Vitamin C
- Formula: C6H8O6
- Molecular weight: 176.1241
- IUPAC Standard InChI: InChI=1S/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-10H,1H2
- IUPAC Standard InChIKey: CIWBSHSKHKDKBQ-UHFFFAOYSA-N
- CAS Registry Number: 50-81-7
- 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: L-Ascorbic acid; Antiscorbutic vitamin; Antiscorbic vitamin; Catavin C; Cevitamin; Ascorbic Acid; Adenex; Allercorb; Ascorbajen; Ascorbutina; Ascorin; Ascorteal; Ascorvit; C-Quin; C-Vimin; Cantan; Cantaxin; Ce-Mi-Lin; Ce-Vi-Sol; Cebicure; Cebion; Cebione; Cecon; Cegiolan; Ceglion; Celaskon; Celin; Cemagyl; Cenetone; Cereon; Cergona; Cescorbat; Cetamid; Cetemican; Cevalin; Cevatine; Cevex; Cevimin; Cevital; Cevitamic acid; Cevitan; Cevitex; Ciamin; Cipca; Colascor; Concemin; Davitamon C; Hybrin; IDO-C; L-(+)-Ascorbic Acid; L-threo-Hex-2-enonic acid, γ-lactone; L-Lyxoascorbic acid; L-Xyloascorbic acid; L-3-Ketothreo-hexuronic acid lactone; Laroscorbine; Lemascorb; Liqui-Cee; Planavit C; Proscorbin; Redoxon; Ribena; Scorbu-C; Secorbate; Testascorbic; Vicelat; Vicin; Viforcit; Vitace; Vitacee; Vitacimin; Vitacin; Vitamisin; Vitascorbol; Xitix; Xyloascorbic acid, L-; 3-Keto-L-gulofuranolactone; 3-Oxo-L-gulofuranolactone; Arco-Cee; Ascoltin; Ascor-B.I.D.; Ascorb; Ascorbicap; C-Level; C-Long; C-Span; Ce lent; Cebid; Cee-Caps TD; Cee-Vite; Cemill; Cenolate; Cetane; Cetane-Caps TD; Cevi-Bid; Citriscorb; Dora-C-500; Hicee; Meri-C; Natrascorb; NCI-C54808; Roscorbic; Vicomin C; Viscorin; Ascorbate; Ascorbicab; Ascorbin; Cewin; Duoscorb; Kyselina askorbova; NSC 33832; Scorbacid; Cetane-Caps TC; Cetebe; Ceklin; (+)-Ascorbic acid; Ascorell; Viscorin 100M; Vasc; Rovimix C; L-threo-Ascorbic acid; Juvamine; Cinal; E 300; Chromagen (Salt/Mix); Cortalex (Salt/Mix); Ferancee (Salt/Mix); Mediatric (Salt/Mix); Stuartinic (Salt/Mix); Tolfrinic (Salt/Mix); Veliten (Salt/Mix)
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), NIST Subscription Links, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -277.3 ± 0.2 | kcal/mol | Ccb | Gerasimov, Blokh, et al., 1985 | |
| ΔfH°solid | -278.34 ± 0.24 | kcal/mol | Ccb | Desai and Wilhoit, 1970 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -560.3 ± 0.2 | kcal/mol | Ccb | Gerasimov, Blokh, et al., 1985 | Corresponding ΔfHºsolid = -277.32 kcal/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°solid | -559.23 ± 0.23 | kcal/mol | Ccb | Desai and Wilhoit, 1970 | Corresponding ΔfHºsolid = -278.34 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
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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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 464. | K | N/A | Kofler and Sitte, 1950 | Uncertainty assigned by TRC = 2. K; With "hot stage", set |
| Tfus | 461. | K | N/A | Kofler and Sitte, 1950 | Uncertainty assigned by TRC = 5. K; By "differential thermal absorption". |
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | Japan AIST/NIMC Database- Spectrum MS-IW-3282 |
| NIST MS number | 228563 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gerasimov, Blokh, et al., 1985
Gerasimov, P.A.; Blokh, E.L.; Gubareva, A.I.,
Standard heats of formation of intermediates in the synthesis of vitamin C,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1985, 28, 54-56. [all data]
Desai and Wilhoit, 1970
Desai, P.; Wilhoit, R.C.,
Heats of combustion and enthalpies of formation of D-ribose, D-arabinose, and L-ascorbic acid,
Thermochim. Acta, 1970, 1, 61-64. [all data]
Kofler and Sitte, 1950
Kofler, L.; Sitte, H.,
Melting Point Determination of Substances with Melt with Decomposition,
Monatsh. Chem., 1950, 81, 619. [all data]
Notes
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- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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