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Cosmetic antioxidants

Zinc ascorbate

Also known as L-Ascorbic acid, zinc salt, (-)-Ascorbic acid, zinc salt, L-Ascorbic acid, zinc salt (2:1)

CAS 331242-75-2Formula C12H14O12ZnMolar mass 415.62 g/molEC 696-358-6
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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Zinc ascorbate chemical structure, C12H14O12Zn, CAS 331242-75-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
331242-75-2
Formula
C12H14O12Zn
Molar mass
415.62 g/mol
EC number
696-358-6
HS code
293220
Category
Cosmetic antioxidants

What is Zinc ascorbate?

Plain description, key identifiers and synonyms

Zinc ascorbate is a chemical substance with the molecular formula C12H14O12Zn and a molar mass of 415.62 g/mol. Its CAS registry number is 331242-75-2. The IUPAC name is zinc bis((2R)-2-[(1S)-1,2-dihydroxyethyl]-3-hydroxy-5-oxo-2H-furan-4-olate).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
zinc bis((2R)-2-[(1S)-1,2-dihydroxyethyl]-3-hydroxy-5-oxo-2H-furan-4-olate)
CAS number
331242-75-2Other or deprecated CAS: 134343-96-7, 151728-40-4
EC number
696-358-6
Molecular formula
C12H14O12Zn
UNII
9TI35313XW
INCI name
ZINC ASCORBATE
InChIKey
WWRJFSIRMWUMAE-ZZMNMWMASA-L
InChI
InChI=1S/2C6H8O6.Zn/c2*7-1-2(8)5-3(9)4(10)6(11)12-5;/h2*2,5,7-10H,1H2;/q;;+2/p-2/t2*2-,5+;/m00./s1
Canonical SMILES
O=C1OC(C(O)CO)C(O)=C1[O-].O=C1OC(C(O)CO)C(O)=C1[O-].[Zn+2]
Isomeric SMILES
C([C@@H]([C@@H]1C(=C(C(=O)O1)[O-])O)O)O.C([C@@H]([C@@H]1C(=C(C(=O)O1)[O-])O)O)O.[Zn+2]

Synonyms

  • L-Ascorbic acid, zinc salt
  • (-)-Ascorbic acid, zinc salt
  • L-Ascorbic acid, zinc salt (2:1)

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
415.62 g/molcalc.
Exact mass
413.9777 Dacalc.
LogP (octanol/water)
-5.21calc.
Topological polar surface area
220.1 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
12calc.
Rotatable bonds
4calc.
Heavy atoms
25calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
4calc.
Components
3calc.
Lipinski rule of five
Fails (2 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 signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

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

Zinc ascorbate suppliers

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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

1 supplier in 1 country

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Zinc ascorbate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name ZINC ASCORBATE(antioxidant, oral care, skin protecting)

Functional uses

  • Antioxidant
  • Humectant

Cosmetic functions

  • Antioxidant
  • Oral care
  • Skin protecting

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Zinc ascorbate?

Zinc ascorbate is a chemical substance with the molecular formula C12H14O12Zn and a molar mass of 415.62 g/mol. Its CAS registry number is 331242-75-2. The IUPAC name is zinc bis((2R)-2-[(1S)-1,2-dihydroxyethyl]-3-hydroxy-5-oxo-2H-furan-4-olate).

What is the CAS number of Zinc ascorbate?

The CAS registry number of Zinc ascorbate is 331242-75-2. Other or deprecated CAS numbers: 134343-96-7, 151728-40-4.

What is the molecular formula and weight of Zinc ascorbate?

The molecular formula of Zinc ascorbate is C12H14O12Zn and its molar mass is 415.62 g/mol.

What is Zinc ascorbate used for?

Known uses and roles of Zinc ascorbate include antioxidants in cosmetics and personal care, skin conditioning agents in cosmetics and personal care, antioxidant, oral care, skin protecting and 1 more.

Is Zinc ascorbate hazardous?

Zinc ascorbate carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Zinc ascorbate?

Zinc ascorbate is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Zinc ascorbate?

CompoundList lists 1 supplier of Zinc ascorbate in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Zinc ascorbate?

Suppliers quote Zinc 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 Zinc ascorbate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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