Ascorbic acid sodium salt

Ascorbic acid sodium salt structural formula

Ascorbic acid sodium salt structural formula

Structural formula

Business number 03PB
Molecular formula C6H7NaO6
Molecular weight 198.10

sodium ascorbate,

L(+)-Ascorbic acid sodium salt,

Vitamin C sodium salt,


Numbering system

CAS number:134-03-2

MDL number:MFCD00082340

EINECS number:205-126-1

RTECS number:CI7671000

BRN number:3767246

PubChem number:24891261

Physical property data

1. Properties: White fine crystals.

2. Density (g/mL, 25/4℃): Undetermined

3. Relative vapor density (g/mL, air=1): Undetermined

4. Melting point (ºC): 218 (decomposition)

5. Boiling point (ºC, normal pressure): Undetermined

6. Boiling point (ºC, 5.2kPa) : Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): [a]20/D+104.4°(in water)

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (kPa, 25ºC) : Undetermined

12. Saturated vapor pressure (kPa, 60ºC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14 . Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Log value of oil-water (octanol/water) partition coefficient: Undetermined

17. Explosion upper limit (%, V/V): Undetermined

18. Explosion lower limit (%, V/V): Undetermined

19 . Solubility: Easily soluble in water. Its aqueous solution is unstable when pH>6 and is quickly oxidized by air. Ascorbic acid solution can be added as a buffer to lower the pH and improve stability.

Toxicological data

Mutagenicity data:

Human lymphocyte DNA damage: 12500nmol/L

Human fibroblast DNA damage: 6250nmol/L

Human leukocyte DNA Damage: 6250nmol/L

Human HeLa cell inhibition: 3500umol/L

Human lymphocyte sister chromatid changes: 100umol/L

Rat DNA synthesis : 84mg/kg/4W

Hamster ovary: 1mmol/L

Hamster ovary sister chromatid changes: 500umol/L

Ecological data


Molecular structure data


Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP):

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 6

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 2

6.  Topological molecular polar surface area (TPSA): 110

7, Number of heavy atoms: 13

8, Surface charge: 0

9, Complexity: 237

10. Number of isotope atoms: 0

11. Number of determined atomic stereocenters: 1

12. Number of uncertain atomic stereocenters: 1

13. Determined number of chemical bond stereocenters: 0

14. Uncertain number of chemical bond stereocenters: 0

15. Number of covalent bond units: 2

Properties and stability


Storage method

Stored sealed and protected from light.

Synthesis method

Add sodium bicarbonate and isopropyl alcohol to the ascorbic acid solution successively, and obtain it through the reaction. It can also be obtained by heating the reaction between ascorbic acid and sodium carbonate and filtering it.


1. Antioxidants in meat and other foods.

2.As a food nutritional fortifier, it can also be used as a color protectant and antioxidant. It has the same effect as ascorbic acid.

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