China China High Quality Potassium Alginate Suppliers - Methyl Paraben｜99-76-3 – COLORKEM Manufacturer and Supplier

China High Quality Potassium Alginate Suppliers - Methyl Paraben｜99-76-3 – COLORKEM

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Assume full obligation to meet all demands of our customers; accomplish ongoing advancements by promoting the advancement of our customers; become the final permanent cooperative partner of clientele and maximize the interests of shoppers for Levulinic Acid, 2,3-Dimethyl Pyrazine, L-Glutamic Acid, We warmly welcome all interested customers to contact us for more information.

China High Quality Potassium Alginate Suppliers - 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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Every single member from our higher effectiveness product sales staff values customers' requires and organization communication for China High Quality Potassium Alginate Suppliers - Methyl Paraben｜99-76-3 – COLORKEM , The product will supply to all over the world, such as: Hongkong, Moldova, New Orleans, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products and solutions have been exported to more than 15 countries in the world and have been widely used by customers.

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