Product Name: Sodium metaborate (Tetrahydrate) Factory Supply Model NO.: Sodium metaborate (Tetrahydrate) Grade Standard: Industrial Grade Appearance: Granular Type: Sodium Sulfate Purity: ?99% Certification: ISO Colour: White Name: Sodium metaborate (Tetrahydrate) Trademark: aqua Transport Package: Drum Specification: 90% Origin: China Product Description Sodium metaborate TetrahydrateTechnical InformationMolecular Formula: NaBO2.4H2OMolecular Weight: 137.86CAS No: 10555-76-7Product PropertiesStandard SpecificationsContents, %≥98.0Bulk Density , g/L1650-1800pH9.5~10.5Ferric , %≤ 0.002Melting point57°AppearanceWhite granular, free flowingPacking25KG/700kg PP-PE BagApplications:it is used for photographic chemicals,textile processing,adhesive,detergent,antiseptic,flame retardamt. chemical way to produce sodium perborate and carbonate to get Borax, in the agriculture , it is used to be weedkillernameSodium metaborate (Tetrahydrate)