Methyl dichlorophosphate
Methyl dichlorophosphate (CAS 677-24-7), with the molecular formula Cl2P(O)OCH3 and a molecular weight of 148.91 g/mol, is a reactive organophosphorus compound. It serves as a valuable intermediate in chemical synthesis. Its applications are primarily within organic chemistry research and the production of more complex phosphorus-containing molecules. This chemical is supplied by Tech Serve Solutions for laboratory and industrial applications.
- IUPAC
- Methyl phosphorodichloridate

Organic Synthesis Intermediate
Methyl dichlorophosphate is a versatile building block used in the synthesis of various organic compounds. It can participate in reactions to introduce phosphorus-containing functional groups into target molecules.
Phosphorylation Reagent
This compound can act as a phosphorylating agent in organic chemistry. It is employed in research settings for the creation of novel phosphodiesters and related structures.
Precursor for Specialty Chemicals
It can be used as a precursor for the development of specialty chemicals and functional materials where phosphorus incorporation is desired for specific properties.
| Molecular weight | 148.91 |
|---|---|
| Linear formula | Cl2P(O)OCH3 |
| Assay | 85% |
| Boiling point | 62-64 °C/15 mmHg(lit.) |
| Density | 1.488 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.436(lit.) |
| Storage temperature | 2-8°C |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- 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 | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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 Methyl dichlorophosphate used for?
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Methyl dichlorophosphate is primarily used as an intermediate in organic synthesis and as a phosphorylating reagent for the preparation of phosphorus-containing organic compounds.
What is the CAS number and formula for Methyl dichlorophosphate?
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The CAS number is 677-24-7 and the molecular formula is Cl2P(O)OCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl dichlorophosphate with an assay of 85%. TSS does not represent this product as USP, BP, or EP grade.
How should Methyl dichlorophosphate be handled and stored?
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Methyl dichlorophosphate is corrosive and causes severe skin burns and eye damage (H314). It requires careful handling with appropriate personal protective equipment, including gloves, goggles, and respiratory protection. Store at 2-8°C.
Is Methyl dichlorophosphate a controlled substance?
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The provided data does not indicate that Methyl dichlorophosphate is a controlled substance.
How is Methyl dichlorophosphate shipped and exported?
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Methyl dichlorophosphate is shipped as UN 3265, Class 8, Packing Group II. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for Methyl dichlorophosphate?
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Please contact our sales team through the website to request a sample or a quote for Methyl dichlorophosphate.
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