CompoundList

Methyl ethylphosphonofluoridate

Also known as Phoshonofluoridic acid, ethyl-, methyl ester, Ethylphoshonic acid, fluoroanhydride-, methyl ester, Methyl ethylphosphonofluoridoate #

CAS 665-03-2Formula C3H8FO2PMolar mass 126.07 g/mol
Methyl ethylphosphonofluoridate chemical structure, C3H8FO2P, CAS 665-03-2
2D chemical structure

Key facts

What buyers check first

CAS number
665-03-2
Formula
C3H8FO2P
Molar mass
126.07 g/mol
HS code
293149
Category
Sulfur and phosphorus compounds

What is Methyl ethylphosphonofluoridate?

Plain description, key identifiers and synonyms

Methyl ethylphosphonofluoridate is a chemical substance with the molecular formula C3H8FO2P and a molar mass of 126.07 g/mol. Its CAS registry number is 665-03-2. The IUPAC name is 1-[fluoro(methoxy)phosphoryl]ethane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[fluoro(methoxy)phosphoryl]ethane
CAS number
665-03-2 CAS number cross-checked
Molecular formula
C3H8FO2P
InChIKey
ZDJWQJGNAPPOHA-UHFFFAOYSA-N
InChI
InChI=1S/C3H8FO2P/c1-3-7(4,5)6-2/h3H2,1-2H3
SMILES (canonical and isomeric)
CCP(=O)(OC)F

Synonyms

  • Phoshonofluoridic acid, ethyl-, methyl ester
  • Ethylphoshonic acid, fluoroanhydride-, methyl ester
  • Methyl ethylphosphonofluoridoate #

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
126.07 g/molcalc.
Exact mass
126.0246 Dacalc.
LogP (octanol/water)
1.82calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
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.

Methyl ethylphosphonofluoridate suppliers

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

Guides for buyers

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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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