beauty
food
industrial
pharma

Calcium ascorbate

E302 · CAS 96653-51-9 · 40/100 · High conf.

Also registered as 2 other CAS numbers

1013967-72-0 · 5743-27-1

Concern score

40/100Moderate concern based on regulatory listings.

High confidence

Calcium ascorbate in plain language

What it is: Also known as Calcium ascorbate anhydrous · Ascorbic acid calcium salt · L-Ascorbic acid calcium salt (2:1) · Calcium ascorbate (e 302) · Calcium diascorbate · L-ascorbic acid, calcium salt (2:1)
Show all 10 names
Calci-C · E 302 · Hemicalcium ascorbate · calcium L-ascorbate
What it does: Used in cosmetics as an antioxidant and a skin-conditioning agent.
Antioxidant
Skin conditioning
Conditioner
Is it a concern?: Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

As a food additive

E-number

E302

Used in food as

Antioxidant

EU safety status

EFSA re-evaluated E302 in 2015: no safety concern at authorised uses.

It never counts as an additive of concern in a product’s food rating.

EFSA Journal 2015;13(5):4087 — Scientific Opinion on the re-evaluation of ascorbic acid (E 300), sodium ascorbate (E 301) and calcium ascorbate (E 302) as food additives

Why it's flagged

EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Calcium ascorbate appears in these published regulatory listings.

In marketed US drugs

Recorded in these product areas

Found in consumer products
Industrial

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
EUEFSAEFSA opinionScientific Opinion on the re-evaluation of ascorbic acid (E 300), sodium ascorbate (E 301) and calcium ascorbate (E 302) as food additives (EFSA ANS)
- Scientific Opinion on the re-evaluation of ascorbic acid (E 300), sodium ascorbate (E 301) and calcium ascorbate (E 302) as food additives (EFSA ANS)Source →
GLOBALJECFANOT SPECIFIEDJECFA evaluation lists ADI NOT SPECIFIED. Functional class: antioxidant.
- JECFA evaluation lists ADI NOT SPECIFIED. Functional class: antioxidant.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Antioxidant, Softener and conditioner.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Antioxidant, Softener and conditioner.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 2 active drug products and 2 total products.
- FDA NDC lists this ingredient in 2 active drug products and 2 total products.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
EFSA
European Food Safety Authority
- Scientific Opinion on the re-evaluation of ascorbic acid (E 300), sodium ascorbate (E 301) and calcium ascorbate (E 302) as food additives (EFSA ANS)
  2015 · EU EFSA listing · Read the source →
JECFA
Joint FAO/WHO Expert Committee on Food Additives
- JECFA evaluation lists ADI NOT SPECIFIED. Functional class: antioxidant.
  Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

No graded research studies for Calcium ascorbate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

9 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EFSA OpenFoodTox
regulatory · updated 2026-10-04
Open →
EPA Chemical and Products Database
exposure · updated January 7, 2008
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA National Drug Code Directory
regulatory · updated 2026-12-31
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
WHO JECFA Database
regulatory · updated 2026-10-04
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often FDA National Drug Code directory has listed Calcium ascorbate in a product composition. These are source records, not Greenveil catalog products.

Source records

Typical roles

AntioxidantSkin conditioningConditioner

See products using Calcium ascorbate →

Catalog

Found in these products

Their ingredient lists include Calcium ascorbate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 7 →Find products without it →