Hydroxytyrosol, alias 3,4-dihydroxyphenyl ethanol, molecular formula C8H10O3, is a natural polyphenol compound with strong antioxidant activity, mainly in the form of esters in olive fruits and leaves. Hydroxytyrosol can also be derived from olive oil and wastewater from olive oil processing, and has a variety of biological and pharmacological activities. Hydroxytyrosol has a safe and

Olin was conducting a turnaround at its 748,000 mt/year ethylene dichloride plant in Freeport, Texas, a source familiar with company operations said. The turnaround was expected to reduce EDC oversupply when prices have been under pressure amid seasonally high chlor-alkali rates, market sources said. Olin, the world’s largest chlor-alkali producer, did not respond to an inquiry

Protocatechuic acid (PCA), also named 3,4-dihydroxybenzoic acid. It exists in the leaves of Euphorbiaceae ferns, llex and other plants, and it has antimicrobial effect. Protocatechuic acid has a density of 1.54g/cm3 and a melting point of about 200 C. It is soluble in hot water, ethanol, ether, acetone and ethyl acetate, slightly soluble in cold

The global refined zinc market was in a 305,000 mt deficit of metal for the first nine months of 2018, while total inventories fell by 64,000 mt over the period, according to preliminary data compiled by the International Lead and Zinc Study Group released Wednesday. ILZSG noted that Chinese trade data for the months through

Malaysia has slapped provisional antidumping duties of 3.33% to 16.13% on galvanized iron imports from China and Vietnam, effective November 8 for about 120 days, the Ministry of International Trade and Industry said Thursday. The Malaysian government “…found that there are sufficient evidences to continue further with the investigation on the importation of galvanized iron

The global primary aluminum market “is moving towards a deficit in 2018, and larger than earlier forecast, driven by slower-than-expected supply growth,” Norwegian producer Hydro said Wednesday in its third-quarter results statement. Production outside China is expected to increase by 1%-2% in 2018, the company said, adding that while production of primary aluminum in China

Protocatechuic acid (PCA), also named 3,4-dihydroxybenzoic acid. It exists in the leaves of Euphorbiaceae ferns, llex and other plants, and it has antimicrobial effect. Protocatechuic acid has a density of 1.54g/cm3 and a melting point of about 200 C. It is soluble in hot water, ethanol, ether, acetone and ethyl acetate, slightly soluble in cold

Protocatechuic acid exists in many vegetables and fruits in nature, and is an effective active ingredient in many traditional Chinese medicines (such as Salvia miltiorrhiza, Hibiscus, etc.). Protocatechuic acid is a water-soluble phenolic acid component and active substance of many traditional Chinese medicines. It not only has pharmacological activities such as anti-platelet agglutination, reducing myocardial

Dihydrocaffeic Acid,which also named 3,4-dihydroxyphenylpropionic acid, is a white crystalline powder, soluble in methanol, ethanol, DMSO and other organic solvents, and comes from Eucommia ulmoides, Salvia miltiorrhiza, artichoke, Atractylodes macrocephala, Glechoma longituba, and has strong antioxidant activity. There was a study which published in the Journal Nature Communications, in which scientists described an extensive analysis

P-hydroxyacetone, which also called 4′-Hydroxyacetophenone in English, and commonly known as fir phenol, it would be White acicular crystals, combustible and easy to dissolve in hot water when it is at room temperature. It is a natural plant extract, which exists in the stems and leaves of Artemisia annua, Artemisia annua, Rhizoma Scopariae and the roots of Ginseng