1,2-Ethanediylbis(diphenylphosphine)

Basic Information

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CAS Number

1663-45-2

Molecular Formula

C26H24P2

Molecular Weight

398.43 g/mol

Chemical Classification

Agricultural Chemicals Pesticides Insecticides

Basic Physical Properties

Melting Point

137.0 to 144.0 deg-C

Boiling Point

514.8°C at 760 mmHg

Flash Point

281.7℃

Solubility

Soluble in acetone, methanol and alcoholic hydrochloric acid.

SMILES

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C1=CC=C(C=C1)P(CCP(C2=CC=CC=C2)C3=CC=CC=C3)C4=CC=CC=C4

InChI

InChI=1S/C26H24P2/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h1-20H,21-22H2

InChIKey

QFMZQPDHXULLKC-UHFFFAOYSA-N

LogP

5.252200000000005

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

336

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H332 Harmful if inhaled
Acute toxicity, inhalation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

Stable. Combustible. Incompatible with strong oxidizing agents. May be air-sensitive.

Sensitiveness

Air Sensitive

Synonyms & References

English

CS-W008662
1,2-bis-(diphenylphosphino)-ethane
Diphos
1,2-bis(diphenylphosphino)-ethane
[2-(DIPHENYLPHOSPHANYL)ETHYL]DIPHENYLPHOSPHANE
CHEMBL68683
NSC 76285
1,?2-?Bis(diphenylphosphin?o)?ethane
DPPE [MI]
KL33QE52I4
Phosphine, 1,2-ethanediylbis(diphenyl-
AMY19693
1,2-Bis(diphenylphosphino)ethane
Bis(diphenylphosphine)ethane
EINECS 216-769-2
Ethylenebis(diphenylphosphine), 99%
DTXSID2061858
MFCD00003047
AKOS004902197
1,2-Bis(diphenylphosphino)ethane (DPPE)
ethane-1,2-diylbis(diphenylphosphane)
1,2-bis-diphenylphosphinoethane
B1137
A810721
PHOSPHINE, 1,2-ETHANEDIYLBIS[DIPHENYL-
Q-201094
1,2-bis(diphenylphosphino) ethane
2-diphenylphosphanylethyl(diphenyl)phosphane
2-(4-benzylphenoxy)-N,N-diethyl-ethanamine hydrochloride
1,2-Ethanediylbis(diphenylphosphine)
ETHANEDIYLBIS(DIPHENYLPHOSPHINE)

MDL Number

MFCD00003047

Customs Code

29310095

FAQ

What is 1,2-Ethanediylbis(diphenylphosphine) (CAS: 1663-45-2)?

1,2-Ethanediylbis(diphenylphosphine), with CAS number 1663-45-2, is a chemical compound consisting of two diphenylphosphine groups connected by an ethylene bridge. It is a white solid commonly used as a phosphine ligand in coordination chemistry. The compound exhibits high thermal stability and is soluble in organic solvents like ethyl acetate and toluene.

What are the main uses of 1,2-Ethanediylbis(diphenylphosphine) (CAS: 1663-45-2)?

1,2-Ethanediylbis(diphenylphosphine) (CAS: 1663-45-2) is widely utilized in pharmaceuticals for drug synthesis, in industrial processes as a catalyst, and in research for organic reactions. It also serves as a precursor in the development of advanced materials and is employed in polymer science for functionalization applications.

Is 1,2-Ethanediylbis(diphenylphosphine) (CAS: 1663-45-2) safe?

1,2-Ethanediylbis(diphenylphosphine) (CAS: 1663-45-2) is generally considered safe when handled properly. However, it requires caution due to potential toxicity if inhaled or ingested. Protective measures include wearing gloves, goggles, and ensuring adequate ventilation. Safety standards recommend compliance with OSHA guidelines for chemical exposure limits.

How should 1,2-Ethanediylbis(diphenylphosphine) (CAS: 1663-45-2) be stored?

Store 1,2-Ethanediylbis(diphenylphosphine) (CAS: 1663-45-2) in a cool, dry, and dark place, ideally below 25°C. Keep it in a sealed container, away from moisture and air. Maintain low humidity levels and avoid exposure to light to ensure stability. Use a desiccator for long-term storage to prevent degradation.