Boric Acid (Boron fertilizer)
　　Other name：Orthoboric acid; Boricacidhighpurity; Boricacidwhitextl; Boron acid
　　CAS No.: 10043-35-3;11113-50-1
　　EINECS No.: 233-139-2;234-343-4
　　HS No.：2810002000
　　CN No.:
　　Molecular Formula: H₃BO₃    
　　Molecular weight: 61.833
　　1. Appearance: White powder crystal or three oblique surface scaly crystallization with luster
　　2. Specifications:
　　Quality standards：GB/T 538-2006

Item                        Index	Superior product	First grade	Qualified product
H3BO3, wt%≥	99.6—100．8	99.4—100.8	99
Water insolubles , wt%≤	0.01	0.04	0.06
Sulfate （as SO4）, wt%≤	0.1	0.2	0.3
Chloride （as Cl）, wt%≤	0.05	0.1	0.15
Iron（Fe）, wt%≤	0.002	0.003	0.005
Ammonia, wt%≤	0.3	0.5	0.7
Heavy Metal(as Pb), wt% ≤	0.001	—	—

　　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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