Environmental Pollution

I read a piece of news recently. It says that in Japan marly businessmen ave selling fresh air to customers.and now it is becoming more...

The information of Sodium hyaluronate (CAS 9067-32-7)

Information: NAME Sodium hyaluronate (HA) CAS NO. 9067-32-7 MF (C14H20NO11Na) n MW (401.3) n Hazard Status None-dangerous chemical   Chemical properties: Appearance white powder PH 6.0-7.5 Transparency ≥99.0% Loss on drying ≤10.0% Limiting viscosity 17.3 to 27.2 dL/g Protein...

The information of (Perfluorohex-1-yl)ethane

1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorooctane Synonyms 1,1,1,2,2-Pentahydroperfluorooctane; AC 6000; HFC 76-13; HFC 76-13sf Molecular Structure Molecular Formula C8H5F13 Molecular Weight 348.10 InChI InChI=1/C8H5F13/c1-2-3(9,10)4(11,12)5(13,14)6(15,16)7(17,18)8(19,20)21/h2H2,1H3 Pharma intermediates or pharmaceutical formulation intermediates is...