diethyl (trichloromethyl)phosphonate (CAS 866-23-9) — formula C5.H10.Cl3.O3.P, molecular weight 255.5; category organic chemicals.
diethyl (trichloromethyl)phosphonate (CAS 866-23-9) is a chemical raw material in the organic chemicals category. Its molecular formula C5.H10.Cl3.O3.P comprises 5 C, 10 H, 3 Cl, 3 O, 1 P atoms. Its molecular weight is about 255.5. Reported physicochemical data: LogP about 2.2. 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 | 866-23-9 |
|---|---|
| Molecular Formula | C5.H10.Cl3.O3.P |
| Molecular Weight | 255.5 |
| LogP | 2.2 |
| Applications | Water treatment, industrial cleaning, corrosion inhibition |
| Category | Organic Chemicals |
Documented applications: Water treatment, industrial cleaning, corrosion inhibition.
diethyl (trichloromethyl)phosphonate is a carbon-based organic compound with CAS registry number 866-23-9 and molecular formula C5.H10.Cl3.O3.P (molecular weight 255.5), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 866-23-9
Its molecular formula C5.H10.Cl3.O3.P comprises 5 C, 10 H, 3 Cl, 3 O, 1 P atoms.
Also known as: diethyl (trichloromethyl)phosphonate · (三氯甲基)膦酸二乙酯
Category: organic chemicals
The CAS registry number of diethyl (trichloromethyl)phosphonate is 866-23-9.
Molecular formula C5.H10.Cl3.O3.P, molecular weight 255.5.
It is also registered under: diethyl (trichloromethyl)phosphonate, (三氯甲基)膦酸二乙酯.
Recorded applications: Water treatment, industrial cleaning, corrosion inhibition.
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 diethyl (trichloromethyl)phosphonate (CAS 866-23-9), compiled from public chemistry databases.
| CAS Registry Number | 866-23-9 |
|---|---|
| PubChem CID | 70085 |
| Molecular formula | C5.H10.Cl3.O3.P |
| IUPAC name | 1-[ethoxy(trichloromethyl)phosphoryl]oxyethane |
| UNII (FDA) | LKC8DWP2F4 |
| Molecular Weight | 255.5 |
|---|---|
| XLogP3 | 2.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 4 |
| Exact Mass | 253.943314 |
| Monoisotopic Mass | 253.943314 |
| Topological Polar Surface Area | 35.5 |
| Heavy Atom Count | 12 |
| Density | 1.362 @25 °C |
|---|
Diethyl (trichloromethyl)phosphonate; RefChem:587041; 622-785-4; 866-23-9; Diethyl trichloromethylphosphonate; Diethyltrichloromethylphosphonate; 1-[ethoxy(trichloromethyl)phosphoryl]oxyethane; Ro 3-0658; MFCD00013666; Phosphonic acid, trichloromethyl-, diethyl ester; Phosphonic acid, (trichloromethyl)-, diethyl ester; AI3-18556; WLN: GXGGPO&O2&O2; (Trichloromethyl)phosphonic Acid Diethyl Ester; NSC-46567; CS-0151420
| Reported hazard statements | H302 (11.1%), H315 (100%), H319 (100%), H335 (97.8%) |
|---|
H302 (11.1%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
diethyl (trichloromethyl)phosphonate · CAS 866-23-9 · C5.H10.Cl3.O3.P. UNII LKC8DWP2F4. Density: 1.362 @25 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: (三氯甲基)膦酸二乙酯