MDL：
--MFCD00011383

Molecular Formula：
K2HPO4

Molecular Weight：
174.18

Alias：
Potassium phosphate dibasic Dipotassium hydrogen phosphate Potassium phosphate

Product order：

Name	Specifications	Packing	Price	Delivery
Potassium phosphate dibasic anhydrous	AR	500g	RMB 80.3	Consulting service
Potassium phosphate dibasic anhydrous	CP	500g	RMB 71.5	Consulting service
Potassium phosphate dibasic anhydrous	GR	500g	RMB 93.5	Consulting service
Potassium phosphate dibasic anhydrous	SP	25g	RMB 118.8	Consulting service
Potassium phosphate dibasic anhydrous	4N	25g	RMB 118.8	Consulting service
Potassium phosphate dibasic anhydrous	ACS	500g	RMB 97.9	Consulting service
Potassium phosphate dibasic anhydrous	USP, EP, BP	500g	RMB 588.5	Consulting service
Potassium phosphate dibasic anhydrous	HPLC, ≥99.0% (T)	250g	RMB 2032.8	現(xiàn)貨
Potassium phosphate dibasic anhydrous	HPLC, ≥99.0% (T)	100g	RMB 911.9	現(xiàn)貨
Potassium phosphate dibasic anhydrous	分子生物學(xué)，≥99.0% (T)	1Kg	RMB 2043.8	Consulting service
Potassium phosphate dibasic anhydrous	分子生物學(xué)，≥99.0% (T)	250g	RMB 638	現(xiàn)貨
Potassium phosphate dibasic anhydrous	AR	10Kg	RMB 1383.8	Consulting service

Character：
白色顆?；蚪Y(jié)晶性粉末。對濕敏感。灼燒后成焦磷酸鹽。易溶于水，溶液呈堿性，微溶于乙醇。

Quality Standard：
項(xiàng)目                                           分析純
                                                 AR
含量                                           ≥99.0%
PH(50g/L,25℃)                                 8.9-9.4
澄清度試驗(yàn)                                      合格
水不溶物                                       ≤0.02%
氯化物(Cl)                                     ≤0.004%
硫酸鹽(SO4)                                   ≤0.03%
硝酸鹽(NO3)                                   ≤0.002%
鈉(Na)                                         ≤0.05%
鎂(Mg)                                         ≤0.002%
鐵(Fe)                                         ≤0.003%
砷(As)                                         ≤0.0005%
重金屬(以Pb計(jì))                                 ≤0.0052%
      

ACS級
項(xiàng)目名稱　                                     ACS Grade
含量(K2HPO4)Assay                              ≥98.0%
水不溶物Insoluble matter                       ≤0.01%
干燥失重Loss on drying                         ≤1.0%
氯化物(Cl)Chloride                             ≤0.003%
含氮化合物(以N計(jì))Nitrogen compounds(as N)      ≤0.001%
硫酸鹽(SO4)Sulfate                             ≤0.005%
重金屬(以Pb計(jì))Heavy metals                     ≤5ppm
鐵(Fe)Iron                                     ≤0.001%
鈉(Na)Sodium                                   ≤0.05%

品級Grade                               用于分子生物學(xué)  
                               (for molecular biology, ≥99.0% (T))
外觀Appearance                          白色粉末或結(jié)晶
純度Purity                              99.0 - 101.0 % （Titration by HCL）
Aluminum (Al)                           ≤5.0 ppm
Bismuth (Bi)                            ≤5.0 ppm
Barium (Ba)                             ≤5.0 ppm
Cadmium (Cd)                            ≤5.0 ppm
Calcium (Ca)                            ≤10.0 ppm
Cobalt (Co)                             ≤5.0 ppm
Chromium (Cr)                           ≤5.0 ppm
Copper (Cu)                             ≤5.0 ppm
Iron (Fe)                               ≤5.0 ppm
Lithium (Li)                            ≤5.0 ppm
Magnesium (Mg)                          ≤5.0 ppm
Manganese (Mn)                          ≤5.0 ppm
Molybdenum (Mo)                         ≤5.0 ppm
Sodium (Na)                             ≤5000.0 ppm
Nickel (Ni)                             ≤5.0 ppm
Lead (Pb)                               ≤5.0 ppm
Strontium (Sr)                          ≤5.0 ppm
Zinc (Zn)                               ≤5.0 ppm
Arsenic (As)                            ≤0.1 ppm
Chloride (CL)                           ≤50.0 ppm
Sulfate                                 ≤50.0 ppm
DNAse, RNAse, Protease, Phosphatase     None Detected
灼燒殘?jiān)黂esidue on ignition             None Detected
pH                                      8.7 - 9.3
                                        C=1M, H2O at 25 °C
λ 1 M in H2O
UV absorption
  λ: 260 nm A:                          ≤0.20
  λ: 280 nm A:                          ≤0.15
水溶解試驗(yàn)solubility in water          Clear Colorless ，5.225g/30ml (1M), H2O

品級Grade                               色譜純  
                                      (grade for HPLC )
外觀Appearance                          白色粉末或結(jié)晶
純度Purity                              ≥99.0% (T)
pH                                      8.7-9.3 (20 °C, 10% in H2O)
水溶行solubility H2O:                   soluble0.1 g/mL at 25 °C, clear, colorless
λ 10 % in H2O
UV absorption
  λ: 230 nm A:                          ≤0.1
  λ: 240 nm A:                          ≤0.09
  λ: 250 nm A:                          ≤0.08
  λ: 310 nm A:                          ≤0.03
  λ: 500 nm A:                          ≤0.02
RP gradient test                        Pass
filter test                             Pass

Storage：
密封干燥保存。
用途  分析試劑。緩沖劑。制藥。