Application of ATMP•Na4 in Daily Chemicals
ATMP·Na₄ is a highly effective chelating agent, scale inhibitor, and stabilizer widely used in daily chemical products due to its excellent metal ion sequestration, anti-scaling, and compatibility properties. Below are its key applications and benefits:
1. Main Applications in Daily Chemicals(1) Detergents & Cleaning ProductsRole:
Water Softening: Strongly chelates Ca²⁺, Mg²⁺, Fe³⁺ in hard water, preventing soap scum (calcium stearate) and improving cleaning efficiency.
Anti-redeposition: Helps keep dirt and stains suspended in water, preventing re-deposition on fabrics or surfaces.
Phosphate Substitute: Used in low-phosphate or phosphate-free detergents to comply with environmental regulations.
Products:
Laundry detergents (powder/liquid)
Dishwashing liquids
Household cleaners (floor, bathroom, kitchen)
Dosage:
0.5%–5% (by weight), adjusted based on water hardness.
(2) Personal Care & CosmeticsRole:
Stabilizer: Prevents metal ions (Fe³⁺, Cu²⁺) from catalyzing oxidation in shampoos, creams, and lotions.
Preservative Booster: Enhances the effectiveness of preservatives like parabens.
pH Buffer: Maintains product stability in alkaline formulations (e.g., hair relaxers).
Products:
Shampoos & conditioners
Liquid soaps & shower gels
Toothpaste (stabilizes peroxide in whitening formulas)
Dosage:
0.1%–2% (typically used at low concentrations).
(3) Industrial & Institutional (I&I) CleanersRole:
Descaling Agent: Removes limescale in dishwasher detergents and industrial cleaners.
Corrosion Inhibitor: Protects metal surfaces (e.g., in machine dishwashing).
Products:
Automatic dishwasher detergents
CIP (Clean-in-Place) cleaners for food processing
Metal surface treatment solutions
Dosage:
1%–10%, depending on scaling potential.
2. Advantages Over Alternatives
| Property | ATMP·Na₄ | EDTA | Citrate |
|---|---|---|---|
| Chelation Power | ★★★★★ (strong) | ★★★★★ | ★★★☆☆ (weak) |
| Thermal Stability | ≤100°C stable | ≤80°C | ≤60°C |
| Cost | Medium | High | Low |
| Eco-Friendliness | Moderate (P-based) | Poor (non-biodegradable) | Excellent (biodegradable) |
3. Recommended Formulations(A) Laundry Detergent (Liquid)
ATMP·Na₄: 2%
LAS (Surfactant): 15%
Nonionic surfactant: 5%
Sodium citrate: 3%
Enzymes & Fragrance: q.s.
(B) Descaling Cleaner
ATMP·Na₄: 8%
Citric acid: 10%
Nonionic surfactant: 2%
Water: Balance
4. Key Considerations
pH Range: Works best at pH 6–11 (stable in alkaline conditions).
Compatibility:
Compatible with anionic/nonionic surfactants, but avoid direct mixing with cationic surfactants.
Do not mix with strong oxidizers (e.g., hypochlorite) without testing.
Regulatory Compliance:
Some regions restrict phosphorus content (e.g., EU Detergent Regulation).
Consider P-free alternatives (e.g., GLDA, IDS) for eco-friendly formulations.
5. Storage & Handling
Shelf Life: 24 months in sealed containers at <30°C.
Packaging: 25 kg HDPE drums or IBC totes (liquid), 25 kg bags (powder).
Conclusion
ATMP·Na₄ is a versatile ingredient in detergents, personal care, and industrial cleaners, offering superior scale inhibition, metal ion control, and stability. While highly effective, formulators should assess phosphorus regulations and explore eco-friendly alternatives where needed.
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