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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 66113Generated: October 27, 2026

Methyl diethylphosphonoacetate

Methyl 2-(diethoxyphosphoryl)acetate · POME · diethyl methoxycarbonylmethyl phosphonate · APAZ-027 · NSC 147757 · LABOTEST-BB LT00452673 · Mirogabalin Impurity 59 · DIETHYLMETHYLPHOSPHONOACETATE

https://huagongshe.com/en/chemical/66113

Methyl diethylphosphonoacetate molecular structure

Identifiers & Physical Properties

CAS No.1067-74-9
Molecular formulaC7H15O5P
Average molar mass210.16 g/mol
Monoisotopic mass210.06571021 g/mol
SMILESCCOP(=O)(CC(=O)OC)OCC
InChIKeyCTSAXXHOGZNKJR-UHFFFAOYSA-N
PubChem CID66113
EC No.213-938-2
DTXSIDDTXSID50147732

Chemical & Physical Properties

XLogP0.1
Topological polar surface area61.8
Hydrogen bond donors0
Hydrogen bond acceptors5
Rotatable bonds7
Heavy atoms13
Formal charge0
Complexity193
Boiling point127-131 °C9 mm Hg(lit.)
Density1.145 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.433(lit.)
Flash point>230 °F
Storage conditionsSealed in dry,Room Temperature
SolubilityMiscible with tetrahydrofuran.
Physical stateLiquid
ColorClear colorless to faint yellow
BRN1782397
InChIInChI=1S/C7H15O5P/c1-4-11-13(9,12-5-2)6-7(8)10-3/h4-6H2,1-3H3
InChIKeyCTSAXXHOGZNKJR-UHFFFAOYSA-N
SMILESC(OC)(=O)CP(OCC)(OCC)=O
CAS DataBase Reference1067-74-9(CAS DataBase Reference)
NIST Chemistry ReferenceAcetic acid, phosphono-, p,p-diethyl c-methyl ester(1067-74-9)
UNSPSC Code12352108
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319
GHS precautionary statementsP264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313
Personal protective equipment (PPE)Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)26-36
Water hazard class (WGK)3
F10
Customs code29310095
Storage class10 - Combustible liquids
Hazard classEye Irrit. 2Skin Irrit. 2

Safety & Regulations

GHS classificationWarningH315 (97.9%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatory informationDiethyl methoxycarbonylmethanephosphonate: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesSkin Irrit. 2 (97.9%)
F10
Personal protective equipment (PPE)Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Water hazard class (WGK)3
Customs code29310095
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
Safety statements (S)26-36
Storage class10 - Combustible liquids
GHS hazard statementsH315-H319
Hazard classEye Irrit. 2Skin Irrit. 2
GHS precautionary statementsP264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313

Applications & Uses

Uses

Methyl diethylphosphonoacetate is used as a reagent in the preparation of allylic fluorides compounds and in regioselective Diels-Alder reactions. It also serves as a reactant in the preparation of substituted thiophenes and furans, which finds application in type 2 diabetes treatment. Further, it acts as a precursor in the synthesis of pyridone alkaloids and immunosuppressive cyclopentanediol derivatives. In addition to this, it is utilized in the modification of botulinum neurotoxin serotype A protease inhibitors.