1,1,3,3,3-Pentakis(dimethylamino)-1λ5,3λ5-diphosphazene 1-oxide

CAS 91241-12-2[(CH3)2N]3P=NP(O)[N(CH3)2]2Acids & Bases

1,1,3,3,3-Pentakis(dimethylamino)-1λ5,3λ5-diphosphazene 1-oxide (CAS: 91241-12-2) is a powerful phosphazene base with the molecular formula [(CH3)2N]3P=NP(O)[N(CH3)2]2 and a molecular weight of 312.33 g/mol. This non-ionic, extremely strong organic base is primarily utilised in chemical synthesis as a potent reagent for deprotonation reactions and as a catalyst.

IUPAC: PDPO
Synonyms: 3,3-Pentakis(dimethylamino)-1λ5,3λ5-diphosphazene 1-oxide[(CH3)2N]3P=NP(O)[N(CH3)2]2

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1,1,3,3,3-Pentakis(dimethylamino)-1λ5,3λ5-diphosphazene 1-oxide ([(CH3)2N]3P=NP(O)[N(CH3)2]2) — chemical structure, CAS 91241-12-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Acids & BasesBasesChemical SynthesisPhosphazene BasesSynthetic Reagents

01 /Applications

Organic Synthesis Reagent

As an extremely strong, non-ionic base, this compound serves as a valuable reagent in organic synthesis for deprotonation of weakly acidic C-H, O-H, N-H, and S-H bonds. Its high basicity allows for reactions that are difficult to achieve with conventional bases.

Catalysis

This phosphazene base can act as a catalyst in various organic transformations. Its unique structure and strong basicity enable it to facilitate reactions such as polymerisation or condensation reactions where a potent, non-nucleophilic base is required.

Research and Development

Utilised in academic and industrial research settings for exploring new synthetic methodologies and developing novel chemical entities. Its specific reactivity profile makes it an interesting subject for advanced chemical studies.

02 /Properties

Molecular weight	312.33
Linear formula	[(CH3)2N]3P=NP(O)[N(CH3)2]2
Assay	98%
Boiling point	348 °C(lit.)
Density	1.07 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.495(lit.)
Application	Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen–Bases

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

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	99 °C / 210.2 °F
Transport (UN / ADR)	UN 3267 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	34-37
Safety statements (S)	26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

91241-12-2

MDL number

MFCD00192491

Beilstein registry

1886624

05 /Quality & supply

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.

06 /Frequently asked questions

What is 1,1,3,3,3-Pentakis(dimethylamino)-1λ5,3λ5-diphosphazene 1-oxide used for?

This compound is primarily used as an extremely strong, non-ionic base and reagent in organic synthesis for deprotonation reactions and as a catalyst in chemical transformations.

What is the CAS number and chemical formula?

The CAS number is 91241-12-2 and the chemical formula is [(CH3)2N]3P=NP(O)[N(CH3)2]2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this chemical with an assay of 98%. This product is typically considered a technical or research grade chemical and is not represented as USP, BP, EP, or pharmacopoeia grade.

How should this chemical be handled safely?

This chemical is classified as dangerous and causes severe skin burns and eye damage (H314). It requires the use of full-face respirators, chemical-resistant gloves, goggles, and face shields. Handle in a well-ventilated area or fume hood. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.

How is this chemical typically packed and exported?

This chemical is shipped as a hazardous material, UN 3267, Class 8, Packing Group II. Packaging conforms to international regulations for hazardous goods transport. TSS is a global supplier and exporter.