Calcium Dodecyl Benzene Sulfonate, Calcium Alkyl Benzene Sulfonate, CDBS, 26264-06-2

Calcium Dodecyl Benzene Sulfonate, Calcium Alkyl Benzene Sulfonate, CDBS, 26264-06-2

CALCIUM DODECYLBENZENESULFONATE (CDBS)

PRODUCT IDENTIFICATION INFORMATION

CHEMICAL STRUCTURE

Calcium Dodecylbenzenesulfonate Structure:

        C₁₂H₂₅
           |
      C₆H₄—SO₃⁻          [Ca²⁺]
           |
        C₁₂H₂₅
           |
      C₆H₄—SO₃⁻

Structure Description:

• Anionic surfactant.

• Calcium salt form containing two dodecylbenzenesulfonate anions.

• Hydrophobic (water-repelling) dodecyl group (C₁₂H₂₅) and benzene ring.

• Hydrophilic (water-attracting) sulfonate group (-SO₃⁻).

• This structure provides emulsification properties that help mix water and oil.

SECTION 1: CHEMICAL IDENTITY AND DESCRIPTION

SECTION 2: PHYSICAL AND CHEMICAL PROPERTIES

SECTION 3: CALCIUM DODECYLBENZENESULFONATE vs OTHER SURFACTANTS

SECTION 4: MECHANISM OF ACTION

SECTION 5: PRODUCTION PROCESS

Industrial Production Method:

Process Flow:
Dodecylbenzene → Sulfonation (SO₃ or H₂SO₄) → Dodecylbenzenesulfonic Acid → Neutralization (Calcium Hydroxide / Calcium Carbonate) → Calcium Dodecylbenzenesulfonate → Formulation → Final Product

Step-by-Step Description:

1. Sulfonation: Dodecylbenzene is reacted with sulfuric acid or sulfur trioxide (SO₃) to form dodecylbenzenesulfonic acid.

2. Neutralization: The resulting sulfonic acid is neutralized with calcium hydroxide [Ca(OH)₂] or calcium carbonate (CaCO₃).

3. Water Removal: Water formed during the reaction is removed.

4. Formulation: Formulated with appropriate solvents and additives to achieve desired viscosity and active matter content.

5. Final Product: Various formulations are produced for different industrial needs.

SECTION 6: FUNCTIONAL PROPERTIES

SECTION 7: MAIN APPLICATION AREAS

SECTION 8: SAMPLE FORMULATIONS

Industrial Degreaser / Detergent Formulation:

Instructions: Dissolve CDBS in solvent; Add nonylphenol ethoxylate and other components; Form emulsion with water addition; Ensure homogeneous mixture.

Metalworking Cutting Fluid (Emulsion):

Instructions: Dissolve CDBS in mineral oil; Add water to form emulsion; Add corrosion inhibitors and biocides; Homogenize with high shear.

SECTION 9: QUALITY SPECIFICATIONS

SECTION 10: TOXICOLOGICAL PROFILE

SECTION 11: GHS CLASSIFICATION AND LABELING

GHS Classification (in accordance with CLP and UN GHS):

Signal Word: WARNING

Hazard Pictograms: GHS07 (Exclamation Mark), GHS09 (Environment)

Hazard Statements (H-Codes):

SECTION 12: PRECAUTIONARY STATEMENTS (P-CODES)

SECTION 13: FIRST AID MEASURES

SECTION 14: FIREFIGHTING MEASURES

SECTION 15: STORAGE AND SHELF LIFE

SECTION 16: PACKAGING OPTIONS

SECTION 17: TRANSPORT INFORMATION

SECTION 18: REGULATORY STATUS

SECTION 19: OTHER NAMES AND SYNONYMS

SECTION 20: SUMMARY TABLE

SECTION 21: CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

• TOXIC TO THE ENVIRONMENT: Toxic to aquatic organisms (H400, H411). AVOID RELEASE TO THE ENVIRONMENT.

• Marine pollutant (UN 3082); Special precautions required during transport.

• Causes skin irritation (H315) and serious eye irritation (H319). PERSONAL PROTECTIVE EQUIPMENT IS MANDATORY.

• Effective in hard water: High hard water tolerance due to calcium salt form.

• Combustible: Keep away from open flames and high heat.

• Hygroscopic: Absorbs moisture; May degrade in humid environments.

• Avoid contact with aluminum and galvanized metals (corrosion risk).

• Limited biodegradability; Use with caution due to environmental impact.

• Limited use in food, pharmaceutical, and cosmetic applications; Special formulations required for these applications.

BEST PRACTICE RECOMMENDATIONS:

• Detergents & Cleaning: Use in industrial degreaser formulations; 5-20% of formulation; Effective in hard water conditions; Synergistic mixtures with nonylphenol ethoxylate.

• Lubricants & Metalworking: Use as corrosion inhibitor and emulsifier; Cutting fluids, hydraulic oils; Dosage: 1-10%; Forms emulsion with water; Provides protective film on metal surfaces.

• Textile: Use as softener and emulsifier; Textile auxiliary chemicals; Dispersion of dyes and pigments; Finishing processes.

• Agriculture: Use as dispersant and emulsifier in pesticide formulations; Dosage: 0.5-5%; Ensures even distribution of active ingredients in water.

• Handling: Use in well-ventilated areas; Avoid inhaling vapor/aerosol; Use gloves and safety goggles; In case of spillage, absorb and collect.

• Personal Protective Equipment: MANDATORY: Chemical-resistant gloves (nitrile, neoprene), chemical splash goggles, protective clothing (chemical-resistant), safety boots.

• Hygiene: Wash hands thoroughly after handling; Do not eat, drink, or smoke while using; Remove contaminated clothing and wash before reuse.

• Storage: Store in tightly closed containers; Store in a cool, dry, well-ventilated area; Protect from excessive heat and moisture; Avoid aluminum and galvanized metals; Opened containers must be resealed immediately; Shelf life: 12-24 months under proper conditions.

• Spill Management: Absorb with inert material (sand, vermiculite, sawdust); Collect and place in suitable sealed container; Do not allow entry into drains or waterways; Clean contaminated area with water and detergent.

• Disposal: Dispose of in accordance with local, regional, and national regulations; Hazardous waste (environmentally hazardous); Send to authorized waste disposal facilities.

DETECTION METHODS:

CALCIUM DODECYLBENZENESULFONATE (CDBS) vs ALTERNATIVES COMPARISON:

LEGAL DISCLAIMER:
The information provided in this document is based on our current knowledge and experience and is presented in good faith. However, as all conditions of use are beyond our control, it does not constitute a binding specification or warranty. This Technical Data Sheet is for informational purposes only. Users are responsible for testing the suitability for their own applications and for complying with all local, regional, and national regulations. For complete safety, storage, use, handling, waste, and regulatory compliance information, please refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. CDBS is toxic to the environment; release to the environment must be avoided and appropriate disposal methods must be used.