Methyl 4-Hydroxybenzoate (Methylparaben) 99%
Properties:
Methyl 4-hydroxybenzoate is also called methylparaben. This paraben is a white crystalline powder or colorless crystals. It is freely soluble in alcohol, ether, and acetone and very slightly soluble in water. Methyl 4-hydroxybenzoate boiling point is 270~280℃.
CAS No.:
99-76-3
Molecular Formula:
C8H8O3
Molecular Weight:
152.15
Structure Formula:
Specifications:
| Item | Index |
|---|---|
| Appearance | White Powder |
| Assay (on a dry basis) | 99.0-100.5% |
| Melting Point | 125-128 deg. C |
| Residue on Ignition | 0.1% Max. |
| Sulphated Ash | 0.05% Max. |
| Acidity | 0.1mL |
| Appearance of Solution | passed |
| Related Substances | 0.5 |
| Heavy Metal (Pb) | 10ppm Max. |
| Residual Solvents | 3000ppm Max. |
| Loss on Drying | 0.5% |
Uses:
Methyl 4-hydroxybenzoate is mainly used as an antiseptic in foodstuffs, medicine, and cosmetics. Methyl 4-hydroxybenzoate can also be used in feed as an antiseptic. Because of its phenolic hydroxyl structure, methyl 4-hydroxybenzoate has more potent antibacterial properties than benzoic acid and sorbic acid.
Packing:
Packed with cardboard drum (Φ36×46.5cm) of 25 kg net each, double PE inner bag inside.
Safe Protection:
Methyl 4-hydroxybenzoate danger is mainly in the production process. Workers’ exposure to raw powder will cause obvious irritation to the skin and eyes. Methyl 4-hydroxybenzoate side effects are mainly in cosmetics. Excessive use of parabens can cause skin allergies.
Synonyms:
nipagin m, methyl parahydroxybenzoate, methylparaben, methyl p hydroxybenzoate, methyl hydroxybenzoate, nipagin, methylparaben preservative.
Note:
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