Introduction
Sodium methyl oleoyl taurate (SMOT) is an anionic surfactant commonly used in personal care, detergents, and industrial applications. Its unique properties, including excellent foaming, detergency, and mildness, have made it a preferred choice for various industries.
Chemical Structure and Properties
SMOT is an anionic surfactant composed of a hydrophobic hydrocarbon tail (oleoyl chain) and a hydrophilic head group (taurine). Its chemical structure is CH3(CH2)7CH=CH(CH2)7COO-CH2CH2SO3-Na+. The presence of the hydrophilic head group imparts water solubility, while the hydrophobic tail provides surface activity.
SMOT exhibits several key properties that contribute to its effectiveness as a surfactant:
Production and Applications
SMOT is primarily produced through the reaction of methyl oleate with taurine in the presence of sodium hydroxide. The resulting product is a pale yellow liquid with a mild odor.
Due to its unique properties, SMOT is widely used in various applications:
Personal Care:
Detergents:
Industrial Applications:
Benefits and Limitations
Benefits of SMOT:
Limitations of SMOT:
Safety and Handling
SMOT is generally considered safe for use in personal care and cleaning products. However, it should be handled with care as it can cause eye irritation and skin sensitization in high concentrations. Avoid prolonged exposure and wear appropriate protective equipment when handling.
Comparative Analysis
SMOT is often compared to other anionic surfactants, such as sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES). While SMOT exhibits similar foaming and detergency properties, it offers advantages in terms of mildness and biodegradability.
Table 1: Comparison of Surfactants
Feature | SMOT | SLS | SLES |
---|---|---|---|
Foaming | Excellent | Excellent | Good |
Detergency | Strong | Strong | Moderate |
Mildness | High | Low | Moderate |
Biodegradability | High | Moderate | Low |
Table 2: Applications of SMOT
Application | Product Type | Concentration |
---|---|---|
Shampoo | Liquid shampoo | 1-5% |
Detergent | Laundry powder | 5-15% |
Hard surface cleaner | Floor cleaner | 0.5-2% |
Table 3: Physicochemical Properties of SMOT
Property | Value |
---|---|
CAS Number | 140988-79-8 |
Chemical Formula | CH3(CH2)7CH=CH(CH2)7COO-CH2CH2SO3-Na+ |
Molecular Weight | 433.6 g/mol |
Appearance | Pale yellow liquid |
Odor | Mild |
Density | 1.07 g/cm3 |
pH | 7-9 |
Interesting Stories
A chemist named Dr. Smith was experimenting with SMOT in his laboratory when he accidentally spilled a drop on his tongue. To his astonishment, he found it tasted surprisingly salty, even though it contained no salt whatsoever. This was due to the unique structure of SMOT, which allowed it to interact with taste receptors on his tongue, creating the sensation of saltiness.
A woman named Mary was using a new shampoo containing SMOT. She noticed that it produced an unusually large amount of foam, almost overflowing her shower. Unbeknownst to her, she had accidentally used a double dose of shampoo, but the SMOT's excellent foaming ability made it appear like a much smaller quantity.
A mother named Lisa was concerned about her baby's sensitive skin. She tried various soaps and detergents but found that they all caused irritation. Finally, she heard about SMOT and decided to give it a try. To her delight, her baby's skin remained smooth and comfortable after using products containing SMOT, demonstrating its exceptional mildness.
What We Learn:
Conclusion
Sodium methyl oleoyl taurate (SMOT) is a versatile surfactant with a wide range of applications in personal care, detergents, and industrial settings. Its excellent foaming, detergency, mildness, and biodegradability make it a preferred choice for manufacturers and consumers alike.
By understanding the properties and benefits of SMOT, we can harness its potential to create effective and sustainable products that enhance our lives.
FAQs
What is the CAS number of SMOT?
- CAS 140988-79-8
Is SMOT safe for use on skin?
- Yes, SMOT is considered mild and non-irritating, making it suitable for personal care products.
What is the recommended usage concentration of SMOT in detergents?
- Typically 5-15%
Is SMOT biodegradable?
- Yes, SMOT is readily biodegradable, reducing its environmental impact.
How can I buy SMOT?
- SMOT is available from chemical suppliers and manufacturers.
What are the main benefits of SMOT?
- Excellent foaming, strong detergency, mildness, biodegradability, and pH stability.
What are the potential limitations of SMOT?
- Sensitivity to electrolytes, potential protein interactions, and varying availability and cost.
How should I handle SMOT?
- Wear appropriate personal protective equipment and avoid prolonged exposure.
Call to Action
Explore the versatile applications of SMOT in your own products and experience its superior performance and environmental friendliness. Contact a chemical supplier today to inquire about availability and pricing.
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