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Potassium acetate

Cas:
127-08-2
Molecular Structure:
MDL:
--MFCD00012458
Molecular Formula:
C2H3KO2; CH3COOK
Molecular Weight:
98.14
Alias:
醋酸鉀 Acetic acid, potassium salt
Product order:
Name Specifications Packing Price Delivery
Potassium acetate USP 500g RMB 107.8 Consulting service
Potassium acetate 用于分子生物學(xué), ≥99.0% 1kg RMB 748 Consulting service
Potassium acetate 用于分子生物學(xué), ≥99.0% 500g RMB 514.8 Consulting service
Potassium acetate 用于分子生物學(xué), ≥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:
無色結(jié)晶或白色結(jié)晶性粉末。易吸濕。易溶于水和乙醇(1g溶于0.5ml水、0.2ml沸水、2.9ml乙醇)。水溶液對石蕊呈堿性反應(yīng)。0.1mol/L水溶液的pH為9.7。低毒,半數(shù)致死量(大鼠,經(jīng)口)3250mg/kg。
密度:1.57
熔點(diǎn):292℃
Quality Standard:
   
   Q/(HG)SJ 701-95
項(xiàng) 目Item                                   分析純       化學(xué)純
                       (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   
澄清度試驗(yàn)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
硫酸鹽(SO4)Sulfale,%                      ≤0.002           0.005
磷酸鹽(PO4)Phosphate                       ≤0.002           0.005
鈉(Na)Sodium,%                            ≤0.02            0.01
鈣(Ca)Calcium,%                           ≤0.005           0.005
鎂(Mg)Magnesium,%                         ≤0.0005          0.001
鐵(Fe)lron,%                              ≤0.0005          0.001
重金屬(以Pb計(jì))Heavy metals,%               ≤0.0005          0.001
還原高錳酸鉀物質(zhì)Potassium pemanganate           合格        合格
reduxing substancees


ACS級
項(xiàng)目名稱                                    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%
磷酸鹽(PO4)Phosphate                          ≤0.001%
硫酸鹽(SO4)Sulfate                            ≤0.002%
重金屬(以Pb計(jì))Heavy metals(as Pb)             ≤5ppm
鐵(Fe)Iron                                    ≤5ppm
鈣(Ca)Calcium                                 ≤0.005%
鎂(Mg)Magnesium                               ≤0.002%
鈉(Na)Sodium                                  ≤0.03%

品級Grade                               分子生物學(xué)級  
                                  (for molecular biology, ≥99.0%)
外觀Appearance                         白色粉末
純度Purity                              ≥99.0% (高氯酸滴定)  
干燥損失Loss on Drying                  ≤2 %
氯Chloride                              ≤ 0.003%
重金屬Heavy Metals(As lead)             ≤ 5 ppm
鐵Iron (Fe)                             ≤5 ppm
水溶解試驗(yàn)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


品級Grade                               美國藥典級  
                                  (meets USP testing specifications)
鑒別試驗(yàn)IDENTITY                        PASS
PH TEST                                 7.5 ~ 8.5 (5% Solution)
干燥損失Loss on Drying                  ≤ 1.0%
重金屬Heavy Metals                      ≤ 0.002%
鈉Sodium                                ≤ 0.03%
含量ASSAY                               99.0% T~ 100.5% (Dry basis)

Storage:
密封干燥保存。
用途  檢定酒石酸,干燥劑,調(diào)節(jié)pH值,制造透明玻璃。
醫(yī)藥工業(yè)中作為青霉菌培養(yǎng)基,在可的松醋酸酯、氫化潑尼樺醋酸酯、地塞米松醋酸酯、倍他美松、膚輕松醋酸酯等生產(chǎn)中,都要用乙酸鉀作原料。
 
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