Chemical Properties of 1,4-Bis(diphenylphosphino)butane (CAS 7688-25-7)

InChI

InChI=1S/C28H28P2/c1-5-15-25(16-6-1)29(26-17-7-2-8-18-26)23-13-14-24-30(27-19-9-3-10-20-27)28-21-11-4-12-22-28/h1-12,15-22H,13-14,23-24H2

InChI Key

BCJVBDBJSMFBRW-UHFFFAOYSA-N

Formula

C28H28P2

SMILES

c1ccc(P(CCCCP(c2ccccc2)c2ccccc2)c2ccccc2)cc1

Molecular Weight¹

426.47

CAS

7688-25-7

Other Names

• Phosphine, 1,4-butanediylbis[diphenyl-
• Butane-1,4-diylbis(diphenylphosphine)

• C_p,solid : Solid phase heat capacity (J/mol×K).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_subH : Enthalpy of sublimation at a given temperature (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,solid	354.00	J/mol×K	364.00	NIST
ΔfusH	[45.30; 45.30]	kJ/mol	[405.90; 405.90]
ΔfusH	45.30	kJ/mol	405.90	NIST
ΔfusH	45.30	kJ/mol	405.90	NIST
ΔsubH	[171.60; 171.60]	kJ/mol	[440.00; 443.00]
ΔsubH	171.60 ± 2.50	kJ/mol	440.00	NIST
ΔsubH	171.60	kJ/mol	443.00	NIST
ΔvapH	126.00 ± 2.00	kJ/mol	440.00	NIST

Similar Compounds

Find more compounds similar to 1,4-Bis(diphenylphosphino)butane.

Sources

• Crippen Method
• Crippen Method
• McGowan Method
• NIST Webbook

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