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| Compound | N-acetyl-L-aspartic acid | ||||
|---|---|---|---|---|---|
| CAS No. | 997-55-7 | Catalog No. | XMZX-W20591 | Brand | |
| Purity | 99% | Packing | 25kg/DRUMS | Grade | |
| Lead Time | 3Day (s) | Origin | Loading Port | ||
| Boiling Point | 425.3ºC at 760mmHg |
|---|---|
| Storage Condition | Store at 0ºC |
| Appearance & Physical State | White powder |
| Flash Point | 211ºC |
| Density | 1.422g/cm3 |
| Melting Point | 137-140ºC |
Chemical Properties Methylparaben occurs as colorless crystals or a white crystalline powder. It is odorless or almost odorless and has a slight burning taste.
Chemical Properties Methyl p-hydroxybenzoate is odorless or has a faint characteristic odor and a slight burning taste. Methyl p-hydroxybenzoate is more commonly known as methyl paraben and is an ester of p-hydroxybenzoic acid.
Occurrence Reported present in cloudberry, yellow passion fruit juice, white wine, botrytised wine and Bourbon vanilla.
Uses It is used as preservative in foods, beverages and cosmetics.
Uses As preservative in foods, beverages and cosmetics.
Uses parabens is one of the most commonly used group of preservatives in the cosmetic, pharmaceutical, and food industries. Parabens provide bacteriostatic and fungistatic activity against a diverse number of organisms, and are considered safe for use in cosmetics, particularly in light of their low sensitizing potential. An evaluation of preservatives for use in leave-on cosmetic preparations lists parabens among the least sensitizing. The range of concentrations used in cosmetics varies between 0.03 and 0.30 percent, depending on the conditions for use and the product to which the paraben is added.
Uses Methylparaben is an antimicrobial agent which is a white free-flowing powder. it is active against yeast and molds over a wide ph range. see parabens.
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