Dichlone
- Formula: C10H4Cl2O2
- Molecular weight: 227.044
- IUPAC Standard InChIKey: SVPKNMBRVBMTLB-UHFFFAOYSA-N
- CAS Registry Number: 117-80-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 1,4-Naphthalenedione, 2,3-dichloro-; 1,4-Naphthoquinone, 2,3-dichloro-; Algistat; Compound 604; Diclone; Phygon; Phygon Seed Protectant; Phygon XL; Sanquinon; USR 604; 2,3-Dichloro-1,4-naphthalenedione; 2,3-Dichloro-1,4-naphthoquinone; 2,3-Dichloro-1,4-naphthaquinone; CNQ; Dichloronaphthoquinone; ENT 3,776; U.S. rubber 604; Uniroyal; 2,3-Dichlor-1,4-naphthochinon; 2,3-Dichloro-α-naphthoquinone; 2,3-Dichloronaphthoquinone; 2,3-Dichloronaphthoquinone-1,4; 2,3-Dichlor-1,4-naftochinon; Latka 604; Phygon paste; Quintar; Quintar 540F; NSC 537; 2,3-Dichloro-1,4-naphthoquinone (dichlone)
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
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.
Phase change data
Go To: Top, Gas phase ion energetics data, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 469.56 | K | N/A | Donnelly, Drewes, et al., 1990 | Uncertainty assigned by TRC = 0.2 K; TRC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
28.53 | 469. | DSC | Acree, 1991 | See also Donnelly, Drewes, et al., 1990, 2.; AC |
Gas phase ion energetics data
Go To: Top, Phase change data, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
2.21 ± 0.10 | TDEq | Heinis, Chowdhury, et al., 1988 | ΔGea(423 K) = 49.4 kcal/mol; ΔSea = -3.5 eu; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.5 | PE | Redchenko, Freimanis, et al., 1980 | LLK |
9.67 ± 0.02 | PE | Redchenko, Freimanis, et al., 1980 | LLK |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Donnelly, Drewes, et al., 1990
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W.,
Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry,
Thermochim. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Donnelly, Drewes, et al., 1990, 2
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W.,
Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry,
Thermochimica Acta, 1990, 167, 2, 155-187, https://doi.org/10.1016/0040-6031(90)80476-F
. [all data]
Heinis, Chowdhury, et al., 1988
Heinis, T.; Chowdhury, S.; Scott, S.L.; Kebarle, P.,
Electron Affinities of Benzo-, Naphtho-, and Anthraquinones Determined from Gas-Phase Equilibria Measurements,
J. Am. Chem. Soc., 1988, 110, 2, 400, https://doi.org/10.1021/ja00210a015
. [all data]
Redchenko, Freimanis, et al., 1980
Redchenko, V.V.; Freimanis, Y.F.; Dregeris, Y.Y.,
Photoelectron Spectroscopy of 2,3-Disubtituted naphthoquinones,
J. Gen. Chem. USSR, 1980, 50, 1507, In original 1847. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity Tfus Fusion (melting) point ΔfusH Enthalpy of fusion - 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.