Pyridine
- Formula: C5H5N
- Molecular weight: 79.0999
- IUPAC Standard InChIKey: JUJWROOIHBZHMG-UHFFFAOYSA-N
- CAS Registry Number: 110-86-1
- Chemical structure:
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- Other names: Azabenzene; Azine; NCI-C55301; Piridina; Pirydyna; Pyridin; Rcra waste number U196; UN 1282; Pyr; CP 32; NSC 406123
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Critical temperature
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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
| Tc (K) | Reference | Comment |
|---|---|---|
| 620.2 | Brunner, 1987 | Uncertainty assigned by TRC = 0.61 K; Visual, optical cell 30cm high. TE cal. vs PRT; TRC |
| 620. | Majer and Svoboda, 1985 | |
| 619.95 | Ambrose and Grant, 1957 | Uncertainty assigned by TRC = 0.2 K; TRC |
| 618.15 | Kreglewski, 1957 | Uncertainty assigned by TRC = 0.4 K; TRC |
| 620. | Kobe, Ravicz, et al., 1956 | Uncertainty assigned by TRC = 2. K; TRC |
| 618. | Kreglewski, 1954 | Uncertainty assigned by TRC = 0.35 K; by disappearance of meniscus reference to critical consts. given as "previous paper", but no data for pyridine was found there; TRC |
| 617.75 | Kreglewski, 1954 | Uncertainty assigned by TRC = 0.35 K; by disappearance of meniscus reference to critical consts. given as "previous paper", but no data for pyridine was found there; TRC |
| 618.15 | Swietoslawski and Kreglewski, 1954 | Uncertainty assigned by TRC = 0.4 K; TRC |
| 620.15 | Livingston, Morgan, et al., 1908 | Uncertainty assigned by TRC = 6. K; calculation based on extrap. of density and surface tension; TRC |
References
Go To: Top, Critical temperature, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Brunner, 1987
Brunner, E.,
Fluid mixtures at high pressures VI. Phase separation and critical phenomina in 18 binary mixtures containing either pyridine or ethanoic acid,
J. Chem. Thermodyn., 1987, 19, 823. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Ambrose and Grant, 1957
Ambrose, D.; Grant, D.G.,
The Critical Temperatures of Some Hydrocarbons and Pyridine Bases,
Trans. Faraday Soc., 1957, 53, 771. [all data]
Kreglewski, 1957
Kreglewski, A.,
Critical temperatures of the mixtures of acetic acid and pyridine with n-paraffins,
Rocz. Chem., 1957, 31, 1001. [all data]
Kobe, Ravicz, et al., 1956
Kobe, K.A.; Ravicz, A.E.; Vohra, S.P.,
Critical Properties and Vapor Pressures of Some Ethers and Heterocyclic Compounds,
J. Chem. Eng. Data, 1956, 1, 50. [all data]
Kreglewski, 1954
Kreglewski, A.,
Critical State of Two-Component Systems Formed by Pyridine with Isopropyl, Isobutyl, and Isoamyl Alcohols III.,
Bull. Acad. Pol. Sci., Cl. 3, 1954, 2, 191. [all data]
Swietoslawski and Kreglewski, 1954
Swietoslawski, W.; Kreglewski, A.,
The Critical State of Negtative Azeotropes I. System of Acetic Acid- Pyridine,
Bull. Acad. Pol. Sci., Cl. 3, 1954, 2, 77. [all data]
Livingston, Morgan, et al., 1908
Livingston, J.; Morgan, R.; Higgins, E.,
The Weight of Falling Drops and Tate's Laws. Determination of Molecular Weights and Critical Temp. of Liquids Using Drop Weights: II.,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1908, 64, 170. [all data]
Notes
Go To: Top, Critical temperature, References
- Symbols used in this document:
Tc Critical temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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