Methyl Paraben
- CAS Number: 99-76-3
- Chemical Formula: C8H8O3
- MOQ: 1000KG
- Shelf Life: 2 years
- Forms: Powder, Granule, Solution
- Synonyms: Methyl p-hydroxybenzoate, 4-Hydroxybenzoic acid methyl ester, Methyloxybenzoic acid
Product Description
What Is Methyl Paraben?
Methyl Paraben’s potent antimicrobial properties proficiently curb the growth of bacteria, mold, and yeast.
Preparation Method:
Methyl Paraben is synthesized by esterifying p-hydroxybenzoic acid with methanol, usually with a strong acid catalyst such as sulfuric acid. This reaction produces methyl paraben and water. The product is then purified through crystallization or distillation depending on the required purity. Methyl paraben is typically available as a white crystalline powder or as a solution for use in personal care and pharmaceutical applications.
Related Parameters:
| Items | Standards |
| Purity | ≥ 99% |
| Melting Point | 125°C – 128°C |
| Loss on Drying | ≤ 0.5% |
| pH | 5.5 – 7.0 |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Sulphated Ash | ≤ 0.1% |
| Assay (by HPLC) | ≥ 99% |
| Residual Solvents | Meets the requirements (usually ≤ 0.05%) |
Recommended Dosage of Methyl Paraben:
| Applications | Dosage |
| Cosmetics & Personal Care Products | 0.2% – 0.8% |
| Pharmaceuticals | <0.1% |
| Food & Beverages | 0.1% – 0.2% |
| Agriculture & Animal Care | 0.01% – 0.1% |
| Industrial Applications | 0.1% – 0.5% |
Methyl Paraben Has Wide Range of Uses:
Methyl paraben is widely used across several industries for its preservative properties.
In Cosmetics & Personal Care, methyl paraben is frequently included in lotions, shampoos, and makeup products to inhibit microbial growth and prolong shelf life.
In the pharmaceutical industry, it serves as a preservative in various formulations, such as topical preparations, oral syrups, and ointments, where it helps to extend shelf life and prevent microbial growth.
Within the Food & Beverages sector, it is sometimes incorporated into processed foods and beverages to help prevent spoilage.
It can also be found in Agriculture & Veterinary products, including certain pesticides and animal care items.
Additionally, Industrial applications include use in paints, coatings, and cleaning agents to control microbial contamination.
User Asked Question:
Q: How does methyl paraben differ from other parabens?
A: Methyl paraben, which is the methyl ester of p-hydroxybenzoic acid, is a type of paraben widely used for its antimicrobial properties. Compared to other parabens, such as ethyl paraben or butyl paraben, methyl paraben has a smaller molecular structure, making it less likely to cause irritation. Cosmetics and pharmaceuticals also make extensive use of it because of its stability and effectiveness in product preservation.
