SLSA Sodium Lauryl Sulfoacetate Powder

 

SLSA sodium lauryl sulfoacetate powder is an anionic surfactant with good detergency, foaming, solubilizing and emulsifying properties; it has good calcium soap dispersion and hard water resistance.

 

It is milder compared to fatty alcohol polyoxyethylene ether sulfate. It can be used as a substitute for sodium stearate, and can also be used in baby washing products.

 

It is used as a surfactant and foaming agent in cosmetics, referred to as SLSA. Although it is very similar to SLS, SLSA is safer, gentler, and has good hydrophilicity, making it easier for oil to be rinsed out by water, and is suitable for various skin and hair types.

 

 

Test Item	Analysis Specification	Result
Appearance	White Powder	Conforms
Melting Range	129°C~132°C	130°C-131°C
Loss on Drying	≤0.5%	0.15 %
Specific Rotation	-58°~-62°(C=1,in CH3OH)	-61.38°
Ash	≤0.1%	0.05%
Heavy metals	≤10ppm	Conforms
Chlorides	≤0.02%	Conforms
Sulfates	≤0.02%	Conforms
Fluorine	14.7%~17.9%	15.9%
Residual solvent	Methanol ≤0.2% Isopropanol ≤0.2% Ethyl acetate≤0.2% Chloroform ≤0.2%	0.0% 0.0% 0.0% 0.0%
Related substances (HPLC)	Single impurity ≤0.2% Total impurities ≤0.5%	0.05% 0.08%
Assay	≥99%	99.88%
Conclusion	Accordance with the reference

 

 

1. Cleaning and foaming functions

(1) Efficient decontamination effect
The hydrophobic chain (lauryl alcohol group) in the molecular structure can absorb grease and dirt, while the sulfonic acid group enhances water solubility, allowing it to achieve deep cleansing in shampoos and shower gels, and is especially good at removing silicone oil residues.

 

(2) Fine foam generation
Compared with traditional SLS (sodium lauryl sulfate), SLSA sodium lauryl sulfoacetate powder produces denser and more stable foam, which can improve the dispersion of paste in toothpaste and create a soft touch in facial cleanser.

 

2. Mildness and stability

(1) Low irritation
The molecular weight is larger (about 434.5 g/mol) and the charge distribution is more uniform, which reduces the risk of cuticle protein denaturation. Clinical tests show that its sensitization rate is only 1/3 of SLS and is suitable for baby care products and special formulas for eczema patients.

 

(2) Stability
It remains stable in the pH range of 3-10 and can be compatible with cationic conditioners. It is commonly used in two-in-one shampoo formulas to solve the problem of mutually exclusive cleaning and hair care ingredients.

 

3. Emulsification and stabilization function

(1) Construction of emulsion system
Physical sunscreen agents such as titanium dioxide can be emulsified in sunscreen to form a uniformly dispersed system. SLSA sodium Lauryl Sulfoacetate powder is HLB value (8-10) is particularly suitable for lotions and creams, and the addition amount is usually 0.5-2%.

 

(2) Suspension stabilization effect
By forming a micelle network structure, the exfoliating particles are maintained suspended in the scrub, preventing precipitation and stratification, and extending the shelf life by 6-12 months.

 

4. Promote absorption and antisepsis

(1) Active ingredients promote penetration
As a transdermal absorption enhancer in drug patches, SLSA sodium lauryl sulfoacetate powder can increase the transdermal rate of drugs such as salicylic acid by 40-60% by reversibly changing the lipid arrangement of the stratum corneum.

 

(2) Anti-corrosion
When compounded with phenoxyethanol, the dosage of preservatives can be reduced by 30%. Its sulfonic acid group can destroy the membrane potential of microbial cells and enhance the broad spectrum of the preservative system.

 

 

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We have professional business staff to communicate with you about your product needs and understanding. There is a professional mailbox system, you can leave a message at any time, we will reply as soon as we see it. Contact Us: Email: info@fruiterco.com.

 

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