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Send EmailAlkyl Benzene Sulfonate, Linear Alkyl Benzene Sulfonate, Branched Alkyl Benzene Sulfonate, ABS, BAS, LAS, 68411-30-3
Alkyl Benzene Sulfonates (ABS)
1. Product Identity
| Property | Details |
|---|---|
| Product Name | Alkyl Benzene Sulfonates (ABS) |
| CAS Number | 68411-30-3 |
| Chemical Formula | RC₆H₄SO₃⁻M⁺ (R: C₉-C₁₅ hydrocarbon chain, M: alkali metal ion or amine derivative) |
| Molecular Weight | Variable |
| Appearance | Colorless to pale yellow liquid or white to pale yellow powder |
| Density | Variable |
| Solubility | Soluble in water |
2. Synonyms and Other Names
| Name | Abbreviation | Description |
|---|---|---|
| Linear Alkyl Benzene Sulfonate | LAS | Linear form, more biodegradable |
| Branched Alkyl Benzene Sulfonate | BAS | Branched form |
| Alkyl Benzene Sulfonates | ABS | General class name |
| Dodecyl Benzene Sulfonate | DBS | Common specific type |
3. Physical and Chemical Properties
3.1. Physical Properties
| Property | Value |
|---|---|
| Appearance | Colorless to pale yellow liquid or white to pale yellow powder |
| Solubility | Soluble in water |
| Density | Variable depending on formulation |
3.2. Chemical Properties
| Property | Description |
|---|---|
| Chemical Formula | RC₆H₄SO₃⁻M⁺ |
| Surfactant Type | Anionic surfactant |
| Reactivity | Generally chemically inert; does not react with most chemicals |
| High Temperature Reactivity | May react at high temperatures |
| Oxidizing Agents | May react with strong oxidizing agents |
| pH Stability | Stable over a wide pH range |
4. Applications and Uses
4.1. Personal Care Products
| Product Type | Function |
|---|---|
| Shampoos | Surfactant for cleansing and foaming |
| Hand Soaps | Surfactant for cleansing |
| Baby Products | Mild surfactant for gentle cleansing |
| Body Washes | Surfactant for cleansing and foaming |
4.2. Household Products
| Product Type | Function |
|---|---|
| Laundry Detergents | Primary cleaning agent |
| Dishwashing Detergents | Surfactant for grease removal |
| Spray Cleaners | Surface cleaning agent |
4.3. Industrial Applications
| Application | Function |
|---|---|
| Industrial Cleaners | Surfactant in various cleaning formulations |
| Detergents | Primary cleaning agent |
| Emulsifiers | Emulsifying agent in formulations |
4.4. Agricultural Applications
| Application | Function |
|---|---|
| Pest Control | Anionic surfactant in pesticide formulations |
| Agricultural Formulations | Solvent, emulsifier, and wetting agent |
| Spray Adjuvants | Enhances spreading and penetration |
5. BASF Product Portfolio
| Product Name | Chemical Nature | Physical Form | Concentration |
|---|---|---|---|
| Agnique® ABS 70 C | Alkyl benzene sulfonate, calcium salt in isobutanol | Liquid | approx. 70% |
| Agnique® ABS 58 C-EH | Alkyl benzene sulfonate, calcium salt in 2-ethylhexanol and propylene glycol | Liquid | approx. 58% |
| Agnique® ABS 60 C-EH | Alkyl benzene sulfonate, calcium salt in 2-ethylhexanol | Liquid | approx. 60% |
| Disponil® LDBS 25 EVO | Linear dodecyl benzene sulfonate, sodium salt | Liquid | approx. 25% |
| Disponil® LDBS 55 | Linear dodecyl benzene sulfonate, sodium salt | Paste | approx. 55% |
6. Types of Alkyl Benzene Sulfonates
6.1. Linear Alkyl Benzene Sulfonate (LAS)
| Property | Description |
|---|---|
| Structure | Linear alkyl chain |
| Biodegradability | Readily biodegradable |
| Environmental Impact | Lower environmental persistence |
| Applications | Widely used in household and industrial detergents |
6.2. Branched Alkyl Benzene Sulfonate (BAS)
| Property | Description |
|---|---|
| Structure | Branched alkyl chain |
| Biodegradability | Less biodegradable |
| Environmental Impact | Higher environmental persistence |
| Historical Use | Commonly used in early detergent formulations |
7. Summary
Alkyl Benzene Sulfonates (ABS, CAS: 68411-30-3) are a class of anionic surfactants with the general formula RC₆H₄SO₃⁻M⁺, where R is a hydrocarbon chain in the C₉-C₁₅ range and M is an alkali metal ion or amine derivative. They appear as colorless to pale yellow liquids or white to pale yellow powders and are soluble in water.
Key Characteristics:
-
Anionic surfactants
-
Available in linear (LAS) and branched (BAS) forms
-
Stable over wide pH range
-
Generally chemically inert
Main Application Areas:
-
Personal Care: Shampoos, hand soaps, baby products, body washes
-
Household Products: Laundry detergents, dishwashing detergents, spray cleaners
-
Industrial: Industrial cleaners and detergents
-
Agriculture: Pesticide formulations, emulsifiers, wetting agents
BASF Product Range:
-
Agnique® ABS 70 C (70% in isobutanol)
-
Agnique® ABS 58 C-EH (58% in 2-ethylhexanol and propylene glycol)
-
Agnique® ABS 60 C-EH (60% in 2-ethylhexanol)
-
Disponil® LDBS 25 EVO (25% sodium salt solution)
-
Disponil® LDBS 55 (55% sodium salt paste)
Synonyms:
-
Linear Alkyl Benzene Sulfonate (LAS)
-
Branched Alkyl Benzene Sulfonate (BAS)
Alkyl Benzene Sulfonates are versatile anionic surfactants widely used in personal care, household, industrial, and agricultural applications due to their excellent cleaning, emulsifying, and wetting properties.
