China High Quality Zinc Acetate Manufacturers - Botanical molluscicide CNM-30 – COLORKEM
China High Quality Zinc Acetate Manufacturers - Botanical molluscicide CNM-30 – 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.
Application
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 |
Product detail pictures:
Related Product Guide:
Reliable quality and good credit standing are our principles, which will help us at a top-ranking position. Adhering to the tenet of quality first, customer supreme for China High Quality Zinc Acetate Manufacturers - Botanical molluscicide CNM-30 – COLORKEM , The product will supply to all over the world, such as: Georgia, Azerbaijan, Boston, We've got a dedicated and aggressive sales team, and many branches, catering to our customers. We are looking for long-term business partnerships, and ensure our suppliers that they will absolutely benefit in both short and long run.
By Klemen Hrovat from Mozambique - 2017.02.14 13:19
The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
By Evangeline from Moscow - 2017.08.21 14:13
