Barium hydroxide octahydrate
　　Other name：Barium hydroxide 8H2O; Barium hydroxide,8-Hydrate; barium dihydroxide; barium(+2) cation hydroxide octahydrate; barium(+2) cation octahydrate
　　CAS No.: 12230-71-6
　　EINECS No.: 241-234-5
　　UN No.: 1564   
　　CN No.: 61021
　　HS No.: 2816400000
　　Molecular Formula: Ba(OH)₂·8H₂O
　　Molecular weight：315.4669
　　1. Appearance: whiteness crystal,
　　2. Specifications:
　　2.1 Barium hydroxide octahydrate Industry Grade
　　Quality standards：HG/T 2566-2006

Index Item	Superior product	First grade	Qualified product
Assay[as Ba(OH)2•8H2O）]，wt% ≥	98.0	97.0	95.0
Barium Carbonate，wt % ≤	1.0	1.0	1.5
Chloride（as Cl-），wt % ≤	0.05	0.05	0.30
Iron（Fe）, wt%≤	0.003	0.006	0.010
Insoluble Matter in HCL, wt%≤	0.03	0.05	一
Non-sediment in H2SO4，wt % ≤	0.2	0.5	一
Iodine Reduction Matter（as S），wt % ≤	0.05	0.10	一
Hydroxide Strontium[as Sr(OH)2.8H2O] ，wt % ≤	2.5	3.0	一

　　2.2.Barium hydroxide octahydrat high purity
　　Quality standards：

Index Item	Excellent product	Superior product	First grade	Qualified product
Assay（as Ba(OH)2•8H2O），wt% ≥	98.0	97.0	96.0	95.0
Barium Carbonate，wt % ≤	1.0	1.5	2.0	2.0
Insoluble Matter in HCL, wt%≤	0.005	0.01	0.05	0.05
Non-sediment in H2SO4，wt % ≤	0.02	0.05	0.05	0.05
Calcium（Ca）, wt%≤	0.02	0.05	0.05	0.05
Iron（Fe）, wt%≤	0.002	0.005	0.005	0.005
Strontium（Sr）, wt%≤	0.001	0.003	0.005	0.005
lead（Pb）, wt%≤	0.005	0.01	0.05	一
Sodium(Na)，wt % ≤	0.002	一	一	一
Chloride（as Cl-），wt % ≤	0.01	0.03	0.05	一
Sulfate and sulfide（as S），wt % ≤	0.001	0.002	0.005	一

　　3. Packaging: Net 25 kg in plastic lined woven bag, can also package according to customer request
　　4. Uses: Widely used in as superfinished multi-purpose additive for the lubricant of internal-combustion engine and for barium-based grease and oil. It can also be used for beet sugar, medicine, plastic, rayon, demineralization of water , etc.
　　5. Storage: Stored in cool and ventilated, avoid wet and light place
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