Dimethyl phosphite
Dimethyl phosphite (CAS 868-85-9) with the linear formula (CH3O)2P(O)H and a molecular weight of 110.05 g/mol is a key organophosphorus compound. It serves as a versatile building block in organic synthesis. Its properties make it valuable in the development of various chemical intermediates and specialised compounds, contributing to advancements in material science and chemical manufacturing.
Organic Synthesis Intermediate
Dimethyl phosphite is widely employed as a phosphorus-containing reagent in various organic transformations. It is instrumental in the synthesis of more complex organophosphorus compounds.
Building Block for Specialty Chemicals
Its reactive nature allows it to function as a foundational component in the creation of fine chemicals and functional materials. It is used in producing flame retardants and pesticides.
Precursor in Pharmaceutical Synthesis
This compound can serve as an intermediate in the multi-step synthesis pathways for certain pharmaceutical agents, contributing to the development of new therapeutic compounds.
| Molecular weight | 110.05 |
|---|---|
| Linear formula | (CH3O)2P(O)H |
| Assay | 98% |
| Boiling point | 170-171 °C(lit.) |
| Density | 1.2 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.402(lit.) |
| Impurities tested | ≤0.5% trimethyl phosphate≤1% methyl alcohol |
Hazard statements
- H317May cause an allergic skin reaction
- H341Suspected of causing genetic defects
- H351Suspected of causing cancer
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 70 °C / 158 °F |
| Transport (UN / ADR) | UN 3278 6.1 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 40-43-52/53-68 |
| Safety statements (S) | 36/37-61 |
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 Dimethyl phosphite (CAS 868-85-9) used for?
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Dimethyl phosphite is primarily used as a building block in organic synthesis and as an intermediate for producing specialty chemicals and pharmaceuticals. It is also found in the synthesis of pesticides and flame retardants.
What is the CAS number and formula for Dimethyl phosphite?
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The CAS number for Dimethyl phosphite is 868-85-9, and its linear formula is (CH3O)2P(O)H.
What grade and purity does Tech Serve Solutions supply for Dimethyl phosphite?
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Tech Serve Solutions supplies Dimethyl phosphite with an assay of 98%. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How is Dimethyl phosphite safely handled?
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Dimethyl phosphite is classified with GHS07 and GHS08 symbols and a 'Warning' signal word. It carries hazard statements H317 (may cause an allergic skin reaction), H341 (suspected of causing genetic defects), H351 (suspected of causing cancer), and H412 (harmful to aquatic life with long lasting effects). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and respiratory protection (e.g., type ABEK respirator filter), is essential. It should be handled in a well-ventilated area, avoiding release into the environment (P273).
Does TSS export Dimethyl phosphite?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Dimethyl phosphite.
How can I request a quote or sample for Dimethyl phosphite?
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To request a quote or sample for Dimethyl phosphite, please contact our sales team through the website or directly via email or phone, providing your specific requirements.
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