Good Cosmetic Ingredient NOAEL Data

Calcium Benzoate

INCI: CALCIUM BENZOATE

CAS Number
2090-05-3
Function
Preservative
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 2.5%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Adequate within Annex V limits

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Calcium Benzoate. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL 300 mg/kg bw/day oral rat oral REACH
NOEL 1000 mg/kg bw/day oral rat oral REACH
NOEL 1000 mg/kg bw/day oral rat oral REACH
NOAEL 3571 mg/kg bw/day oral mouse oral REACH
NOAEL 500 mg/kg bw/day oral rat oral REACH
NOAEL 905 mg/kg bw/day oral rat oral REACH
NOAEL 2620 mg/kg bw/day oral rat oral REACH
NOAEL 1000 mg/kg bw/day oral rat oral REACH
NOAEL 200 mg/kg bw/day oral cat oral REACH
NOAEL 648 mg/kg bw/day oral rat oral REACH

Expert Verdict

Preservative with restricted use; must not exceed 2.5% concentration per Annex V; potential to form benzene when combined with ascorbic acid under certain conditions; pH-dependent efficacy with optimal performance below pH 5.

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Concern Level: Moderate

Regulatory Flags

preservative fda_food_additive

Frequently Asked Questions

Is Calcium Benzoate safe in cosmetics?

Preservative with restricted use; must not exceed 2.5% concentration per Annex V; potential to form benzene when combined with ascorbic acid under certain conditions; pH-dependent efficacy with optimal performance below pH 5. The EU classifies Calcium Benzoate as "restricted". Safety rating: GOOD. 10 toxicological study endpoint(s) are available in our database.

Is Calcium Benzoate allowed in the EU?

Calcium Benzoate EU regulatory status: restricted. Maximum allowed concentration: 2.5%. This is based on EU Regulation 1223/2009 and its amendments.

What does Calcium Benzoate do in cosmetics?

Calcium Benzoate functions as: Preservative. It is classified as a cosmetic ingredient in our database. CAS number: 2090-05-3.

What is the Margin of Safety for Calcium Benzoate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

What is the NOAEL for Calcium Benzoate?

The NOAEL (No Observed Adverse Effect Level) for Calcium Benzoate is 300 mg/kg bw/day based on a oral study via oral route in rat. A total of 10 study endpoints are available. Source: REACH.

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