As a high-performance preservative, this product has unique solubility properties and stable chemical performance. At 25 degrees Celsius, its solubility in water is about 2.5 g/L; it dissolves easily in ethanol and propylene glycol, but has poor solubility in oils. It is stable in acidic and neutral environments, yet hydrolysis may occur under high-temperature conditions.
Key Advantages
The product features excellent broad-spectrum antibacterial performance, which can effectively suppress the reproduction of molds, yeasts and certain bacteria.
It works best within the pH range of 4 to 7, making it suitable for various formulation systems.
Moreover, it requires a low dosage-only 0.1% to 0.3% in cosmetics and pharmaceuticals-thus reducing potential safety risks while ensuring effective preservation.
Specifications
| Chemical Name | 4-Hydroxybenzoic acid methyl ester |
| Molecular Formula | C₈H₈O₃ |
| CAS No. | 99-76-3 |
| Appearance | White or almost white crystalline powder |
| Content | 99.0%～100.5% |
| Melting Point | 125～128℃ |
| Acid Value | 4.0～7.0 |
| Ignition Residue | ≤0.1% |
Packaging & Storage
- Packing: 25 kg/paper drum or per customer's request
- Storage Requirements: Keep away from light, in a dry and airtight container, and maintain the storage temperature at less than 30°C. Packaging Specification: 25 kg per barrel, available in cardboard barrels or barrels lined with polyethylene.
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: Does the ingredient have sensitization risk?
A: A small number of people may have allergic reactions to this raw material.
Q: Which industries is this product mainly applied to?
A: It is widely used in cosmetics, food and pharmaceutical fields.
Q: What is the typical usage concentration in formulation?
A: The common dosage is 0.1% to 0.3% for cosmetic and pharmaceutical applications.
Request a Quote/Sample
Sourcing high-grade 4-Hydroxybenzoic acid methyl ester CAS 99-76-3 for your formulation requirements? Reach out to us promptly to obtain full datasheet details, free sample assistance and cost-competitive business pricing.
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