Methyl Paraben
SKU : 99-76-3
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Methyl Paraben is one of the popular food additives and ingredients in most countries, As a professional Methyl Paraben supplier and manufacturer, Foodchem International Corporation has been supplying and exporting Methyl Paraben from China for almost 20 years, please be assured to buy Methyl Paraben at Foodchem. Any inquiries and problems please feel free to send emails to us via sales@foodchem.com, we will reply you within 1 working day.
Methyl Paraben
Type | Preservatives
E No. | E218
CAS No. | 99-76-3
Qty in 20' FCL | 10MT
Min. Order | 500KG
Packaging | 25KG/BAGS
Description
Methyl paraben, also mEthyl Paraben, one of the parabens, is a preservative with the chemical formula CH3(C6H4(OH)COO). It is the methyl ester of p-hydroxybenzoic acid.
Nature : a white crystalline powder or crystalline. 115-118 ° C melting point, boiling point, 297-298 ° C. Soluble in ethanol, ethyl ether and acetone, micro-soluble in water, chloroform, carbon disulfide and petroleum ether. Minor special aroma and taste, slightly bitter flavor, Zhuo Ma.
Preparation : p-hydroxybenzoic acid and ethanol in the presence of sulfuric acid catalyst for esterification, esterification in the water after the completion of crystallization, then through a filter, in pickling products.Use : organic intermediates. For Preservatives, antimicrobial agent, used in food, cosmetics and pharmaceuticals. Also used for analysis of organic reagents. The goods on mold, yeast and bacteria have broad antibacterial effects, yeast and mold to the role of a strong, but especially for bacteria Gram-negative bacilli and the role of Lactobacillus poor. Food and medicine efficient preservation fungicides
Specification
| ITEM | SPECIFICATION |
| Appearance | White crystalline powder |
| Purity | >= 99.0% |
| Melting point | 125- 128 |
| Residue on ignition | =< 0.1% |
| Acidity (mg/g) | 4.0- 7.0 |
| Related substances | =< 0.5% |
| Identification | Conform |
| Clarity of solution | Clear and transparent |
| Heavy metal (as Pb) | =< 10 ppm |
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