Calcium Benzoate is a benzoate salt used as a functional cosmetic ingredient in suitable formulation systems. It is the calcium salt of Benzoic Acid and is also known as Calcium Dibenzoate or Benzoic Acid Calcium Salt. Calcium Benzoate is identified by CAS Number 2090-05-3 and EC/EINECS Number 218-235-4. The anhydrous compound has the molecular formula C₁₄H₁₀CaO₄ and molecular weight approximately 282.30–282.31 g/mol.
Calcium Benzoate is generally described as a white or colourless crystalline material or white powder. The FCC describes it as white or colourless crystals or a white powder and notes that it can contain water of hydration.
Calcium Benzoate is the calcium salt of Benzoic Acid, consisting of calcium associated with two benzoate groups in the anhydrous form. It is used as a functional preservative ingredient in applicable formulation and regulatory contexts.
Its chemical identity is important for cosmetic manufacturers, formulators and ingredient procurement teams that require a clearly defined raw material with traceable technical information.
The physical form and water content can vary depending on whether the material is supplied in anhydrous or hydrated form. Therefore, the exact commercial grade should always be evaluated using its current specification and Certificate of Analysis.
| Parameter | Details |
|---|---|
| Product Name | Calcium Benzoate |
| INCI Name | CALCIUM BENZOATE |
| CAS Number | 2090-05-3 |
| EC/EINECS Number | 218-235-4 |
| Molecular Formula | C₁₄H₁₀CaO₄ |
| Molecular Weight | 282.30 g/mol |
| Chemical Name | Calcium Dibenzoate |
| Synonym | Benzoic Acid Calcium Salt |
| Chemical Class | Benzoate Salt |
| Physical Form | White or colourless crystals / white powder |
| Cosmetic Function | Preservative |
PubChem identifies Calcium Benzoate as calcium dibenzoate and reports CAS 2090-05-3, EC 218-235-4, molecular formula C₁₄H₁₀CaO₄ and molecular weight 282.30 g/mol.
CALCIUM BENZOATE appears in cosmetic ingredient references with the function preservative. An EU cosmetic ingredient inventory identifies the INCI name, CAS number, EINECS number and preservative function.
Its use in a finished cosmetic formulation should be assessed according to the applicable regulatory requirements of the target market, the formulation type and the actual concentration used.
The presence of Calcium Benzoate as a cosmetic ingredient does not by itself establish that a particular concentration is suitable for every cosmetic product.
Calcium Benzoate may be considered for suitable cosmetic and personal-care formulation systems where a benzoate-based preservative ingredient is appropriate.
Potential formulation areas can include:
The exact application should be determined according to formulation compatibility, regulatory requirements and the technical specification of the ingredient.
The documented cosmetic function of Calcium Benzoate is preservative.
Its role should be considered as part of the complete preservation system. Formulation performance can depend on factors including pH, concentration, water activity, other formulation ingredients, packaging and storage conditions.
Cosmetic manufacturers should establish preservation performance through appropriate formulation development and microbiological testing.
Calcium Benzoate is described by the FCC as sparingly soluble in water.
Published scientific and regulatory information reports water solubility of approximately 27.2 g/L at 20 °C, although solubility values can depend on the material's hydration state and measurement conditions.
Formulators should therefore evaluate the actual commercial grade, water content, temperature and formulation medium when incorporating Calcium Benzoate into a cosmetic system.
Calcium Benzoate may occur as white or colourless crystals or as a white powder. The FCC also notes that the substance can contain up to three molecules of water of hydration.
This is important when documenting the molecular weight and specifications because anhydrous, monohydrate and trihydrate forms have different molecular weights. Regulatory specifications may account for these forms separately.
For the SDP product page, the molecular formula and molecular weight should therefore correspond to the actual grade being supplied.
Quality specifications for Calcium Benzoate can include identity, assay/content, water, water-insoluble matter and other product-specific parameters.
International food-additive specifications provide technical reference information for Calcium Benzoate, including a minimum content of 99.0% on the dried basis in the cited specification.
However, this value should not automatically be published as SDP's cosmetic-grade specification unless the actual commercial specification supplied by SDP uses that limit.
For cosmetic ingredient procurement, customers should evaluate the material against the current specification and batch-specific COA.
When Calcium Benzoate is considered as a cosmetic ingredient, formulators should evaluate:
The finished formulation should undergo appropriate stability and microbiological evaluation.
Calcium Benzoate can be evaluated for selected skin-care formulations where a suitable preservative ingredient is required.
Potential formulation systems may include water-containing creams, lotions and gels, subject to formulation compatibility and applicable regulatory requirements.
The actual use level should be established during formulation development rather than assumed from general ingredient information.
Calcium Benzoate can also be considered by personal-care manufacturers researching benzoate-based cosmetic ingredients.
Its defined chemical identity and documented preservative function make it a relevant raw material for ingredient procurement and formulation research.
For B2B ingredient sourcing, Calcium Benzoate can be presented with its chemical identity, INCI name, CAS number, physical description, technical specifications and applicable documentation.
Cosmetic manufacturers and formulation companies can use these details when evaluating Calcium Benzoate for their intended product applications.
A detailed product page also helps procurement teams identify the correct ingredient and distinguish it from other benzoate ingredients such as Benzoic Acid, Sodium Benzoate and Potassium Benzoate.
Actual grade, specification, packaging, MOQ and availability should be confirmed against current commercial documentation.
Calcium Benzoate should be stored in suitable, properly closed packaging under conditions appropriate for the supplied grade.
The material should be protected from contamination, excessive moisture and unsuitable environmental conditions. Because Calcium Benzoate may occur in hydrated forms, storage requirements should follow the specific product specification and SDS.
Customers should refer to the current SDS, specification and batch-specific COA for detailed storage and handling information.
Calcium Benzoate is an established cosmetic ingredient associated with preservative functionality. Its defined chemical identity, documented INCI name and technical characteristics make it a relevant raw material for cosmetic and personal-care formulation development.
For B2B procurement, the correct Calcium Benzoate grade should be selected according to the intended formulation, hydration state, technical specification and regulatory requirements of the target market.
| Parameter | Specification |
|---|---|
| Appearance | White or colourless crystals / white powder |