Sodium Methylparaben (C8H7NaO3, Purity: >98%, APS:40-60µm)

Sodium Methylparaben

Product: Sodium Methylparaben (C8H7NaO3, Purity: >98%, APS:40-60µm)

Quality Control: Each lot of Sodium Methylparaben was tested successfully.

Sodium Methylparaben

Particles Size Analysis – Sodium Methylparaben

Product Sodium Methylparaben
Stock No. NS6130-12-000096
CAS 5026-62-0 Confirm
APS 40-60µm Confirm
Purity >98% Confirm
Molecular Formula C8H7NaO3 Confirm
Molar Mass 174.13 g·mol-1 Confirm
Appearance White crystalline powder Confirm
pH 9.5-10.5 (0.1% water solution) Confirm
Melting point 70-71°C Confirm
Solubility Soluble in cold water
Shelf Life 36 months period
Main Inspect Verifier Manager QC

Typical Chemical Analysis

Sulfate >98%
Heavy Metals (Pb) ≤ 10ppm
Arsenic ≤ 1.0ppm
All Other Metal < 50ppm

 Experts Review:

101Dr. jim Duncan, Ph.D (Norwegian University of Science and Technology Trondheim, Norway)
Clay minerals are typically formed by the gradual chemical weathering of rocks, usually silicate-bearing, by low concentrations of carbonic acid and other diluted solvents. Since ancient times, clay minerals have been investigated because of their importance in agriculture, ceramics, building and other uses.


102Dr. Mauritz Backman, Ph.D (Technical University of Lisbon (UTL), Portugal)
Clays are hydrous alumino-silicates broadly defined as those minerals that make up the colloid fraction of soils, sediments, rocks, and water and may be composed of mixtures of fine grained clay minerals and clay-sized crystals of other minerals such as quartz, carbonate, and metal oxides. Clays play an important role in the environment by acting as a natural scavenger of pollutants by taking up cations and anions either through ion exchange or adsorption or both. Thus, clays invariably contain exchangeable cations and anions held to the surface.


103Dr. Lounis Madani (University of Abou Bekr Belkaïd, Algeria)
Clays are act as excellent adsorbant materials due to Large specific surface area, chemical and mechanical stability, layered structure, and high cation exchange capacity (CEC). Clays and modified clays have been found particularly useful for adsorption of heavy metals.


104Dr. Eric Lin, Ph.D (Sukhothai Thammathirat Open University (STOU) Nonthaburi,Thailand)
Different minerals clays have been used as fillers for preparing hydrogel composites, including Kaolinite, Bentonite, Montmorillonite. Clay is one of the oldest building materials on Earth, among the naturally-occurring geologic materials such as stone and organic materials like wood. Clay is used to create adobe, cob, cordwood, and rammed earth structures and building elements such as wattle and daub, clay plaster, clay renderd, clay paints and ceramic building materials.


105Dr. Robert Wing, Jr. (University of British Columbia, Canada)
Due to their specific properties, e.g., high capillarity, unique rheological properties, hardening, plasticity, thixotropy, high degree of swelling, clays are widely used in various industries. Because of their excellent colloidal properties clays are often used as drilling fluids for oil and gas wells as well as other boreholes to lubricate and cool the cutting tools, to remove cuttings, and help prevent blowouts. One of the important properties of clays is adsorption and ability to interact with the metal ions from the surrounding environment.


Sodium Methylparaben

Sodium Methylparaben

 


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