Methylparaben

规格：

25kg/纸板桶

含量：

99.9%

Methylparaben (methylparaben) Chinese name methylparaben
English name methylparaben
Alias methylparaben
Boiling point -℃
Appearance: White crystalline powder or colorless crystal
Antiseptic and preservative for pharmaceutical applications
Molecular formula:
Molecular weight:
Number: --[]
D number: D
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r No.: D
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Use: cosmetic preservative. It is a phenolic preservative that is effective against various molds, yeasts, and bacteria, but the bactericidal power of paraben is low. It is usually mixed with propylparaben and has good additivity and synergy. Adding amount.%~.%. The antiseptic activity is related to the value of the solution. When the value is , the activity is the original activity. If the value is , the activity is reduced to half of the original activity. It will be bound by some polymer compounds such as methylcellulose, gelatin protein, etc., causing it to lose its preservative activity.