Trimethyl Phosphate (CAS 512-56-1) — formula C3H9O4P, molecular weight 140.07; category organic chemicals.
Trimethyl Phosphate (CAS 512-56-1) is a chemical raw material in the organic chemicals category. Its molecular formula C3H9O4P comprises 3 C, 9 H, 4 O, 1 P atoms. Its molecular weight is about 140.07. Reported physicochemical data: melting point around -51 °F (NTP, 1992), boiling point around 387 °F at 760 mmHg (NTP, 1992), LogP about -0.5. 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 | 512-56-1 |
|---|---|
| Molecular Formula | C3H9O4P |
| Molecular Weight | 140.07 |
| Melting Point | -51 °F (NTP, 1992) |
| Boiling Point | 387 °F at 760 mmHg (NTP, 1992) |
| LogP | -0.5 |
| Applications | gasoline additive, methylating agent, flame-resistant solvent for paints and polymers, catalyst in polymers and resins, and to make polymethyl polyphosphates, Painting (Solvents) |
| Category | Organic Chemicals |
Documented applications: gasoline additive, methylating agent, flame-resistant solvent for paints and polymers, catalyst in polymers and resins, and to make polymethyl polyphosphates, Painting (Solvents).
Trimethyl Phosphate is a carbon-based organic compound with CAS registry number 512-56-1 and molecular formula C3H9O4P (molecular weight 140.07), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 512-56-1
Its molecular formula C3H9O4P comprises 3 C, 9 H, 4 O, 1 P atoms.
Also known as: Trimethyl Phosphate · 磷酸三甲酯
Category: organic chemicals
The CAS registry number of Trimethyl Phosphate is 512-56-1.
Molecular formula C3H9O4P, molecular weight 140.07.
It is also registered under: Trimethyl Phosphate, 磷酸三甲酯.
Recorded applications: gasoline additive, methylating agent, flame-resistant solvent for paints and polymers, catalyst in polymers and resins, and to make polymethyl polyphosphates, Painting (Solvents).
Category: Organic Chemicals.
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 Trimethyl Phosphate (CAS 512-56-1), compiled from public chemistry databases.
| CAS Registry Number | 512-56-1 |
|---|---|
| PubChem CID | 10541 |
| Molecular formula | C3H9O4P |
| IUPAC name | trimethyl phosphate |
| UNII (FDA) | Z1E45TMW1Z |
| Molecular Weight | 140.07 |
|---|---|
| XLogP3 | -0.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 140.02384576 |
| Monoisotopic Mass | 140.02384576 |
| Topological Polar Surface Area | 44.8 |
| Heavy Atom Count | 8 |
| Boiling Point | 387 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 197.2 °C |
| Boiling Point | 197.2 °C @760 [mm Hg] |
| Melting Point | -51 °F (NTP, 1992) |
| Melting Point | -46 °C |
| Flash Point | 107 °C |
| Flash Point | 150 °C (302 °F) (Closed cup) |
| Solubility | In water, 5.0X10+5 mg/L at 25 °C |
| Density | 1.2144 g/cu cm at 20 °C |
| Density | 1.97 @ 19.5°C |
TRIMETHYL PHOSPHATE; 512-56-1; Trimethylphosphate; Trimethyl orthophosphate; Phosphoric acid, trimethyl ester; TMPO; Phosphoric acid trimethyl ester; Trimethoxyphosphine oxide; O,O,O-Trimethyl phosphate; Trimethylfosfat; NCI-C03781; DTXSID1021403; Z1E45TMW1Z; NSC-58985; DTXCID101403; CHEBI:46324
| GHS notification summary | 35.1% (121 / 345) |
|---|
| GHS notification summary | 35.1% (121 / 345) |
|---|---|
| Reported hazard statements | H302 (58.6%), H315 (60%), H319 (53.6%), H340 (53.9%), H351 (47.2%), H360, H320, H361 |
This chemical does not meet GHS hazard criteria for 35.1% (121 of 345) of reports.
H302 (58.6%): Harmful if swallowed [Warning Acute toxicity, oral]
Trimethyl Phosphate · CAS 512-56-1 · C3H9O4P. UNII Z1E45TMW1Z. Boiling Point: 387 °F at 760 mmHg (NTP, 1992); Boiling Point: 197.2 °C; Boiling Point: 197.2 °C @760 [mm Hg].
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 磷酸三甲酯