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Potassium acetate

Cas:
127-08-2
Molecular Structure:
MDL:
--MFCD00012458
Molecular Formula:
C2H3KO2; CH3COOK
Molecular Weight:
98.14
Alias:
醋酸钾 Acetic acid, potassium salt
Product order:
Name Specifications Packing Price Delivery
Potassium acetate USP 500g RMB 107.8 Consulting service
Potassium acetate 用于分子生物学, ≥99.0% 1kg RMB 748 Consulting service
Potassium acetate 用于分子生物学, ≥99.0% 500g RMB 514.8 Consulting service
Potassium acetate 用于分子生物学, ≥99.0% 100g RMB 250.8 Consulting service
Potassium acetate ACS 500g RMB 140.8 Consulting service
Potassium acetate AR 500g  RMB 63.8 Consulting service
Character:
无色结晶或白色结晶性粉末。易吸湿。易溶于水和乙醇(1g溶于0.5ml水、0.2ml沸水、2.9ml乙醇)。水溶液对石蕊呈碱性反应。0.1mol/L水溶液的pH为9.7。低毒,半数致死量(大鼠,经口)3250mg/kg。
密度:1.57
熔点:292℃
Quality Standard:
   
   Q/(HG)SJ 701-95
项 目Item                                   分析纯       化学纯
                       (AR)       (CP)
含 量(C2H3KO3)Assay,%                      ≥92.0            85.0
pH(100g/L,25℃)pH of water solution       7.0~9.0        7.0~9.0   
澄清度试验Clarity                               合格       合格
水不溶物lnsoluble matter in water,%         ≥0.005           0.01
氯化物(Cl)Chloride,%                      ≤0.002           0.005
硫酸盐(SO4)Sulfale,%                      ≤0.002           0.005
磷酸盐(PO4)Phosphate                       ≤0.002           0.005
钠(Na)Sodium,%                            ≤0.02            0.01
钙(Ca)Calcium,%                           ≤0.005           0.005
镁(Mg)Magnesium,%                         ≤0.0005          0.001
铁(Fe)lron,%                              ≤0.0005          0.001
重金属(以Pb计)Heavy metals,%               ≤0.0005          0.001
还原高锰酸钾物质Potassium pemanganate           合格        合格
reduxing substancees


ACS级
项目名称                                    ACS Grade
含量Assay                                     ≥99.0%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃ 6.5-9.0
水不溶物Insoluble matter                      ≤0.005%
氯化物(Cl)Chloride                            ≤0.003%
磷酸盐(PO4)Phosphate                          ≤0.001%
硫酸盐(SO4)Sulfate                            ≤0.002%
重金属(以Pb计)Heavy metals(as Pb)             ≤5ppm
铁(Fe)Iron                                    ≤5ppm
钙(Ca)Calcium                                 ≤0.005%
镁(Mg)Magnesium                               ≤0.002%
钠(Na)Sodium                                  ≤0.03%

品级Grade                               分子生物学级  
                                  (for molecular biology, ≥99.0%)
外观Appearance                         白色粉末
纯度Purity                              ≥99.0% (高氯酸滴定)  
干燥损失Loss on Drying                  ≤2 %
氯Chloride                              ≤ 0.003%
重金属Heavy Metals(As lead)             ≤ 5 ppm
铁Iron (Fe)                             ≤5 ppm
水溶解试验solubility in water           Clear ,20 g + 200 ml
DNAse, Exonuclease Detection            None Detected
NICKase,Endonuclease Detection          None Detected
RNAse Detection                         None Detected
Protease by FITC-Casein                 None Detected


品级Grade                               美国药典级  
                                  (meets USP testing specifications)
鉴别试验IDENTITY                        PASS
PH TEST                                 7.5 ~ 8.5 (5% Solution)
干燥损失Loss on Drying                  ≤ 1.0%
重金属Heavy Metals                      ≤ 0.002%
钠Sodium                                ≤ 0.03%
含量ASSAY                               99.0% T~ 100.5% (Dry basis)

Storage:
密封干燥保存。
用途  检定酒石酸,干燥剂,调节pH值,制造透明玻璃。
医药工业中作为青霉菌培养基,在可的松醋酸酯、氢化泼尼桦醋酸酯、地塞米松醋酸酯、倍他美松、肤轻松醋酸酯等生产中,都要用乙酸钾作原料。
 
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