-6
Formula
C2H5O4P
Molar mass
124.03 g/mol
HS code
293149
Category
Aldehydes and ketones

What is Phosphonoacetaldehyde?

Plain description, key identifiers and synonyms

Phosphonoacetaldehyde is a phosphonic acid consisting of acetaldehyde with the phospho group at the 2-position. It has a role as a mouse metabolite. It is functionally related to an acetaldehyde and a phosphonic acid. It is a conjugate acid of a phosphonoacetaldehyde(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-oxoethylphosphonic acid
CAS number
16051-76-6 CAS number cross-checked
Molecular formula
C2H5O4P
UNII
VPZ8FR5BMZ
InChIKey
YEMKIGUKNDOZEG-UHFFFAOYSA-N
InChI
InChI=1S/C2H5O4P/c3-1-2-7(4,5)6/h1H,2H2,(H2,4,5,6)
SMILES (canonical and isomeric)
C(C=O)P(=O)(O)O

Synonyms

  • (2-oxoethyl)phosphonic acid
  • 2-Phosphonoacetaldehyde
  • 2-Oxoethylphosphonic acid
  • acetylphosphonate
  • 2-Oxoethylphosphonate
  • phosphonic acid, (2-oxoethyl)-
  • p-(2-Oxoethyl)phosphonic acid
  • Phosphonic acid, p-(2-oxoethyl)-

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
124.03 g/molcalc.
Exact mass
123.9925 Dacalc.
LogP (octanol/water)
-0.64calc.
Topological polar surface area
74.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

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.

Phosphonoacetaldehyde suppliers

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Phosphonoacetaldehyde 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

Roles

  • animal metabolite
  • eukaryotic metabolite
  • mammalian metabolite
  • metabolite
  • mouse metabolite

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 Phosphonoacetaldehyde 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 Phosphonoacetaldehyde is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Phosphonoacetaldehyde, based on the data on this page

What is Phosphonoacetaldehyde?

Phosphonoacetaldehyde is a phosphonic acid consisting of acetaldehyde with the phospho group at the 2-position. It has a role as a mouse metabolite. It is functionally related to an acetaldehyde and a phosphonic acid. It is a conjugate acid of a phosphonoacetaldehyde(1-).

What is the CAS number of Phosphonoacetaldehyde?

The CAS registry number of Phosphonoacetaldehyde is 16051-76-6.

What is the molecular formula and weight of Phosphonoacetaldehyde?

The molecular formula of Phosphonoacetaldehyde is C2H5O4P and its molar mass is 124.03 g/mol.

What is Phosphonoacetaldehyde used for?

Known uses and roles of Phosphonoacetaldehyde include building blocks in research and laboratory, animal metabolite, eukaryotic metabolite, mammalian metabolite, metabolite and 1 more.

Is Phosphonoacetaldehyde hazardous?

No GHS hazard classification for Phosphonoacetaldehyde 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 Phosphonoacetaldehyde?

Phosphonoacetaldehyde 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 Phosphonoacetaldehyde?

Post a free request on CompoundList and suppliers of Phosphonoacetaldehyde will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Phosphonoacetaldehyde?

Suppliers quote Phosphonoacetaldehyde 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 Phosphonoacetaldehyde

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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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