乙基氨基甲酰膦酸铵

Description

ammonium ethyl carbamoylphosphonate · CAS 25954-13-6 · C3H11N2O4P. UNII 2350MJR49J. Melting Point: 175 °C; Solubility: 0.04 g/kg chloroform at 25 °C; Density: 1.33.

Identification

CAS Registry Number	25954-13-6
PubChem CID	33256
Molecular formula	C3H11N2O4P
IUPAC name	azanium carbamoyl(ethoxy)phosphinate
UNII (FDA)	2350MJR49J

Computed Descriptors

Molecular Weight	170.10
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	3
Exact Mass	170.04564383
Monoisotopic Mass	170.04564383
Topological Polar Surface Area	93.5
Heavy Atom Count	10
Formal Charge	0
Complexity	148

Physical & Chemical Properties

Melting Point	175 °C
Solubility	0.04 g/kg chloroform at 25 °C
Density	1.33
Vapor Pressure	0.00000398 [mmHg]
Vapor Pressure	0.53 mPa @ 25 °C
Other Experimental Properties	Vap: 4x10-6 mm Hg at 25 °C

Physical description & handling notes

• Colorless or white solid; [HSDB]
• COLORLESS CRYSTALLINE SOLID
• WHITE CRYSTALLINE SOLID
• @ 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 HEXANE
• SLIGHTLY SOL IN MOST COMMON ORGANIC SOLVENTS
• AQUEOUS FORMULATIONS AND DILUTED SPRAYS ARE STABLE, BUT IT DECOMP IN ACID MEDIA IN DILUTE SOLN (5 MG/L) ... .

Regulatory Status

GHS notification summary	5.5% (3 / 55)

GHS Hazard Classification

GHS notification summary	5.5% (3 / 55)
Reported hazard statements	H312 (70.9%), H319 (70.9%), H336 (23.6%)

Documented Uses

• Used as herbicide to control woody brush in public easements, forestry, and other non-cropland; [HSDB] No registered food uses; [Reference #1]
• BRUSH CONTROL AGENT & GROWTH REGULANT
• /PRODUCED/ BY REACTION OF TRIETHYL PHOSPHITE WITH METHYL CHLOROFORMATE & AMMONIA.
• ... FOSAMINE-AMMONIUM ... WAS INTRODUCED /IN 1974/ BY EI DU PONT DE NEMOURS & CO(INC) (US PATENT 3627507; 3846512) AS CODE NUMBER 'DXP 1108', TRADE MARK 'KRENITE'.
• Not to be used on food or feed crops.
• Compatible with dalapon-sodium. In other cases, a preliminary test is recommended. ... Do not spray before rain in order to ensure drying of the spray deposits.

Synonyms

Fosamine ammonium; Fosamine-ammonium; 25954-13-6; Fosamine ammonium salt; Krenite brush control agent; Ammonium ethyl carbamoyl phosphonate; DTXSID9032406; Ammonium ethyl (aminocarbonyl)phosphonate; DPX 1108; DTXCID7012406; RefChem:1085550; Ammonium ethyl carbamoylphosphonate; Phosphonic acid, carbamoyl-, monoethyl ester, ammonium salt; 2350MJR49J; Phosphonic acid, (aminocarbonyl)-, monoethyl ester, monoammonium salt; Fosamine [ANSI]

Frequently Asked Questions

What are the CAS number and molecular formula of ammonium ethyl carbamoylphosphonate?

CAS 25954-13-6; molecular formula C3H11N2O4P; molecular weight — g/mol.

What other names is ammonium ethyl carbamoylphosphonate known by?

Fosamine ammonium, Fosamine-ammonium, 25954-13-6, Fosamine ammonium salt, Krenite brush control agent, Ammonium ethyl carbamoyl phosphonate.

Is ammonium ethyl carbamoylphosphonate classified as hazardous?

5.5% of GHS notifications report no hazard classification (3 of 55).

What are the key physical properties of ammonium ethyl carbamoylphosphonate?

Melting Point: 175 °C; Solubility: 0.04 g/kg chloroform at 25 °C; Density: 1.33; Vapor Pressure: 0.00000398 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.