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As a professional manufacturer of Methylparaben (CAS 99-76-3), we are committed to providing global customers with high-quality, large-scale and stably supplied preservative raw materials with a full-chain quality control system from raw material sourcing to finished product delivery.
Item No :
LEAFCHEM053Order(MOQ) :
100kgsProduct Origin :
ChinaColor :
White transparent crystalsShipping Port :
Shanghai, ChinaLead Time :
2-3 weeksWeight :
25kgCas No. :
99-76-3Molecular Formula :
C₈H₈O₃Appearance :
White crystalline powder / flakesAssay :
≥99.0% (HPLC)Application :
Cosmetics & Personal Care Food Industry Pharmaceuticals Daily Chemicals
Methylparaben (CAS 99-76-3) | High-Stability Preservative for Cosmetics & Food.
Key Benefits:
Broad-Spectrum Protection: Highly effective against bacteria, molds, and yeasts.
High Stability: Maintains integrity under various processing conditions.
Cost-Effective: Offers superior preservation performance at a competitive price.
Versatile Application: Ideal for lotions, creams, drugs, and processed foods.
Technical Specifications
| ltem | Specification |
| CAS NO. | 99-76-3 |
| Molecular Formula | C₈H₈O₃ |
| Molecular Weight | 152.15 g/mol |
| Appearance | White crystalline powder or flakes |
| Odor | Slight characteristic phenolic odor |
| Melting Point | 125-128°C |
| Boiling Point | ~270°C(decomposes) |
| Solubility | Slightly soluble in water (≈0.25 g/100 mL at 25°C);Soluble in ethanol, ether, acetone, propylene glycol |
| pH Value | 5.0-7.0 (1% aqueous suspension) |
Key Application Fields
FAQ ：Methyl Paraben
Q: Is Methylparaben safe for use in cosmetics and personal care products?
A: Yes, Methylparaben is considered safe when used within the limits established by global regulatory bodies. The U.S. FDA, the European Scientific Committee on Consumer Safety (SCCS), and the CIR (Cosmetic Ingredient Review) Expert Panel have evaluated Methylparaben and confirmed its safety for use in cosmetic formulations at standard concentrations (typically up to 0.4% individually or 0.8% in mixtures).
Q: Is Methylparaben natural or synthetic?
A: While Methylparaben occurs naturally in several fruits (such as blueberries) and plants as a defense mechanism, the commercial form used in the industry (CAS 99-76-3) is synthetically produced. This ensures high purity (>99%), consistent quality, and stability required for industrial applications.
Q: What is the optimal pH range for Methylparaben activity?
A: Methylparaben exhibits broad-spectrum antimicrobial activity over a wide pH range, typically pH 4.0 to 8.0. However, its efficacy is highest in acidic to neutral conditions. At pH levels above 8.0, it may undergo hydrolysis, reducing its preservative capability.
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