Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite
Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite (CAS 92611-10-4) is a phosphorodiamidite compound with the molecular formula C13H30N2OP. Possessing a molecular weight of 262.37 g/mol, this chemical serves as a valuable reagent in organic synthesis, particularly in nucleoside chemistry and as a coupling reagent. Its structure features a central phosphorus atom bonded to a methoxy group and two diisopropylamino groups, enabling specific reactivity in chemical transformations.
- IUPAC
- Bis(diisopropylamino)methoxyphosphine;
- Synonyms
- N′-tetraisopropylphosphorodiamidite,92611-10-4, [[(CH3)2CH]2N]2POCH3, Bis(diisopropylamino)methoxyphosphine

Nucleoside Chemistry
Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite is employed in the synthesis of nucleosides and nucleotides. It facilitates the formation of phosphite triester linkages, crucial for creating modified nucleic acid structures for research and therapeutic applications.
Coupling Reagent
This compound functions as an effective coupling reagent in various organic synthesis pathways. Its reactivity allows for the efficient formation of new chemical bonds, making it useful in the construction of complex molecules.
Phosphorus Precursor
As a source of trivalent phosphorus, it can be utilized in reactions requiring the introduction of phosphorus-containing moieties. This is particularly relevant in the development of new organophosphorus compounds with diverse applications.
Chemical Synthesis Intermediate
It serves as a versatile intermediate in multi-step chemical syntheses. Its specific functional groups enable controlled transformations and the creation of target molecules in research and development settings.
| Molecular weight | 262.37 |
|---|---|
| Linear formula | [[(CH3)2CH]2N]2POCH3 |
| Assay | 97% |
| Boiling point | 74-75 °C/0.45 mmHg(lit.) |
| Density | 0.915 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.461(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 87 °C / 188.6 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 14-36/37/38 |
| Safety statements (S) | 7-26-36 |
| 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 Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite used for?
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Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite is used in organic synthesis, particularly in nucleoside chemistry as a coupling reagent and as a phosphorus precursor in the synthesis of organophosphorus compounds.
What are the CAS number and formula for Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite?
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The CAS number is 92611-10-4, and its linear formula is [[(CH3)2CH]2N]2POCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite be handled safely?
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This compound is a Warning chemical that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). It reacts violently with water. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be worn. Handle in a well-ventilated area and avoid contact with water.
How is Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with all relevant international regulations. For bulk quantities or specific packaging requirements, please contact our sales team.
How can I request a sample or quote for Methyl N,N,N′,N′-tetraisopropylphosphorodiamidite?
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To request a sample or a quote, please use the contact form on our website or email our sales department directly with your inquiry and specifications.
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