hot borax pentahydrate 1.CAS:1303-96-4 2.Large quantity 3.Free sample 4.manufacturer hot borax pentahydrate 99.5CAS:1303-96-4Molecular Formula:Na2B4O7.10H2OMolecular Weight:381.37Melting point: 320°CBoiling point:1575°CHS Code:25281000.00borax B2O3.10H2O 99.5Standard execute:GB/T537-1997 Specification Item Excellent grade Index Disodium terabrate decahydrate (Na 2 B 4 O 7 .10H 2 O) 99.5%min 95% ...