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:
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We're proud from the higher client fulfillment and wide acceptance due to our persistent pursuit of high quality both on product and service for China High Quality Zinc Acetate Manufacturers - Botanical molluscicide CNM-30 – COLORKEM , The product will supply to all over the world, such as: Jamaica, Thailand, Algeria, We adopted technique and quality system management, based on customer orientated, reputation first, mutual benefit, develop with joint efforts, welcome friends to communicate and cooperate from all over the world.
By Novia from Portugal - 2017.11.01 17:04
High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
By Mark from Doha - 2017.08.15 12:36
