Dimethyl Methyl Phosphonate (CAS 756-79-6) — formula C3H9O3P, molecular weight 124.08; category fertilizers.
Dimethyl Methyl Phosphonate (CAS 756-79-6) is a chemical raw material in the fertilizers category. Its molecular formula C3H9O3P comprises 3 C, 9 H, 3 O, 1 P atoms. Its molecular weight is about 124.08. Reported physicochemical data: melting point around <50 °C, boiling point around 358 °F at 760 mmHg (NTP, 1992), LogP about -0.7. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 756-79-6 |
|---|---|
| Molecular Formula | C3H9O3P |
| Molecular Weight | 124.08 |
| Melting Point | <50 °C |
| Boiling Point | 358 °F at 760 mmHg (NTP, 1992) |
| LogP | -0.7 |
| Applications | NMR probe for cell volume, as a flame retardant, and to simulate nerve agents such as sarin, Used in heavy metal extraction and solvent separation, Also used as a pre-ignition additive for gasoline, an antifoam agent |
| Category | Fertilizers |
Documented applications: NMR probe for cell volume, as a flame retardant, and to simulate nerve agents such as sarin, Used in heavy metal extraction and solvent separation, Also used as a pre-ignition additive for gasoline, an antifoam agent.
Dimethyl Methyl Phosphonate is a fertilizer compound with CAS registry number 756-79-6 and molecular formula C3H9O3P (molecular weight 124.08), belonging to the fertilizers segment of chemical raw materials.
CAS number: 756-79-6
Its molecular formula C3H9O3P comprises 3 C, 9 H, 3 O, 1 P atoms.
Also known as: Dimethyl Methyl Phosphonate · Dimethyl methanephosphonate
Category: fertilizers
The CAS registry number of Dimethyl Methyl Phosphonate is 756-79-6.
Molecular formula C3H9O3P, molecular weight 124.08.
It is also registered under: Dimethyl Methyl Phosphonate, Dimethyl methanephosphonate.
Recorded applications: NMR probe for cell volume, as a flame retardant, and to simulate nerve agents such as sarin, Used in heavy metal extraction and solvent separation, Also used as a pre-ignition additive for gasoline, an antifoam agent.
Category: Fertilizers.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Dimethyl Methyl Phosphonate (CAS 756-79-6), compiled from public chemistry databases.
| CAS Registry Number | 756-79-6 |
|---|---|
| PubChem CID | 12958 |
| Molecular formula | C3H9O3P |
| IUPAC name | [methoxy(methyl)phosphoryl]oxymethane |
| UNII (FDA) | 20Z996230U |
| Molecular Weight | 124.08 |
|---|---|
| XLogP3 | -0.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 124.02893114 |
| Monoisotopic Mass | 124.02893114 |
| Topological Polar Surface Area | 35.5 |
| Heavy Atom Count | 7 |
| Boiling Point | 358 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 181 °C; 79.5 °C at 20 mm Hg |
| Boiling Point | 181 °C @760 [mm Hg] |
| Melting Point | <50 °C |
| Flash Point | 110 °F (NTP, 1992) |
| Density | 1.1507 g/cu cm at 20 °C |
| Density | 1.168 @ 20°C |
| Vapor Pressure | 1.2 mmHg at 77 °F (NTP, 1992) |
| Vapor Pressure | 1.2 [mmHg] |
| Vapor Pressure | 0.962 mm Hg at 25 °C |
DIMETHYL METHYLPHOSPHONATE; 756-79-6; DMMP; Fyrol DMMP; Pyrol dmmp; Dimethylmethylphosphonate; Dimethyl methanephosphonate; Phosphonic acid, methyl-, dimethyl ester; Dimethoxymethylphosphine oxide; NCI-C54762; Methanephosphonic acid dimethyl ester; Methyl phosphonic acid, dimethyl ester; DTXSID0020494; Phosphonic acid, methyl-,dimethyl ester; NSC-62240; DTXCID40494
| Reported hazard statements | H226 (15.3%), H318 (41.2%), H319 (57.6%), H332 (16%), H340 (82.4%), H361 (10.7%), H227, H351 |
|---|
H226 (15.3%): Flammable liquid and vapor [Warning Flammable liquids]
H318 (41.2%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
Dimethyl Methyl Phosphonate · CAS 756-79-6 · C3H9O3P. UNII 20Z996230U. Boiling Point: 358 °F at 760 mmHg (NTP, 1992); Boiling Point: 181 °C; 79.5 °C at 20 mm Hg; Boiling Point: 181 °C @760 [mm Hg].
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.