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SOL-TRC-SOD-300G

SODIUM BENZOATE

Rs. 271.00
Rs. 271.00 Rs. 330.00
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Size: 300 g
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Sodium benzoate is a white, crystalline powder or granules derived from benzoic acid. It is commonly used as a preservative in food, beverages, and personal care products due to its ability to inhibit the growth of bacteria, yeast, and molds.

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  • DESCRIPTION

General Description:
Sodium benzoate is the sodium salt of benzoic acid, a synthetic compound produced by reacting benzoic acid with sodium hydroxide. It is a crystalline powder or granular substance that is odorless and highly soluble in water. Sodium benzoate is widely used as a preservative in various industries, including cosmetics.

Uses in the Cosmetic Industry:

Sodium benzoate serves several purposes in cosmetics:

  • Preservative: It is primarily used as a preservative to prevent the growth of bacteria, fungi, and yeast in cosmetic formulations. Sodium benzoate extends the shelf life of products and helps maintain their efficacy and safety over time.
  • pH Adjuster: Sodium benzoate is also used as a pH adjuster to stabilize and maintain the acidity or alkalinity of cosmetic products within the desired range.
  • Antimicrobial Agent: It has antimicrobial properties that contribute to the preservation of products, reducing the risk of contamination and spoilage.

Hazard:
While generally regarded as safe for use in cosmetics, there are some considerations regarding the use of sodium benzoate:

  • Skin Irritation: In rare cases, sodium benzoate can cause skin irritation or allergic reactions, especially in individuals with sensitive skin. It is advisable to perform a patch test before using products containing sodium benzoate, especially if you have known allergies.
  • Eye Irritation: Direct contact with sodium benzoate powder or solutions can irritate the eyes. Safety precautions should be taken during handling to avoid eye exposure.
  • Potential Formation of Benzene: Sodium benzoate can react with ascorbic acid (vitamin C) or citric acid under certain conditions (e.g., exposure to heat and light) to form benzene, a known carcinogen. However, this risk is considered minimal in properly formulated and stored cosmetic products.
  • Environmental Impact: Sodium benzoate is biodegradable and has low acute toxicity to aquatic organisms. However, large-scale discharge into water bodies can potentially impact aquatic ecosystems.
  • Regulatory Compliance: Cosmetic-grade sodium benzoate must comply with regulatory standards set by authorities such as the FDA in the United States and the European Commission. Maximum allowable concentrations and usage conditions are specified to ensure consumer safety.



  • DETAILS

CAS Number : 532-32-1

INCI: Sodium Benzoate

Composition: Sodium benzoate is the sodium salt of benzoic acid, with the chemical formula C7H5NaO2.

Purity Grade: No purity grade applicable

Appearance: Sodium benzoate appears as white, odorless, crystalline powder or granules.

Solubility: Sodium benzoate is highly soluble in water. It is sparingly soluble in alcohol.

Preservation : Sodium benzoate is typically stable under normal storage conditions when kept in a dry environment and protected from moisture. It should be stored in airtight containers to prevent exposure to humidity.

Storage: Store in a closed container at a dry place at room temperature           

Raw Material Source : Sodium benzoate is synthesized from benzoic acid, which can be obtained from various sources including toluene, phenol, or by the oxidation of toluene.

Manufacture: Sodium benzoate is manufactured through the reaction of benzoic acid with sodium hydroxide, resulting in the formation of sodium benzoate and water. The reaction typically occurs under controlled conditions to ensure high purity and yield.

Animal Testing: Not animal tested  

GMO: GMO-free (does not contain plant-derived components)

Vegan: Does not contain animal-derived components

Proposition: SODIUM BENZOATE complies with relevant regulations and guidelines

Warning : Avoid contact with eyes. In case of contact, rinse thoroughly with water. Use appropriate protective equipment when handling. Keep out of reach of children.

Formulator’s Queries, We Answered

CAS number: 532-32-1.
INCI name: Sodium Benzoate.

Sodium benzoate is primarily used as a water-soluble preservative to inhibit growth of bacteria, yeast and some molds in aqueous and partly aqueous cosmetic formulations (e.g., gels, shampoos, rinse-off products, creams when in suitable systems). It’s often selected for “mild / low-toxicity” preservative systems or in combination with other preservatives to broaden activity.

Typical final product usage is in the range of 0.1–2.5%, depending on formula type and local regulation; for EU rinse-off products a commonly cited regulatory maximum is 2.5% (see Q6). In practice formulators most often use 0.5–1.0% in many leave-on and rinse-off systems when pH and co-preservatives are appropriate.

Sodium benzoate’s antimicrobial action depends on conversion to benzoic acid (the active form). It is most effective at acidic pH (≈2.5–4.0) — activity falls as pH rises because less benzoic acid is present. Formulators must check final product pH to ensure preservative efficacy.

Label as Sodium Benzoate (INCI). Avoid misleading consumer claims about “no preservatives” or implying hazard where legislation prohibits denigrating approved ingredients (EU practice discourages unfair negative claims). Follow local labeling law for ingredient disclosure.