Sodium ascorbate

Also known as: L-Ascorbic acid sodium salt, Sodium L-ascorbate, Vitamin C sodium salt, E301, Sodium (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate, L(+)-Ascorbic acid sodium salt

Sodium ascorbate (CAS 134-03-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7NaO6 and a molecular weight of 198.106 g/mol. Key properties include a melting point of 220 °C (dec.)(lit.), a boiling point of 552.7ºC at 760 mmHg, a density of 1.799 g/cm3 and a flash point of 238.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 134-03-2
Jingsj CID: J-38501-3
Molecular Formula: C₆H₇NaO₆
Molecular Weight: 198.106 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	220 °C (dec.)(lit.)
Boiling Point	552.7ºC at 760 mmHg
Density	1.799 g/cm3
Flash Point	238.2ºC
Exact Mass	198.014038
PSA	110.05000
Vapor Pressure	1.62E-14mmHg at 25°C
Refractive Index	105.5 ° (C=10, H2O)
Additional Property	620 g/L (20 ºC)

Activity & Biological Data

Additional Information	[1]. Hinek A, et al. Sodium L-ascorbate enhances elastic fibers deposition by fibroblasts from normal and pathologic human skin. J Dermatol Sci. 2014 Sep;75(3):173-82. [2]. Yang X, et al. Mouse melanoma cell line B16F10-derived conditioned medium inhibits sodium L-ascorbate-induced B16F10 cell apoptosis. Nan Fang Yi Ke Da Xue Xue Bao. 2012 Feb;32(2):146-50. [3]. Morimura K, et al. Lack of urinary bladder carcinogenicity of sodium L-ascorbate in human c-Ha-ras proto-oncogene transgenic rats. Toxicol Pathol. 2005;33(7):764-7. [4]. Takagi H, et al. Limited tumor-initiating activity of phenylethyl isothiocyanate by promotion with sodium L-ascorbate in a rat two-stage urinary bladder carcinogenesis model. Cancer Lett. 2005 Mar 10;219(2):147-53.

Additional Information

[1]. Hinek A, et al. Sodium L-ascorbate enhances elastic fibers deposition by fibroblasts from normal and pathologic human skin. J Dermatol Sci. 2014 Sep;75(3):173-82. [2]. Yang X, et al. Mouse melanoma cell line B16F10-derived conditioned medium inhibits sodium L-ascorbate-induced B16F10 cell apoptosis. Nan Fang Yi Ke Da Xue Xue Bao. 2012 Feb;32(2):146-50. [3]. Morimura K, et al. Lack of urinary bladder carcinogenicity of sodium L-ascorbate in human c-Ha-ras proto-oncogene transgenic rats. Toxicol Pathol. 2005;33(7):764-7. [4]. Takagi H, et al. Limited tumor-initiating activity of phenylethyl isothiocyanate by promotion with sodium L-ascorbate in a rat two-stage urinary bladder carcinogenesis model. Cancer Lett. 2005 Mar 10;219(2):147-53.

Frequently Asked Questions

What is the CAS number of Sodium ascorbate?

The CAS number of Sodium ascorbate is 134-03-2.

What are the molecular formula and molecular weight of Sodium ascorbate?

Sodium ascorbate has molecular formula C6H7NaO6 and molecular weight 198.106 g/mol.

What are the upstream and downstream products of Sodium ascorbate?

For Sodium ascorbate, Downstream Products: Ascorbyl glucoside, D-Erythronolactone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Sodium ascorbate (CAS 134-03-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38501-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.