2-Butenal, (E)-

Formula: C₄H₆O
Molecular weight: 70.0898
IUPAC Standard InChI: InChI=1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+
IUPAC Standard InChIKey: MLUCVPSAIODCQM-NSCUHMNNSA-N
CAS Registry Number: 123-73-9
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)
Stereoisomers:
- 2-Butenal, (Z)-
- 2-Butenal
Other names: Crotonaldehyde, (E)-; (E)-Crotonaldehyde; trans-Crotonaldehyde; trans-2-Butenal; Topanel CA; E-Crotonic aldehyde; E-Crotylaldehyde; trans-Crotonal; Aldehyde crotonique; β-Methyl acrolein, trans; NCI-C56279; Rcra waste number U053; Topanel; But-(E)-2-enal; (E)-2-Butenal; (E)-But-2-enal; t-2-Butenal; 2-Butenal, (2E)-; 2-Butenal; Crotonal; Crotonaldehyde
Permanent link for this species. Use this link for bookmarking this species for future reference.
Information on this page:
Other data available:
Options:
- Switch to calorie-based units

Data at NIST subscription sites:

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.

Condensed phase thermochemistry data

Go To: Top, Henry's Law data, References, Notes

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

C_p,liquid (J/mol*K)	Temperature (K)	Reference	Comment
148.6	298.35	Baglay, Gurariy, et al., 1988	T = 270 to 340 K. Unsmoothed experimental datum.
148.6	298.35	Baglai, Baev, et al., 1984	T = 273 to 343 K. Cp(liq) = -0.23229 + 0.14081T - 2.1x10-5T2 kJ/kg*K (273 to 343 K).

Henry's Law data

Go To: Top, Condensed phase thermochemistry data, References, Notes

Data compiled by: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

k°_H (mol/(kg*bar))	d(ln(k_H))/d(1/T) (K)	Method	Reference	Comment
50.		X	N/A
51.		X	N/A	Value given here as quoted by missing citation.
59.	3600.	X	N/A
51.		M	N/A

References

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, Notes

Baglay, Gurariy, et al., 1988
Baglay, A.K.; Gurariy, L.L.; Kuleshov, G.G., Physical properties of compounds used in vitamin synthesis, J. Chem. Eng. Data, 1988, 33, 512-518. [all data]

Baglai, Baev, et al., 1984
Baglai, A.K.; Baev, A.A.; Belousov, V.P.; Beregovykh, V.V.; Grushenko, M.M.; Gurarii, L.L.; Konstantinov, S.G.; Kostyushko, Yu.L.; Kuleshov, G.G.; Pasechnik, N.I.; Petrashkevich, R.I.; Podkovyrov, A.I.; Sitnov, A.A.; Shishko, M.A.; Shulgin, I.L., Investigation of the physico-chemical characteristics of substances utilized in the synthesis of vitamins A and E, Khim. Farm. Zhur., 1984, 18, 1013-1019. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, References

Symbols used in this document:

C_p,liquid Constant pressure heat capacity of liquid

d(ln(k_H))/d(1/T) Temperature dependence parameter for Henry's Law constant

k°_H Henry's Law constant at 298.15K
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.

C_p,liquid	Constant pressure heat capacity of liquid
d(ln(k_H))/d(1/T)	Temperature dependence parameter for Henry's Law constant
k°_H	Henry's Law constant at 298.15K