Sodium tetraborate (Boron fertilizer)
　　Other name：Disodium tetraborate decahydrate;Borax decahydrate
　　CAS No.: 1303-96-4    
　　EINECS No.: 215-540-4    
　　HS No.：2840190000
　　Molecular Formula: Na₂B₄O₇.10H₂O    
　　Molecular weight: 381.37
　　1. Appearance: Colorless transparent crystals or white clean powder，Odourless, taste salty
　　2. Specifications:
　　Quality standards：GB/T 537-2009

Item                      Index	Superior product	First grade
Na2B4O7•10H2O, wt%≥	99.5	95
Carbonate, wt%≤	0.1	0.2
Water insolubles , wt%≤	0.04	0.04
Sulfate（as SO4）, wt%≤	0.1	0.2
Chloride（as Cl）, wt%≤	0.03	0.05
Iron(Fe)，wt%≤	0.002	0.005

　　3 Packaging: Net wt 25kg in plastic bag lined plastic film woven bag, can also package according to customer request
　　4. Uses: Used as trace element fertilizer, etc
　　5. Storage: Stored in cool and ventilated, avoid light place
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