CompoundList
Sign in
Food antioxidants

Sodium ascorbate

Also known as L-Ascorbic acid sodium salt, Sodium L-ascorbate, Vitamin C sodium

CAS 134-03-2Formula C6H7NaO6Molar mass 198.11 g/molEC 205-126-1
170 suppliers listed Drug substance
Get quotes Compare 170 suppliers
Sodium ascorbate chemical structure, C6H7NaO6, CAS 134-03-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Minute crystals
Melting point
218 °C
Solubility
Solubility in water: 62 g/100 mL at 25 °C, 78 g/100 mL at 75 °C
HS code
293627
Category
Food antioxidants
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Sodium ascorbate?

Plain description, key identifiers and synonyms

Sodium ascorbate is an organic sodium salt resulting from the replacement of the proton from the 3-hydroxy group of ascorbic acid by a sodium ion. It has a role as a coenzyme, a reducing agent, a flour treatment agent, a plant metabolite, a human metabolite, a food antioxidant and a Daphnia magna metabolite. It is a vitamin C and an organic sodium salt. It contains a L-ascorbate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate
CAS number
134-03-2 CAS number cross-checkedOther or deprecated CAS: 58657-35-5, 912284-14-1
EC number
205-126-1
Molecular formula
C6H7NaO6
UNII
S033EH8359
MDL number
MFCD00082340
INCI name
SODIUM ASCORBATE
InChIKey
PPASLZSBLFJQEF-RXSVEWSESA-M
InChI
InChI=1S/C6H8O6.Na/c7-1-2(8)5-3(9)4(10)6(11)12-5;/h2,5,7-10H,1H2;/q;+1/p-1/t2-,5+;/m0./s1
Canonical SMILES
O=C1OC(C(O)CO)C([O-])=C1O.[Na+]
Isomeric SMILES
C([C@@H]([C@@H]1C(=C(C(=O)O1)O)[O-])O)O.[Na+]

Synonyms

  • L-Ascorbic acid sodium salt
  • Sodium L-ascorbate
  • Vitamin C sodium
  • Ascorbic acid sodium salt
  • Monosodium L-ascorbate
  • Ascorbate de sodium
  • Ascorbicin
  • Ascorbin
  • Cebitate
  • Sodascorbate
  • Natrii ascorbas
  • L-Ascorbic acid, monosodium salt
  • Iskia-C
  • Natri-C
  • Vitamin C, sodium salt
  • Ascorbato sodico
  • Ascorbic acid sodium derivative
  • 3-Oxo-L-gulofuranolactone sodium
  • HBL 508
  • Ascorbato de sodio
  • INS NO.301
  • Monosodium Ascorbate
  • sodium, (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate
  • sodium, (2R)-2-((1S)-1,2-dihydroxyethyl)-4-hydroxy-5-oxo-2H-furan-3-olate
  • VITA-JEC C
Show all 38 synonyms
  • (+)-Sodium L-ascorbate
  • Vitamin C Sodium Salt
  • Cevalin
  • Sodium (R)-2-((S)-1,2-dihydroxyethyl)-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate
  • L-Ascorbic acid (sodium salt)
  • L-Ascorbic acid sodium
  • l-Ascorbate, sodium
  • sodium (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate
  • sodium (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate
  • C6H7NaO6
  • Aminofenitrooxon
  • sodium (L)-ascorbate
  • L(+)-Ascorbic acid sodium salt

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Minute crystalsexp.
Odour
Odorlessexp.
Melting point
218 °Cexp.
Solubility
Solubility in water: 62 g/100 mL at 25 °C, 78 g/100 mL at 75 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
198.11 g/molcalc.
Exact mass
198.014 Dacalc.
LogP (octanol/water)
-5.6calc.
Topological polar surface area
110.1 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
2calc.
Heavy atoms
13calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
2calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C=CCO1

O=C1C=CCO1

1 ring, 6 atoms, the 2(5H)-Furanone ring system.

877 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Sodium ascorbate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 170 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

170 suppliers in 34 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Sodium ascorbate price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

As antimicrobial and antioxidant in foodstuffs.

Antioxidant in food products.

Sodium Ascorbate ... functions as an antioxidant in cosmetics at concentrations from 0.0003% to 0.3%.

Industrial uses: Antioxidant.

Use classes: Food additives, Cosmetics.

Cosmetic ingredient, INCI name SODIUM ASCORBATE(antioxidant)

Roles

  • Daphnia magna metabolite
  • Daphnia metabolite
  • additive
  • animal metabolite
  • anti-anaemic agent
  • antineoplastic agent
  • antioxidant
  • coenzyme
  • cofactor
  • crustacean metabolite
  • eukaryotic metabolite
  • flour treatment agent
  • food additive
  • food antioxidant
  • food component
  • food preservative
  • human metabolite
  • mammalian metabolite
  • metabolite
  • pharmaceutical
  • physiological role
  • plant metabolite
  • reducing agent

Functional uses

  • Antioxidant
  • Chemical reaction regulator
  • Dye
  • Filler
  • Flavouring and nutrient
  • Food preservative
  • Fragrance
  • Leavening agent
  • Oxidizing agent
  • Pharmaceutical
  • Processing aids not otherwise specified
  • Surface modifier

Cosmetic functions

  • Antioxidant

How it is made

Ascorbic acid is dissolved in water, and an equivalent amount of sodium bicarbonate is added. After cessation of effervescence, the sodium ascorbate is precipitated by the addition of isopropanol.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • Active ingredient in FDA approved drug labels
  • Food additive

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Sodium ascorbate is traded under.

HS 2936.27Indicative HS code

Vitamin C and its derivatives

World exports in 2024
$1.02B
+7.5% vs 2023, imports $1.07B
2019 to 2024
Top exporters
  1. China60.4%
  2. United States10.4%
  3. Netherlands9.2%
Top importers
  1. United States18.5%
  2. Netherlands9.9%
  3. Germany7.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Sodium ascorbate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Sodium ascorbate, based on the data on this page

What is Sodium ascorbate?

Sodium ascorbate is an organic sodium salt resulting from the replacement of the proton from the 3-hydroxy group of ascorbic acid by a sodium ion. It has a role as a coenzyme, a reducing agent, a flour treatment agent, a plant metabolite, a human metabolite, a food antioxidant and a Daphnia magna metabolite.

What is the CAS number of Sodium ascorbate?

The CAS registry number of Sodium ascorbate is 134-03-2. Other or deprecated CAS numbers: 58657-35-5, 912284-14-1.

What is the molecular formula and weight of Sodium ascorbate?

The molecular formula of Sodium ascorbate is C6H7NaO6 and its molar mass is 198.11 g/mol.

What is Sodium ascorbate used for?

As antimicrobial and antioxidant in foodstuffs. Antioxidant in food products. Sodium Ascorbate ... functions as an antioxidant in cosmetics at concentrations from 0.0003% to 0.3%. Industrial uses: Antioxidant. Use classes: Food additives, Cosmetics.

Is Sodium ascorbate hazardous?

No GHS hazard classification for Sodium ascorbate is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Sodium ascorbate?

Sodium ascorbate is usually classified under HS code 293627 (Vitamin C and its derivatives). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Sodium ascorbate?

CompoundList lists 170 suppliers of Sodium ascorbate in China, United States, India, Germany and 30 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Sodium ascorbate in India?

19 suppliers in India list Sodium ascorbate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Sodium ascorbate?

Suppliers quote Sodium ascorbate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Sodium ascorbate

Get quotes for Sodium ascorbate

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Sodium ascorbate
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Sodium ascorbate with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/sodium-ascorbate-134-03-2" title="Sodium ascorbate structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Food antioxidants or HS code 293627

170 suppliers
Free quotes, contact stays private
Get quotes