China High Quality 5-Methyl Furfural Suppliers - Propyl Paraben | 94-13-3 – COLORKEM
China High Quality 5-Methyl Furfural Suppliers - Propyl Paraben | 94-13-3 – COLORKEM Detail:
Products Description
This article is about this particular compound. For the class of hydroxybenzoate esters, including discussion on possible health effects, see paraben
Propylparaben, the n-propyl ester of p-hydroxybenzoic acid, occurs as a natural substance found in many plants and some insects, although it is manufactured synthetically for use in cosmetics, pharmaceuticals and foods. It is a preservative typically found in many water-based cosmetics, such as creams, lotions, shampoos and bath products. As a food additive, it has the E number E216.
Sodium propyl p-hydroxybenzoate, the sodium salt of propylparaben, a compound with formula Na(C3H7(C6H4COO)O), is also used similarly as a food additive and as an anti-fungal preservation agent. Its E number is E217.Propyl ParabenCas No.:94-13-3Standard:USP28Assay:99.0~100.5%Colorless crystals or white crystalline powder ,freely soluble in alcohol and ether,but very slightly soluble in water.Propylparaben, the propyl ester of p-hydroxybenzoic acid, occurs as a natural substancefound in many plants and some insects, although it is manufactured synthetically for use in cosmetics, pharmaceuticals and foods. It is a preservative typically found in many water-based cosmetics, such as creams and lotions and some bath products.
Specification
| ITEM | SPECIFICATIONS |
| Characters | White crystalline powder |
| Purity (on dry base) % | 98.0-102.0 |
| Acidity (PH) | 4.0-7.0 |
| Melting point (°C) | 96-99 |
| Sulfate (SO42-) | =<300 ppm |
| Residue on Ignition (%) | =<0.10 |
| Completeness of solution | Clear and transparent |
| Organic volatile impurities | =<0.5 |
| Loss on Drying (%) | =<0.5 |
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By Sabrina from Ecuador - 2018.06.12 16:22
The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
By Eartha from USA - 2018.09.23 18:44
