Ethylmethylphosphinic acid (CED0000164)

Record Information

Version

1.0

Creation Date

2026-04-04 02:41:53 UTC

Update Date

2026-08-22 13:54:38 UTC

SynCED ID

CED0000164

Secondary Accession Numbers

CHEM070900

Identification

Common Name

Ethylmethylphosphinic acid

Class

Small Molecule

Description

Ethylmethylphosphinic acid is an organophosphorus compound with the formula C3H9O2P1 and an average molecular weight of 108.08 g/mol. Ethylmethylphosphinic acid belongs to the organophosphorus compounds, a superclass within the organic compounds. This substance has been identified in or released from one recorded source: electrical and electronic equipment, specifically antennas.

Contaminant Type

Not Available

Chemical Structure

MOL SDF PDB SMILES InChI

Synonyms

Not Available

Chemical Formula

C₃H₉O₂P₁

Average Molecular Mass

108.077 g/mol

Monoisotopic Mass

108.034 g/mol

CAS Registry Number

51528-32-6

IUPAC Name

Not Available

Traditional Name

Not Available

SMILES

CCP(C)(O)=O

InChI Identifier

InChI=1S/C3H9O2P/c1-3-6(2,4)5/h3H2,1-2H3,(H,4,5)

InChI Key

NXHKQBCTZHECQF-UHFFFAOYSA-N

Chemical Taxonomy

Classification

Not classified

Biological Properties

Status

Detected and Not Quantified

Origin

Not Available

Cellular Locations

Not Available

Biofluid Locations

Not Available

Tissue Locations

Not Available

Applications

Not Available

Biological Roles

Not Available

Chemical Roles

Not Available

Organoleptic Effects

Not Available

Physical Properties

State

Not Available

Appearance

Not Available

Experimental Properties

Property	Value
Melting Point	Not Available
Boiling Point	Not Available
Solubility	Not Available

Predicted Properties

Not Available

Spectra

Not Available

Toxicity Profile

Toxicity Values

Toxicity Value	Organism	Dose Descriptor	Route of Exposure	Predicted or Experimental	Toxicity Rating	Reference
906.0 Log mg/kg [510:1600]	Rat	LD50	oral	predicted	Not Available	Not Available

Toxicity / Toxin Class

Not Available

Mechanism of Toxicity

Not Available

Carcinogenicity (IARC Classification)

Not Available

Minimum Risk Level

Not Available

Symptoms

Not Available

Treatment

Not Available

Health Effects

Health Effect	Relationship	Direction	Description	Reference

Exposure Sources

Source ID	Source	Sector	Reference
CEDs000506	Antennas?Antennas, commonly used in communication technologies, can be a source of synthetic chemical contamination through the materials and coatings used in their construction.	Electrical & Electronic Equipment	PubChem
CEDs000511	Conductors Or Conductive Bodies Characterised By The Conductive Materials?Conductors, or conductive bodies, are materials that allow the flow of electrical current, typically made from metals such as copper, aluminum, or silver.	Electrical & Electronic Equipment	PubChem
CEDs000517	Electric Switches?Electric switches, integral components in numerous devices, can be a source of synthetic chemical contamination due to the materials and manufacturing processes involved in their production.	Electrical & Electronic Equipment	PubChem
CEDs000519	Electrodes?Electrodes, used in various electrical and electronic applications, can be a source of synthetic chemical contamination due to the materials from which they are constructed and the processes involved in their manufacturing.	Electrical & Electronic Equipment	PubChem
CEDs000555	Bleaching Agents?Bleaching agents are chemical substances used to whiten or lighten materials, often employed in various cleaning products for their stain removal and disinfecting properties.	Household cleaning & consumer products	PubChem
CEDs000561	Perfumes Within Detergents And Soaps?Perfumes within detergents and soaps are synthetic fragrance compounds added to enhance the sensory experience of cleaning products.	Household cleaning & consumer products	PubChem
CEDs000618	Lip Makeup Products?Lip makeup products, such as lipsticks, lip glosses, and lip liners, often contain a variety of synthetic chemicals, including pigments, preservatives, and emollients.	Personal care & cosmetics	PubChem
CEDs000632	Apparel?Apparel production often involves the use of various synthetic chemicals, including dyes, finishing agents, and preservatives.	Textiles, leather & furnishings	PubChem
CEDs000685	Ceramics?Ceramics can be a source of synthetic chemical contamination through various additives and processing agents used in their production.	Building & Construction	PubChem
CEDs000696	Nanotechnology?Nanotechnology involves the manipulation of materials at the molecular or atomic level, typically within the range of 1 to 100 nanometers.	Industrial manufacturing & chemical processing	PubChem
CEDs000739	Inks?Inks are complex mixtures composed of pigments or dyes, solvents, resins, and additives used primarily for printing and writing applications.	Paper, pulp & fiber products	PubChem
CEDs000740	Paper?Paper production involves the processing of wood fibers and the use of various chemicals, which can lead to synthetic chemical contamination.	Paper, pulp & fiber products	PubChem

Pathways

0 pathwaysPathway Source: PathBank

No pathways found

No metabolic pathways have been associated with this synthetic chemical

Targets

Structure	Protein	UniProt ID	Organism	Relationship	Details
Click to view 3D structure	Type IV secretion-like conjugative transfer relaxase protein TraI	B1LRJ1	Escherichia coli (strain SMS-3-5 / SECEC)	Predicted (SEA)	Prediction Confidence Score 0.333 Applicability Domain 0.333 Statistical Significance 1.00e-05 Supporting Reference Compounds 1 E-value 0.0778492
Click to view 3D structure	1-deoxy-D-xylulose-5-phosphate synthase	B7UJP3	Escherichia coli O127:H6 (strain E2348/69 / EPEC)	Predicted (SEA)	Prediction Confidence Score 0.322 Applicability Domain 0.348 Statistical Significance 3.00e-05 Supporting Reference Compounds 2 E-value 0.233548
Click to view 3D structure	Farnesyl pyrophosphate synthase	Q0GKD7	Leishmania donovani	Predicted (SEA)	Prediction Confidence Score 0.308 Applicability Domain 0.308 Statistical Significance 4.00e-04 Supporting Reference Compounds 14 E-value 3.11397
Click to view 3D structure	Farnesyl pyrophosphate synthase	P14324	Humans	Predicted (SEA)	Prediction Confidence Score 0.308 Applicability Domain 0.308 Statistical Significance 5.40e-04 Supporting Reference Compounds 22 E-value 4.20386
Click to view 3D structure	Geranylgeranyl pyrophosphate synthase	O95749	Humans	Predicted (SEA)	Prediction Confidence Score 0.305 Applicability Domain 0.308 Statistical Significance 4.50e-04 Supporting Reference Compounds 15 E-value 3.50322
Click to view 3D structure	Gamma-glutamyl hydrolase	Q92820	Humans	Predicted (SEA)	Prediction Confidence Score 0.267 Applicability Domain 0.267 Low confidence Statistical Significance 8.20e-04 Supporting Reference Compounds 1 E-value 6.38364
Click to view 3D structure	Aminopeptidase N	P04825	Escherichia coli (strain K12)	Predicted (SEA)	Prediction Confidence Score 0.25 Applicability Domain 0.25 Low confidence Statistical Significance 3.40e-04 Supporting Reference Compounds 1 E-value 2.64687
Click to view 3D structure	Glutamate--cysteine ligase catalytic subunit	P48506	Humans	Predicted (SEA)	Prediction Confidence Score 0.242 Applicability Domain 0.242 Low confidence Statistical Significance 7.80e-04 Supporting Reference Compounds 1 E-value 6.07224
Click to view 3D structure	Farnesyl diphosphate synthase	Q197X6	Toxoplasma gondii	Predicted (SEA)	Prediction Confidence Score 0.241 Applicability Domain 0.267 Low confidence Statistical Significance 4.30e-04 Supporting Reference Compounds 4 E-value 3.34752
Click to view 3D structure	Farnesyl diphosphate synthase	Q8WS26	Trypanosoma cruzi	Predicted (SEA)	Prediction Confidence Score 0.239 Applicability Domain 0.308 Statistical Significance 3.40e-04 Supporting Reference Compounds 5 E-value 2.64687
Click to view 3D structure	Carbonic anhydrase 9	Q16790	Humans	Predicted (SEA)	Prediction Confidence Score 0.235 Applicability Domain 0.32 Statistical Significance 0.2087 Supporting Reference Compounds 372 E-value 1624.64
Click to view 3D structure	Carbonic anhydrase 12	O43570	Humans	Predicted (SEA)	Prediction Confidence Score 0.235 Applicability Domain 0.32 Statistical Significance 0.1894 Supporting Reference Compounds 332 E-value 1474.39
Click to view 3D structure	Carbonic anhydrase 1	P00915	Humans	Predicted (SEA)	Prediction Confidence Score 0.235 Applicability Domain 0.32 Statistical Significance 0.2152 Supporting Reference Compounds 407 E-value 1675.47
Click to view 3D structure	1-deoxy-D-xylulose 5-phosphate reductoisomerase	A0QVH7	Mycobacterium smegmatis (strain ATCC 700084 / mc(2)155)	Predicted (SEA)	Prediction Confidence Score 0.234 Applicability Domain 0.25 Low confidence Statistical Significance 1.50e-04 Supporting Reference Compounds 4 E-value 1.16774
Click to view 3D structure	Fructose-bisphosphate aldolase class 2	P0AB71	Escherichia coli (strain K12)	Predicted (SEA)	Prediction Confidence Score 0.231 Applicability Domain 0.231 Low confidence Statistical Significance 2.10e-04 Supporting Reference Compounds 1 E-value 1.63483
Click to view 3D structure	1-deoxy-D-xylulose 5-phosphate reductoisomerase	P9WNS1	Mycobacterium tuberculosis	Predicted (SEA)	Prediction Confidence Score 0.228 Applicability Domain 0.25 Low confidence Statistical Significance 2.70e-04 Supporting Reference Compounds 10 E-value 2.10193
Click to view 3D structure	72 kDa type IV collagenase	P08253	Humans	Predicted (SEA)	Prediction Confidence Score 0.228 Applicability Domain 0.32 Statistical Significance 0.304 Supporting Reference Compounds 400 E-value 2366.46
Click to view 3D structure	Triosephosphate isomerase	P00939	Oryctolagus cuniculus	Predicted (SEA)	Prediction Confidence Score 0.226 Applicability Domain 0.231 Low confidence Statistical Significance 8.00e-05 Supporting Reference Compounds 2 E-value 0.622794
Click to view 3D structure	1-deoxy-D-xylulose 5-phosphate reductoisomerase	P45568	Escherichia coli (strain K12)	Predicted (SEA)	Prediction Confidence Score 0.226 Applicability Domain 0.25 Low confidence Statistical Significance 5.80e-04 Supporting Reference Compounds 11 E-value 4.51525
Click to view 3D structure	Glutamine synthetase	P0A9C5	Escherichia coli K-12	Predicted (SEA)	Prediction Confidence Score 0.226 Applicability Domain 0.226 Low confidence Statistical Significance 0.001 Supporting Reference Compounds 1 E-value 8.17417
Click to view 3D structure	Fructose-bisphosphate aldolase A	P00883	Oryctolagus cuniculus	Predicted (SEA)	Prediction Confidence Score 0.225 Applicability Domain 0.231 Low confidence Statistical Significance 1.20e-04 Supporting Reference Compounds 2 E-value 0.934191
Click to view 3D structure	Farnesyl synthetase, putative	Q964Q8	Trypanosoma cruzi	Predicted (SEA)	Prediction Confidence Score 0.224 Applicability Domain 0.267 Low confidence Statistical Significance 9.00e-04 Supporting Reference Compounds 2 E-value 7.00643
Click to view 3D structure	UDP-N-acetylmuramoyl-tripeptide--D-alanyl-D-alanine ligase	Q5HMD9	Staphylococcus epidermidis (strain ATCC 35984 / RP62A)	Predicted (SEA)	Prediction Confidence Score 0.222 Applicability Domain 0.222 Low confidence Statistical Significance 0.0027 Supporting Reference Compounds 1 E-value 20.8636
Click to view 3D structure	Carbonic anhydrase 2	P00918	Humans	Predicted (SEA)	Prediction Confidence Score 0.221 Applicability Domain 0.32 Statistical Significance 0.3638 Supporting Reference Compounds 472 E-value 2832.0
Click to view 3D structure	Farnesyl pyrophosphate synthase	Q4QBL1	Leishmania major	Predicted (SEA)	Prediction Confidence Score 0.22 Applicability Domain 0.308 Statistical Significance 2.50e-04 Supporting Reference Compounds 5 E-value 1.94623