1,2-Bis(dimethylphosphino)ethane
1,2-Bis(dimethylphosphino)ethane (CAS 23936-60-9) is a bidentate phosphine ligand with the molecular formula (CH3)2PCH2CH2P(CH3)2 and a molecular weight of 150.14 g/mol. This compound is primarily utilised in catalysis and chemical synthesis. Its structure makes it valuable for coordinating with transition metals, facilitating a range of organic transformations and inorganic complex formations. It is supplied by Tech Serve Solutions with an assay of 97%.
- IUPAC
- DMPE,Dimethyl-2-(dimethylphosphino)ethylphosphine,Ethylenebis(dimethylphosphine)
- Synonyms
- DMPEDimethyl-2-(dimethylphosphino)ethylphosphineEthylenebis(dimethylphosphine)

Catalysis
As a bidentate phosphine ligand, 1,2-Bis(dimethylphosphino)ethane is effective in coordinating with transition metals, forming stable complexes crucial for homogeneous catalysis. These complexes can catalyse various organic reactions, including cross-coupling and hydrogenation.
Chemical Synthesis
This compound serves as a valuable building block or reagent in complex organic and organometallic synthesis. Its phosphine functionalities allow for tailored modifications and incorporation into larger molecular structures.
Coordination Chemistry
1,2-Bis(dimethylphosphino)ethane is employed in the study and synthesis of coordination complexes. Its chelating ability influences the electronic and steric properties of metal centres, impacting reactivity and stability.
| Molecular weight | 150.14 |
|---|---|
| Linear formula | (CH3)2PCH2CH2P(CH3)2 |
| Assay | 97% |
| Boiling point | 180 °C(lit.) |
| Density | 0.9 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.507(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- 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 | -16 °C / 3.2 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 1,2-Bis(dimethylphosphino)ethane used for?
+
1,2-Bis(dimethylphosphino)ethane is primarily used as a ligand in catalysis and in chemical synthesis, particularly in the formation of coordination complexes with transition metals.
What is the CAS number and formula for 1,2-Bis(dimethylphosphino)ethane?
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The CAS number for 1,2-Bis(dimethylphosphino)ethane is 23936-60-9, and its linear formula is (CH3)2PCH2CH2P(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2-Bis(dimethylphosphino)ethane with an assay of 97%. This product is not represented as USP, BP, or EP grade.
What are the safety considerations when handling 1,2-Bis(dimethylphosphino)ethane?
+
1,2-Bis(dimethylphosphino)ethane is a flammable liquid and vapour (H225) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area away from ignition sources.
How is 1,2-Bis(dimethylphosphino)ethane shipped and exported?
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1,2-Bis(dimethylphosphino)ethane is shipped and exported according to international regulations for flammable liquids, typically under UN 1993, Packing Group II.
How can I request a sample or quote for 1,2-Bis(dimethylphosphino)ethane?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team via our website or by phone, providing the product name and CAS number (23936-60-9).
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