Methyl Paraben
Methyl Paraben (also known as Methyl 4-hydroxybenzoate) is a widely used preservative in the cosmetic, pharmaceutical, and food industries. It is a white, crystalline powder or colorless crystals with a slight odor. Methyl Paraben is an ester of p-hydroxybenzoic acid and is often used for its antimicrobial and antifungal properties.
Product Name: Methyl Paraben
CAS Number: 99-76-3
Molecular Formula: C8H8O3
Molecular Weight: 152.15 g/mol
Applications:
Cosmetics & Personal Care: Used to prevent the growth of harmful microorganisms in lotions, shampoos, deodorants, and other personal care products.
Pharmaceuticals: Helps extend the shelf life of medicines and ointments.
Food & Beverages: Acts as a preservative in certain food products and beverages.
Other Uses: Also used in cleaning products and paints for its preservative qualities.
Features:
Effective preservative with antimicrobial properties
Safe for use in various industries when used within recommended concentrations
Widely accepted in both cosmetic and pharmaceutical formulations
|
ITEM |
SPECIFICATION |
TEST RESULTS |
|
APPEARANCE |
White crystalline powder |
White crystalline powder |
|
ASSAY (ON DRY BASE) |
98.0%-102.0% |
99.83% |
|
Melting Point |
125-128℃ |
127.4℃ |
|
Acidity |
<0.1 |
0.02 |
|
Loss on drying |
0.5% max |
0.26% |
|
Sulfate(SO₄²¯) |
0.024%max |
<0.024% |
|
Residue on Ignition |
0.1%max |
0.030% |
|
Identification |
Passed |
Passed |
|
Total Impurity |
≤1.0% |
0.10% |
|
Color of Solution |
Passed |
Passed |
|
Residual solvents |
≤1000ppm |
≤200ppm |
|
Conclusion |
Passed |
|
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