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 |
Certification
FAQ
1, What kinds of certificates can you offer?
Foodchem is an ISO2008 9001 certified company, as for Methyl Paraben, we can offer HAPPC, KOSHER, HALAL Certificates, etc.
2, Is Foodchem a manufacturer or just a trading company?
Foodchem is both a manufacturer and trading company, we are Methyl Paraben Supplier, at the same time, we are a manufacturer of other products.
3, What is the Min Order Quantity of Methyl Paraben?
Different products have different MOQ, for Methyl Paraben, the MOQ is 500kg.
4, What is the price of Methyl Paraben?
Foodchem is a famous Methyl Paraben supplier and manufacturer in China and has been corporate with many Methyl Paraben suppliers for several years, we can provide you with cost-effective Methyl Paraben.
5, How long shall we wait for your reply?
We can guarantee to reply your inquiries of Methyl Paraben in less than 24 hours in working days.
6, What kinds of transportation types can you provide?
Our main transportation methods include air transportation, land transportation, and water transportation.
7, What kinds of payment terms can you accept?
The most commonly used payment terms are T/T, L/C, D/P, D/A, etc.
8, How long will I receive my good?
Foodchem has its own EDC warehouse in Shanghai when your purchase order has been confirmed, inventory products will deliver within 1 week, other products delivery in 2 weeks.