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Home/Compounds/CAS 3699-66-9
Formula C9H19O5PMW 238.22Research-use catalog entryCOA/SDS by request

Triethyl 2-phosphonopropionate

CAS Number: 3699-66-9

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Loading RDKit molecule structure...
InChIKey: BVSRWCMAJISCTD-UHFFFAOYSA-NC9H19O5P | MW 238.22

Chemical Absolute Identifiers

CAS Number

3699-66-9

PubChem CID

107155

Molecular Formula

C9H19O5P

Molecular Weight

238.22 g/mol

Exact Mass

238.097011

InChIKey

BVSRWCMAJISCTD-UHFFFAOYSA-N

IUPAC Name

ethyl 2-diethoxyphosphorylpropanoate

SMILES String

CCOC(=O)C(C)P(=O)(OCC)OCC

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Triethyl 2-phosphonopropionate (CAS 3699-66-9) is listed in the Advanced Chemicals portfolio, with molecular formula C9H19O5P and molecular weight 238. 22 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Synthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity.
  • Carbon monoxide, carbon dioxide, phosphorus oxide.

Disposal

  • Dispose of the product by handing over the remaining and non-recyclable solutions to a licensed company.
  • Contact a professional agency with a waste disposal license to handle this substance.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus for firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Use personal protective equipment and emergency procedures.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Triethyl 2-phosphonopropionate

Names & Synonyms

Ethyl 2-(diethoxyphosphoryl)propanoateEthyl-2-(diethylphosphono)propanoateDiethyl 1-(carbethoxy)ethylphosphonatePropanoic acid, 2-(diethoxyphosphinyl)-, ethyl ester2-(diethoxyphosphoryl)propionic acid ethyl ester
Show all synonyms
2-Phosphonopropionic Acid Triethyl Estertriethyl 2-phosphopropionate2-(Diethoxyphosphinyl)propanoic acid ethyl estertriethyl 2-phosponopropionateDIETHYL 1-(ETHOXYCARBONYL)ETHANEPHOSPHONATEethyl 2-diethylphosphonopropionateethyl 2-(diethoxycarbonyl)propanoateEthyl 2-(diethylphosphono)propanoateethyl 2-(diethylphosphono)propionateEthyl2-(diethoxyphosphoryl)propanoateEthyl 2 -(diethylphosphono)propanoateethyl 2-(diethyl phosphono)propanoateEthyl 2~(diethoxyphosphoryl)propanoateethyl-2-(diethoxyphosphinyl)propionate
External Identifiers
EC NUMBER: 223-033-4DSSTOX SUBSTANCE ID: DTXSID50958163WIKIDATA ID: Q72510674
Experimental Spectrum References
13C NMR Spectra — Sigma-Aldrich Co. LLC.1H NMR Spectra — Sigma-Aldrich Co. LLC.31P NMR SpectraATR-IR SpectraFTIR Spectra — Sigma-Aldrich Co. LLC.Raman SpectraVapor Phase IR Spectra — Sigma-Aldrich Co. LLC.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

Ethyl 2-(diethoxyphosphoryl)butanoateCAS 17145-91-4
Triethyl 2-fluoro-2-phosphonoacetateCAS 2356-16-3
Phosphinecarboxylic acid, 1,1-diethoxy-, ethyl ester, 1-oxideCAS 1474-78-8
Triethyl phosphonoacetateCAS 867-13-0
Diethyl (2-amino-2-oxoethyl)phosphonateCAS 5464-68-6

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 17145-91-4Ethyl 2-(diethoxyphosphoryl)butanoateCAS 2356-16-3Triethyl 2-fluoro-2-phosphonoacetateCAS 1474-78-8Phosphinecarboxylic acid, 1,1-diethoxy-, ethyl ester, 1-oxideCAS 867-13-0Triethyl phosphonoacetateCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 3699-66-9

What are the key identifiers for Triethyl 2-phosphonopropionate (CAS 3699-66-9)?

Triethyl 2-phosphonopropionate is identified by CAS 3699-66-9, with molecular formula C9H19O5P, molecular weight 238.22, InChIKey BVSRWCMAJISCTD-UHFFFAOYSA-N.

Can I request a COA for CAS 3699-66-9?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Triethyl 2-phosphonopropionate?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 3699-66-9 available for quotation?

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