1,2-Bis(dichlorophosphino)ethane

CAS 28240-69-9Cl2PCH2CH2PCl2Catalysis & Inorganic

1,2-Bis(dichlorophosphino)ethane (CAS 28240-69-9) is an organophosphorus compound with the linear formula Cl2PCH2CH2PCl2 and a molecular weight of 231.81 g/mol. This chemical serves as a valuable precursor in organometallic chemistry and catalysis, particularly for the synthesis of polydentate phosphine ligands. Its reactivity makes it a key intermediate for developing advanced materials and catalysts used in various chemical synthesis applications.

IUPAC: 1,2-Ethanediylbis[phosphonous dichloride],Ethylenebis(dichlorophosphine),P,P′-(1,2-Ethanediyl)bis(dichlorophosphane)
Synonyms: Cl2PCH2CH2PCl21,2-Ethanediylbis[phosphonous dichloride]Ethylenebis(dichlorophosphine)P,P′-(1,2-Ethanediyl)bis(dichlorophosphane)

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1,2-Bis(dichlorophosphino)ethane (Cl2PCH2CH2PCl2) — chemical structure, CAS 28240-69-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisPhosphine Compounds

01 /Applications

Synthesis of Polydentate Phosphine Ligands

This compound is a fundamental building block for constructing bidentate phosphine ligands, which are crucial in homogeneous catalysis. These ligands can coordinate to metal centers, influencing catalytic activity and selectivity in organic transformations.

Organometallic Chemistry

It is employed as a reagent in organometallic synthesis to introduce the bis(phosphino)ethane moiety. This enables the formation of diverse organometallic complexes with potential applications in catalysis and materials science.

Catalysis Research

1,2-Bis(dichlorophosphino)ethane is utilized in research settings to develop novel catalytic systems. Its ability to form chelating ligands allows for fine-tuning the electronic and steric properties of metal catalysts.

Chemical Synthesis Intermediate

As a difunctional organophosphorus compound, it acts as an intermediate in the synthesis of more complex phosphorus-containing molecules. Its dichlorophosphine groups offer reactive sites for further chemical modification.

02 /Properties

Molecular weight	231.81
Linear formula	Cl2PCH2CH2PCl2
Assay	97%
Boiling point	70 °C/1 mmHg(lit.)
Density	1.536 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.588(lit.)

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
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.

04 /Identifiers & registry

CAS number

28240-69-9

MDL number

MFCD00009609

PubChem substance

24855843

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 1,2-Bis(dichlorophosphino)ethane used for?

1,2-Bis(dichlorophosphino)ethane is primarily used as a precursor for synthesizing polydentate phosphine ligands, which are important in organometallic chemistry and catalysis. It also serves as an intermediate in chemical synthesis for creating complex phosphorus-containing compounds.

What is the CAS number and formula for 1,2-Bis(dichlorophosphino)ethane?

The CAS number for 1,2-Bis(dichlorophosphino)ethane is 28240-69-9, and its linear formula is Cl2PCH2CH2PCl2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 1,2-Bis(dichlorophosphino)ethane with an assay of 97%. This product is supplied for research and laboratory use, and we do not represent it as USP, BP, or EP grade.

How should 1,2-Bis(dichlorophosphino)ethane be handled?

1,2-Bis(dichlorophosphino)ethane is a corrosive substance (H314). Handling requires appropriate personal protective equipment, including faceshields, a full-face respirator or type ABEK respirator filter, gloves, and goggles. Ensure adequate ventilation and follow safety statements such as P280, P305 + P351 + P338, and P310.

How is 1,2-Bis(dichlorophosphino)ethane packed and exported?

1,2-Bis(dichlorophosphino)ethane is typically packed according to UN 3265, Class 8, Packing Group II regulations for safe transport. As a global supplier, Tech Serve Solutions exports this chemical worldwide, adhering to all relevant shipping and customs requirements.

How can I request a quote or sample for 1,2-Bis(dichlorophosphino)ethane?

To request a quote or a sample of 1,2-Bis(dichlorophosphino)ethane, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels. Provide your contact details and the quantity required.