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Herbicides

Fosamine

Also known as carbamoyl(ethoxy)phosphinic acid, Ethyl hydrogen carbamoylphosphonate, Ethyl carbamoylphosphonic acid

CAS 59682-52-9Formula C3H8NO4PMolar mass 153.07 g/molEC 611-862-8
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Fosamine chemical structure, C3H8NO4P, CAS 59682-52-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystalline solid
Melting point
175 °C
Density
1.33
Solubility
@ 25 °C: 1.79 KG/KG WATER, 300 MG/KG ACETONE, 400 MG/KG BENZENE, 12 G/KG ETHANOL, 1.4 G/…
HS code
293149
Category
Herbicides
Illustrative photo, colourless crystals in a clear glass bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Fosamine?

Plain description, key identifiers and synonyms

Fosamine is a phosphonic ester.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
carbamoyl(ethoxy)phosphinic acid
CAS number
59682-52-9 CAS number cross-checked
EC number
611-862-8
Molecular formula
C3H8NO4P
UNII
RS22J9RP83
InChIKey
UCHDFLNGIZUADY-UHFFFAOYSA-N
InChI
InChI=1S/C3H8NO4P/c1-2-8-9(6,7)3(4)5/h2H2,1H3,(H2,4,5)(H,6,7)
SMILES (canonical and isomeric)
CCOP(=O)(C(=O)N)O

Synonyms

  • carbamoyl(ethoxy)phosphinic acid
  • Ethyl hydrogen carbamoylphosphonate
  • Ethyl carbamoylphosphonic acid
  • Monoethyl (aminocarbonyl)phosphonate
  • Phosphonic acid, (aminocarbonyl)-, monoethyl ester
  • Ammonium-aethyl-carbamoyl-phosphonat
  • Ethyl hydrogen p-(aminocarbonyl)phosphonate

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

Appearance
Colorless crystalline solidexp.
Melting point
175 °Cexp.
Density
1.33exp.
Solubility
@ 25 °C: 1.79 KG/KG WATER, 300 MG/KG ACETONE, 400 MG/KG BENZENE, 12 G/KG ETHANOL, 1.4 G/KG DIMETHYLFORMAMIDE, 158 G/KG METHANOL, 200 MG/KG HEXANEexp.
Vapour pressure
0.53 mPa @ 25 °Cexp.

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
153.07 g/molcalc.
Exact mass
153.0191 Dacalc.
LogP (octanol/water)
0.29calc.
Topological polar surface area
89.62 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
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.

Fosamine suppliers

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Fosamine price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Brush control agent & growth regulant.

Contact herbicide.

How it is made

/Produced/ by reaction of triethyl phosphite with methyl chloroformate & ammonia.

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

Frequently asked questions

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

What is Fosamine?

Fosamine is a phosphonic ester.

What is the CAS number of Fosamine?

The CAS registry number of Fosamine is 59682-52-9.

What is the molecular formula and weight of Fosamine?

The molecular formula of Fosamine is C3H8NO4P and its molar mass is 153.07 g/mol.

What is Fosamine used for?

Brush control agent & growth regulant. Contact herbicide.

Is Fosamine hazardous?

No GHS hazard classification for Fosamine 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 Fosamine?

Fosamine 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 Fosamine?

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

What is the price of Fosamine?

Suppliers quote Fosamine 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 Fosamine

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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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