Sodium methylparaben is a water-soluble paraben preservative with significantly improved hydrophilicity compared to conventional paraben monomers. The raw material features excellent water solubility and can dissolve rapidly in pure water, while also possessing good solubility in ethanol. It is insoluble in non-polar substances such as grease and ether, making it highly targeted for various water-based formula systems. Chemically stable under normal temperature and atmospheric pressure conditions, the ingredient maintains excellent activity in neutral and weakly alkaline aqueous solutions. It boasts outstanding thermal resistance and will not decompose during conventional industrial heating processes. However, strong acidic environments will trigger precipitation of methylparaben, which completely fails the antimicrobial performance of the formula.
Key Advantages
This preservative delivers broad-spectrum antimicrobial capacity, effectively inhibiting the growth and reproduction of bacteria, yeasts and molds to stabilize the microbial safety of finished products.
Different from traditional oil-soluble parabens, it requires no auxiliary solvents including ethanol and propylene glycol for dissolution, simplifying production operations and avoiding organic solvent residues in finished goods.
The ingredient exhibits superior formula compatibility, retaining stable properties under high-temperature processing and neutral to weakly alkaline system environments, covering cosmetics, daily chemicals, food and pharmaceutical liquid formulations.
In addition, it complies with national industry standards and cosmetic ingredient specifications, presenting non-toxic and non-irritating characteristics under standard dosage with reliable application safety.
Specifications
| Chemical Name | Sodium 4-hydroxybenzoate methyl ester |
| Molecular Formula | C8H7NaO₃ |
| CAS No. | 5026-62-0 |
| Appearance | White or almost white crystalline powder |
| Content | 98.5%～101.5% |
| PH Value(0.1% H2O Solution) | 9.5～10.5 |
| H2O | ≤5.0% |
| (Pb)mg/kg | ≤2.0 |
| Sulfate Content (as SO₄²⁻) | ≤0.030% |
| Chloride (as Cl) | ≤0.035% |
Applications
As a mainstream broad-spectrum water-soluble preservative, sodium methylparaben covers multiple industrial scenarios. In personal care and cosmetic manufacturing, it is applicable to leave-on and rinse-off water-based products, including skin toners, serums, toothpaste and various aqueous skincare and cleansing products, fully conforming to domestic cosmetic ingredient regulations with standardized dosage control. For the food industry, it serves as an effective preservative for beverages, condiments and liquid food products to extend shelf life and meet national food testing standards. It can also be adopted as an antibacterial auxiliary material for pharmaceutical liquids, external preparations and water-based cleaning products to restrain microbial proliferation and protect product quality throughout storage.
Packaging & Storage
The standard packaging specification is 25kg per paper drum lined with double-layer food-grade plastic bags, and customized packaging solutions are available to meet diverse customer demands.
For proper storage, the product shall be placed in cool, dry and well-ventilated warehouses. It is necessary to avoid high temperature and direct strong light exposure, and cross storage with strong acid and strong alkaline materials is strictly prohibited. Sealed storage is mandatory to prevent moisture absorption and caking of the raw material.
Quality & Service
Manufactured in an ISO-certified facility, each batch comes with a Certificate of Analysis (COA). We offer reliable supply, technical support, and competitive pricing for bulk orders.
FAQ
Q: Are you a manufacturer or a trading company?
A: We are an OBM trading company with over 30 years of experience in fatty acid esters, preservatives and photoinitiators.
Q: Do you offer free samples for testing?
A: Yes, we do. We can provide you with free samples for testing and quality inspection.
Q: What is your lead time?
A: Stock goods are delivered within 7-15 days, and mass production takes 15-30 days, subject to the production schedule after sample confirmation.
Request a Quote/Sample
Sourcing high-grade Sodium 4-hydroxybenzoate methyl ester 5026-62-0 for your formulation requirements? Reach out to us promptly to obtain full datasheet details, free sample assistance and cost-competitive business pricing.
Hot Tags: sodium methy paraben, China sodium methy paraben manufacturers, suppliers, 4 Hydroxybenzoic Methy, Butyl N, CAS 94 13 3, CAS 99 76 3, Methylenebis, Sodium Ethylparaben
