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Aliphatic and alicyclic building blocks

(Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane

Also known as (Diethoxymethyl)di(ethyl)(oxo)-lambda~5~-phosphane

CAS 4042-55-1Formula C9H21O3PMolar mass 208.24 g/mol
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(Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane chemical structure, C9H21O3P, CAS 4042-55-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4042-55-1
Formula
C9H21O3P
Molar mass
208.24 g/mol
HS code
293149
Category
Aliphatic and alicyclic building blocks

What is (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane?

Plain description, key identifiers and synonyms

(Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane is a chemical substance with the molecular formula C9H21O3P and a molar mass of 208.24 g/mol. Its CAS registry number is 4042-55-1. The IUPAC name is 1-[diethylphosphoryl(ethoxy)methoxy]ethane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[diethylphosphoryl(ethoxy)methoxy]ethane
CAS number
4042-55-1 CAS number cross-checked
Molecular formula
C9H21O3P
InChIKey
MQNMCVKHYCWDBV-UHFFFAOYSA-N
InChI
InChI=1S/C9H21O3P/c1-5-11-9(12-6-2)13(10,7-3)8-4/h9H,5-8H2,1-4H3
SMILES (canonical and isomeric)
CCOC(OCC)P(=O)(CC)CC

Synonyms

  • (Diethoxymethyl)di(ethyl)(oxo)-lambda~5~-phosphane

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
208.24 g/molcalc.
Exact mass
208.1228 Dacalc.
LogP (octanol/water)
2.75calc.
Topological polar surface area
35.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
7calc.
Heavy atoms
13calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
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.

(Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane suppliers

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(Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane 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 (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane 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 (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane, based on the data on this page

What is (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane?

(Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane is a chemical substance with the molecular formula C9H21O3P and a molar mass of 208.24 g/mol. Its CAS registry number is 4042-55-1. The IUPAC name is 1-[diethylphosphoryl(ethoxy)methoxy]ethane.

What is the CAS number of (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane?

The CAS registry number of (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane is 4042-55-1.

What is the molecular formula and weight of (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane?

The molecular formula of (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane is C9H21O3P and its molar mass is 208.24 g/mol.

What is (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane used for?

Known uses and roles of (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane include building blocks in research and laboratory.

Is (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane hazardous?

No GHS hazard classification for (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane 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 (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane?

(Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane 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 (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane?

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What is the price of (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane?

Suppliers quote (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane 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 (Diethoxymethyl)(diethyl)oxo-lambda~5~-phosphane

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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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