1,4-Bis(diphenylphosphino)butane

• Formula: C₂₈H₂₈P₂
• Molecular weight: 426.4694
• IUPAC Standard 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 Copy

  
• IUPAC Standard InChIKey: BCJVBDBJSMFBRW-UHFFFAOYSA-N Copy
• CAS Registry Number: 7688-25-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  View 3d structure (requires JavaScript / HTML 5)
• Other names: Phosphine, 1,4-butanediylbis[diphenyl-; Butane-1,4-diylbis(diphenylphosphine)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Phase change data

Go To: Top, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of sublimation

Enthalpy of fusion

References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hulnick, Van Miltenburg, et al., 1989
Hulnick, J.; Van Miltenburg, K.; Oonk, H.A.; Schuljff, A.J., J. Chem. Eng. Data, 1989, 99. [all data]

Huinink, Van Miltenburg, et al., 1989
Huinink, Jan; Van Miltenburg, Kees; Oonk, Harry A.J.; Schuijff, Abraham; Groen, Paul, Thermodynamic functions and vapor pressures of triphenylphosphine oxide and 1,4-bis(diphenylphosphino)butane near the melting point, J. Chem. Eng. Data, 1989, 34, 1, 99-100, https://doi.org/10.1021/je00055a028 . [all data]

Huinink, van Miltenberg, et al., 1989
Huinink, J.; van Miltenberg, K.; Oonk, H.A.J.; Scherijff, A., Thermodynamic functions and vapor pressures of triphenylphosphine oxide and 1,4-bis(diphenylphosphino)butane, J. Chem. Eng. Data, 1989, 34(1), 99-100. [all data]

Notes

Go To: Top, Phase change data, References

• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔvapH	Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.