Methyl 4-Hydroxybenzoate (Methylparaben) 99%

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Property:

Methyl 4-hydroxybenzoate is also called methylparaben. This paraben is a white crystalline powder or colorless crystals. It is freely soluble in alcohol, ether, acetone, and very slightly soluble in water. Methyl 4-hydroxybenzoate boiling point is 270-280 deg. C.

CAS No.:

99-76-3

Molecular Formula:

C8H8O3

Molecular Weight:

152.15

Structure Formula:

methylparaben 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%
According to BP USP/NF standard

Uses:

Methyl 4-hydroxybenzoate is mainly used as antiseptics in foodstuff, medicine, and cosmetics. Methyl 4-hydroxybenzoate can also be used in feed as antiseptics. Because of its phenolic hydroxyl structure, methyl 4-hydroxybenzoate has stronger antibacterial properties than benzoic acid and sorbic acid.

Packing:

Packed with cardboard drum (Φ36×46.5cm) of 25kg 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 allergy.

Synonyms:

nipagin m, methyl parahydroxybenzoate, methyl paraben, methyl p hydroxybenzoate, methyl hydroxybenzoate, nipagin, methylparaben preservative

Note:

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