Borax decahydrate
Molecular Formula: Na2B4O7.10H2O
Molecular weight: 381.36

Properties: White powder crystal, specific weight 1.69-1.73, hardness 2-2.5. It is soluble in water, in soluble in alcohol and the solution indicating wealk baicity. When heated to 350 -4.00oC, it loses the crystal water and changes into waterless borax, which feature sterilizing. It will do harm to one's health taking orally.

Uses: An important material for glass, enamel, ceramics, nonferrous mental, metallurgical industry, etc. It can be used as a micro-element manure and disinfectant in agriculture, and it is also widely used in pharmaceutical industry. Borax is also a basic raw material for boride and high energy boron hyduide fuel.
Here is the specification in details:
Boric Acid
CAS No.: 10043-35-3
Molecular formula: H3BO3
Molecular weight: 61.83
Melting point: 169C
Purity(BORIC ACID), % ≥ 99.5
B2O3: 56.5% min
NH3% ≤ 0.5
Water insoluble matter, % ≤ 0.02
Sulphate as SO4, % ≤ 0.15
Chloride as Cl, % ≤ 0.05
Fe, % ≤ 0.002

Borax Deca Hydrate
CAS No.: 1303-96-4
Molecular formula: Na2B4O7.10H2O
Molecular weight: 381.37
Boiling point: 1575C
Melting point: 320C
Purity(Na2B4O7*10H2O), % ≥ 99.5
CO2, % ≤ 0.1
Water insoluble matter, % ≤ 0.04
Sulphate as SO4, % ≤ 0.1
Chloride as Cl, % ≤ 0.03
Fe, % ≤ 0.002

Packing: Packed in woven plastic bags lined with plastic bags of 25KG net each