Stearalkonium Chloride
- CAS Number: 112-02-7
- Chemical Formula: C18H37ClN
- MOQ: 1000KG
- Shelf Life: 2 years
- Synonyms: Stearyltrimethylammonium chloride
Product Description
What Is Stearalkonium Chloride?
A typical conditioning agent in personal care products including shampoos, conditioners, and lotions is stearalkonium chloride, a quaternary ammonium molecule. This cationic surfactant’s positive charge allows it to interact with negatively charged surfaces, like skin or hair strands, to smooth and lessen static. It can be employed in both industrial and cosmetic contexts due to its antimicrobial properties.
Preparation Method:
Stearalkonium chloride is synthesized by reacting stearyl chloride (C₁₈H₃₇Cl) with trimethylamine ((CH₃)₃N) in the presence of heat (70-80°C). Quaternary ammonium is the product of this process. The product is purified by washing it with water after the reaction to get rid of any unreacted components. The end product has a high active matter concentration and ranges from pale yellow to colorless. This synthesis is efficient, making stearalkonium chloride widely used in various industries.
Related Parameters:
| Items | Standards |
| Active Matter % | ≥ 25% |
| Appearance at 25°C | Pale yellow to colorless transparent liquid |
| Free Amine % | ≤ 2% |
| pH (1% aqueous solution) | 5.0-8.0 |
| Color Number (APHC) | < 100# |
Recommended Dosage of Stearalkonium Chloride:
| Applications | Dosage |
| Hair Conditioners | 2%-5% |
| Shampoos | 1%-2% |
| Body Lotions & Creams | 1%-2% |
| Fabric Softeners | 2%-5% |
| Antistatic Agents | 0.1%-0.3% |
| Emulsifiers in Creams | 0.3%-1% |
| Antimicrobial Agent | 0.2%-1% |
Stearalkonium Chloride Has Wide Range of Uses:
Hair care: It offers superior conditioning, lowers static, detangles hair, and improves manageability and smoothness in shampoos and conditioners.
Skin Care: Incorporated into body lotions and creams, it helps soften and smooth the skin, improving texture without leaving a greasy feel.
Fabric Softeners: In laundry products, it softens fabrics, reduces wrinkles, and prevents static buildup, leaving clothes feeling soft and fresh.
Textile & Antistatic Agents: When used in textiles, they lower static charge, improving comfort and decreasing the likelihood that dust would stick to them.
Emulsifiers & Antimicrobial: Used in creams and other personal care products, it helps stabilize emulsions and provides mild antimicrobial effects, extending product shelf life.
User Asked Question:
Q: How does Stearalkonium Chloride compare to Cetrimonium Chloride?
A: Both Stearalkonium Chloride and Cetrimonium Chloride are cationic surfactants used for conditioning in hair care products. Stearalkonium Chloride provides stronger moisturizing and smoothing effects, making it ideal for dry or damaged hair. In contrast, Cetrimonium Chloride is lighter, offering more manageable, non-greasy conditioning, and is often used in formulations for normal to oily hair types.
