Dimethylphosphoramidous dichloride
Dimethylphosphoramidous dichloride (CAS: 683-85-2) is an organophosphorus compound with the linear formula (CH3)2NPCl2 and a molecular weight of 145.96 g/mol. This chemical, also known as N,N-Dimethylphosphoramidous dichloride, is primarily utilised as a building block in chemical synthesis and organic chemistry. Its reactive nature makes it valuable for introducing phosphorus-containing moieties into various molecular structures. Tech Serve Solutions supplies this compound with an assay of 97%.
- Synonyms
- N,N-Dimethylphosphoramidous dichloride

Phosphorylation Reagent
Serves as a key reagent in organic synthesis for the introduction of phosphorus-containing functional groups. Its dichloride structure allows for versatile reactions with nucleophiles.
Intermediate in Organic Synthesis
Utilised as a building block for creating more complex organic molecules. It is a valuable precursor in the synthesis of various phosphorus-based compounds.
Research and Development
Employed in academic and industrial research laboratories for exploring novel synthetic routes and developing new materials and pharmaceuticals.
| Molecular weight | 145.96 |
|---|---|
| Linear formula | (CH3)2NPCl2 |
| Assay | 97% |
| Boiling point | 150 °C(lit.) |
| Density | 1.271 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.505(lit.) |
| Storage temperature | 2-8°C |


Hazard statements
- H225Highly flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -23 °C / -9.4 °F |
| Transport (UN / ADR) | UN 2924 8(3) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-14-34 |
| Safety statements (S) | 16-23-26-27-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Dimethylphosphoramidous dichloride used for?
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Dimethylphosphoramidous dichloride (CAS: 683-85-2) is used as a building block in chemical synthesis and organic chemistry for introducing phosphorus-containing groups into molecules.
What is the CAS number and formula for Dimethylphosphoramidous dichloride?
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The CAS number is 683-85-2 and the linear formula is (CH3)2NPCl2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dimethylphosphoramidous dichloride with an assay of 97%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP.
How should Dimethylphosphoramidous dichloride be handled safely?
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Dimethylphosphoramidous dichloride is classified as Danger, is flammable (H225), and causes severe skin burns and eye damage (H314). It reacts violently with water. Appropriate personal protective equipment including a faceshield, gloves, goggles, and a suitable respirator must be used. Store at 2-8°C.
Is Dimethylphosphoramidous dichloride packed and shipped internationally?
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Yes, Tech Serve Solutions exports and ships chemicals globally. UN 2924, Hazard Class 8(3), Packing Group II regulations apply for transport.
How can I request a quote or sample for Dimethylphosphoramidous dichloride?
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To request a quote or sample, please use the contact form on our website or contact our sales department directly.
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