Overview of Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate
Surfactants, short for surface-active agents, are compounds that lower the surface tension between two liquids or between a liquid and a solid. They play a crucial role in various industries due to their unique ability to interact with interfaces, enhancing emulsification, dispersion, wetting, foaming, and detergency properties.
Surfactants typically have an amphiphilic nature, meaning they consist of both hydrophilic (water-loving) and hydrophobic (water-repellent) parts. This dual nature enables them to orient themselves at the interface between water and other substances, reducing the interfacial tension. The hydrophilic part is usually polar and often contains oxygen, nitrogen, or sulfur atoms, while the hydrophobic part is typically a long hydrocarbon chain.
Functions of Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate
- Emulsification: By reducing the interfacial tension, surfactants facilitate the formation and stabilization of emulsions, where one liquid is dispersed in another immiscible liquid.
- Detergency: They help remove dirt and oils from surfaces by lowering the surface tension of water, allowing it to penetrate better into fabrics or surfaces, and by solubilizing greasy substances.
- Wetting: Surfactants speed up the wetting process by reducing the contact angle between a liquid and a solid, enhancing spreading.
- Foaming and Anti-Foaming: Depending on the type, surfactants can either stabilize foam (as in shampoo and soap) or break it down (in industrial processes where foam is undesirable).
- Dispersing Agent: They keep particles suspended in a liquid medium, preventing aggregation and settling.
Applications of Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate
- Household and Industrial Cleaning Products: Detergents, soaps, and cleaning agents all rely on surfactants to remove dirt and grease.
- Personal Care and Cosmetics: Shampoos, conditioners, toothpaste, and skincare products use surfactants for cleansing, foaming, and emulsifying.
- Textile and Leather Processing: In textile manufacturing, surfactants assist in dyeing, finishing, and fabric softening.
- Agriculture: As adjuvants in pesticides and herbicides, surfactants improve the spreading and sticking of these chemicals to plant surfaces.
- Food Industry: Used as emulsifiers in foods like mayonnaise, ice cream, and salad dressings to stabilize mixtures.
- Oil Recovery and Environmental Remediation: Surfactants can enhance oil recovery in petroleum extraction and aid in the cleanup of oil spills.
(Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate)
Parameters of Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate
CAS Number: 8061-51-6
Chemical Name: Sodium lignosulfonate
Common Name: Sodium lignin sulfonate, lignosulfonate sodium salt
Structure: It is an anionic surfactant derived from lignocellulosic materials, specifically wood pulp, through the sulfonation process. The exact structure consists of a lignin backbone with sulfate groups attached to it.
Properties:
1. Molecular Formula: C6H7NaO4S (approximate)
2. Molar Mass: 198.12 g/mol (approx.)
3. Appearance: White or light brown powder, granular or flakes
4. Solubility: Soluble in water, slightly soluble in organic solvents
5. pH: Generally has a basic nature due to the presence of sodium and sulfonic acid groups
6. Effective pH Range: 8-11, depending on concentration and specific application
7. Stability: Stable under normal conditions, but can be affected by temperature and exposure to air
8. Emulsifying Properties: Excellent emulsifier for oil-in-water systems
9. Foaming properties: Moderate foaming, useful in applications requiring gentle cleansing
10. Biodegradability: Moderately biodegradable, environmentally friendly
Applications:
– Water treatment and purification (coagulant, flocculant)
– Detergent formulation (foaming agent, builder, emulsifier)
– Paper and pulp processing
– Textile finishing
– Mining and mineral recovery
– Food industry (as a stabilizer and thickener)
– Environmental remediation (soil and water conditioning)
Please note that the specific parameters may vary depending on the purity grade and source of the product. For more detailed information, consult the manufacturer’s specifications or a technical data sheet.
(Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate)
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FAQs of Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate
Q1. What exactly do Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate do?
A: Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate lower the surface tension between fluids or between a fluid and a solid, improving properties such as wetting, foaming, detergency, emulsification, and dispersing. They achieve this through their amphiphilic structure, which allows them to interact effectively at interfaces.
Q2. Are surfactants safe for the environment?
A: The environmental impact of Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate varies greatly depending on their type, concentration, and the specific environment they enter. Some surfactants are biodegradable and pose minimal risk when used and disposed of properly. However, non-biodegradable surfactants can accumulate and harm aquatic life. It’s essential to choose eco-friendly options and follow recommended disposal guidelines.
Q3. How do Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate affect skin and hair?
A: Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate in personal care products can have both positive and negative effects. They help clean by removing dirt and oil but may also strip natural oils from the skin and hair, leading to dryness or irritation. Mild or moisturizing surfactants are often used in formulations to minimize these side effects.
Q4. How do Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate contribute to the effectiveness of cleaning products?
A: In cleaning products, Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate work by surrounding dirt particles, making them more soluble in water. They also reduce the surface tension of water, enabling it to penetrate better into fabrics and surfaces, and lift away grease and grime. This dual action of solubilization and penetration significantly enhances cleaning efficiency.
Q5. Why do some surfactants produce more foam than others?
A: The foaming capacity of surfactants depends on their molecular structure and the solution conditions. Generally, surfactants with long hydrocarbon chains and high concentrations tend to produce more stable foam because they can trap air more effectively. Additionally, anionic and nonionic surfactants are often associated with good foaming properties compared to cationic ones.
Q7. How do you determine the right surfactant for a specific application?
A: Choosing the right surfactant involves considering factors such as the required function (e.g., cleaning, emulsifying, wetting), compatibility with other ingredients in the formulation, environmental and safety regulations, cost-effectiveness, and desired end-product properties. Testing different surfactants in small-scale experiments is often necessary to identify the optimal choice for a given application.
(Anionic surfactant CAS 8061-51-6 Sodium Lignosulfonate)
