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硫酸氢钾
Cas号:7646-93-7
分子式:KHSO4 分子量:136.17
别名:酸式硫酸钾;焦硫酸钾
订货信息
产品编号 名称 规格 包装 售价(RMB) 促销价(RMB) 库存量 数量 在线订购
120585 硫酸氢钾 CP 500g 36 >20 立即订购
120586 硫酸氢钾 AR 500g 49 >20 立即订购
化学性质
质量标准
危险性质
用途及储存
化学性质
白色片状或粒状结晶。易潮解。溶于水,溶液呈强酸性。熔点210℃。温度再高即失水变为焦硫酸钾。防潮、密封保存。在乙醇中分解。高温时失去水分并易成为焦硫酸盐。溶于1.8份冷水、0.85份沸水。
质量标准
项目ltem                                                                              分析纯                                    化学纯
(AR)                                         (CP)
含量(KHSO4)Assay,%                                                       ≥ 99.0~101.0                       99.0~101.0
澄清度试验Clarity                                                                    合格                                         合格
水不溶物lnsoluble matter in water,%                                      ≤ 0.002                                  0.005
氯化物(Cl)Chloride,%                                                               ≤ 0.0005                                0.002
氮化合物(N)Nitrogen compounds,%                                       ≤ 0.002                                 0.005
磷酸盐(PO4)Phosphate,%                                                       ≤ 0.001                                 0.002
硅酸盐(SiO3)Silicate,%                                                             ≤ 0.001                                 0.005
铝(Al)Alumium,%                                                                       ≤ 0.001                                 0.005
钙(Ca)Calcium,%                                                                        ≤ 0.002                                 0.005
铁(Fe)Iron,%                                                                               ≤ 0.0005                               0.002
砷(As)Arsenic,%                                                                          ≤ 0.0003                              0.0005
重金属(以Pb计)Heavy metals,%                                                 ≤ 0.0005                              0.002
钠(Na)Sodium,%                                                                          ≤ 0.02                                   0.05
镁(Mg)Magnesium,%                                                                   ≤ 0.0005                              0.002
危险性质
危险品标志                          C

危险类别码                          34-37

安全说明                              26-36/37/39-45

危险品运输编号                  UN 2509 8/PG 2

WGK Germany                   1

RTECS                                 TS7200000

F                                            3

HazardClass                      8

PackingGroup                    II
用途
用作食物防腐剂、化学试剂等

用作分析试剂、防腐剂、分析硅时用作熔剂
存储方式
密封保存
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