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Potassium citrate

Molecular Structure:
MDL:
Molecular Formula:
K3C6H5O7•H2O
Molecular Weight:
324.41
Alias:
枸橼酸钾,柠檬酸三钾,2-羟基-1,2,3-丙三羧酸三钾盐 Tripotassium citrate 2-Hydroxy-1,2,3-propanetricarboxylic acid tripotassium salt
Product order:
Name Specifications Packing Price Delivery
Potassium citrate AR 500g RMB 39.6 Consulting service
Potassium citrate CP 500g RMB 33 Consulting service
Potassium citrate 药用级 500g RMB 44 Consulting service
Character:
白色或无色结晶颗粒或粉末。无臭。味咸而凉。有吸湿性。180℃时失去结晶水。1g溶于0.65ml水,缓溶于2.5ml甘油,不溶于乙醇。水溶液对石蕊呈碱性,pH约8.5。半数致死量(狗,静脉)167mg/kg。
密度:1.98
熔点:230℃
Quality Standard:
GB/T3-1297-80
项目ltem                                 分析纯        化学纯
                                          (AR)         (CP)
含量(K3C6H5O7•H2O),%                   ≥ 99.5          99.0(GC/titration)
水溶液反应Water solution reaction         合格          合格
澄清度试验Clarity                         合格          合格
水不溶物lnsoluble matter in water,%    ≤ 0.005         0.01
氯化合物(以Cl计)Chloride               ≤ 0.005         0.01
硫酸盐(SO4)Sulfale,%                   ≤ 0.005         0.01
磷化合物(以PO4计)Phosphorus compounds,%≤ 0.015         0.03
钠(Na)Sodium,%                         ≤ 0.1           0.2
铁(Fe)Iron,%                           ≤ 0.0005        0.001
钙(Ca)Calcium,%                        ≤ 0.02          0.04
重金属(以Pb计)Heavy metals,%           ≤ 0.0005        0.001
Storage:
密封保存。
分析试剂。配制缓冲溶液。镀金。
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