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Magnesium hydroxide

Cas:
1309-42-8
MDL:
--MFCD00011104
Molecular Formula:
MgH2O2;Mg(OH)2
Molecular Weight:
58.32
Alias:
苛性镁石,轻烧镁砂 Magnesium hydrate Milk of magnesia Marinco H
Product order:
Name Specifications Packing Price Delivery
Magnesium hydroxide AR 1kg RMB 107.8 Consulting service
Character:
白色无定形粉末,溶于稀酸和铵盐溶液,当有水存在时,能吸收二氧化碳。几乎不溶于水(1:80000),不溶于醇,在水中呈微碱性。水浆状pH为9.5-10.5。有刺激性。
密度:2.36
熔点:350℃
Quality Standard:
   
   Q/(HG)SJ 286-91
项目Item                            分析纯   化学纯
                                              (AR)       (CP)
含量[Mg(OH)2]Assay,%                     ≥ 98.0       98.0
灼烧失重Ignition loss,%                     30.0~33.0  30.0~33.0
水溶物Soluble matter in hydrochloric acid   ≤ 0.5         --
盐酸不溶物lnsoluble in hydrochloric acid    ≤ 0.03       0.1
硝酸盐(NO3)Nitrate,%                        ≤ 0.005      0.05
氯化物(Cl)Chloride,%                        ≤ 0.02       0.05
碳酸盐Canbonate                                合格       合格
铁(Fe)Iron,%                                ≤ 0.002      0.01
钙(Ca)Calcium,%                             ≤ 0.05       0.1
重金属(以Pb计)Heavy metals,%                ≤ 0.005      0.01
Storage:
密封保存。
用途  糖的精炼,制药工业。
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