China High Quality Peanut Oil Manufacturers - Methyl Paraben｜99-76-3 – COLORKEM
China High Quality Peanut Oil Manufacturers - Methyl Paraben｜99-76-3 – COLORKEM Detail:
Products 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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The company upholds the philosophy of Be No.1 in quality, be rooted on credit and trustworthiness for growth, will continue to serve old and new customers from home and overseas whole-heatedly for China High Quality Peanut Oil Manufacturers - Methyl Paraben｜99-76-3 – COLORKEM , The product will supply to all over the world, such as: Bangalore, Ecuador, Hyderabad, Wide selection and fast delivery for you! Our philosophy: Good quality, great service, keep improving. We are looking forward that more and more oversea friends join in our family for further development near the future!
By Erin from Rio de Janeiro - 2018.02.04 14:13
The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
By Antonia from Israel - 2017.12.31 14:53
