• 磷酸氫二鉀,無水 [7758-11-4]

  • 英文名:Potassium phosphate dibasic anhydrous
  • 別名:無水磷酸氫二鉀 無水磷酸氫鉀 磷酸二鉀 磷酸氫鉀
  • CAS號(hào):7758-11-4 分子式:HK2O4P 分子量:174.18
P63039-500g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.9% metals basis 500g 571.00 促銷價(jià):416.83
P63038-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.9% metals basis 100g 221.00 促銷價(jià):161.33
P63031-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.99% metals basis 500g 714.00 促銷價(jià):521.22
P63032-250g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.99% metals basis 2.5kg 2335.00 促銷價(jià):1704.55
P63034-500g 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 500g 100.00 促銷價(jià):65.00
P63033-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 100g 58.00 促銷價(jià):37.70
P63034-1kg 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 1kg 200.00 促銷價(jià):140.00
P63036-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, for HPLC,≥99.0%(T) 100g 600.00 促銷價(jià):438.00
P63033-25g 磷酸氫二鉀,無水 [7758-11-4] 無水, for HPLC,≥99.0%(T) 25g 257.00 促銷價(jià):187.61
訂貨編號(hào) 商品名稱 規(guī)格 包裝 單價(jià) 促銷價(jià) 會(huì)員價(jià) 數(shù)量
P63039-500g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.9% metals basis 500g 571.00 416.83 登錄可見
P63039-500g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.9% metals basis 500g 571.00 促銷價(jià):416.83
P63038-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.9% metals basis 100g 221.00 161.33 登錄可見
P63038-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.9% metals basis 100g 221.00 促銷價(jià):161.33
P63031-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.99% metals basis 500g 714.00 521.22 登錄可見
P63031-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.99% metals basis 500g 714.00 促銷價(jià):521.22
P63032-250g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.99% metals basis 2.5kg 2335.00 1704.55 登錄可見
P63032-250g 磷酸氫二鉀,無水 [7758-11-4] 無水, 99.99% metals basis 2.5kg 2335.00 促銷價(jià):1704.55
P63034-500g 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 500g 100.00 65.00 特價(jià)產(chǎn)品 登錄可見
P63034-500g 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 500g 100.00 促銷價(jià):65.00
P63033-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 100g 58.00 37.70 特價(jià)產(chǎn)品 登錄可見
P63033-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 100g 58.00 促銷價(jià):37.70
P63034-1kg 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 1kg 200.00 140.00 特價(jià)產(chǎn)品 登錄可見
P63034-1kg 磷酸氫二鉀,無水 [7758-11-4] 無水, AR,98% 1kg 200.00 促銷價(jià):140.00
P63036-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, for HPLC,≥99.0%(T) 100g 600.00 438.00 登錄可見
P63036-100g 磷酸氫二鉀,無水 [7758-11-4] 無水, for HPLC,≥99.0%(T) 100g 600.00 促銷價(jià):438.00
P63033-25g 磷酸氫二鉀,無水 [7758-11-4] 無水, for HPLC,≥99.0%(T) 25g 257.00 187.61 登錄可見
P63033-25g 磷酸氫二鉀,無水 [7758-11-4] 無水, for HPLC,≥99.0%(T) 25g 257.00 促銷價(jià):187.61
  •  訂貨編號(hào)
  •  商品名稱
  •  規(guī)格
  •  包裝
  •  單價(jià)
  •  促銷價(jià)
  •  會(huì)員價(jià)
  •  數(shù)量

化學(xué)性質(zhì)

白色結(jié)晶或無定形粉末。 易溶于水,水溶液呈微堿性。微溶于醇。 熔點(diǎn) 340 °C 密度 2,44 g/cm3 儲(chǔ)存條件 Store at RT. 溶解度 H2O: 1 M at 20 °C, clear, colorless 水溶解性 1600 g/L (20 ºC)

質(zhì)量標(biāo)準(zhǔn)

   

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(jí)
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(jí)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(jí)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


99.99% metals basis:


外觀Appearance                          White Powder and/or Chunks
X-射線衍射分析X-Ray Diffraction         Conforms to Structure
純度Purity                              ≥99.99% Based on Trace Metals Impurities
滴定純度Purity(Titration by HCL)      97.5- 102.5 %
ICP Major Analysis                      Confirms Potassium and Phosphorus Components
痕量金屬分析total metallic impurities   ≤200ppm by ICP Atomic emission

 

   

危險(xiǎn)性質(zhì)

危險(xiǎn)品標(biāo)志  Xi,C,T,F
危險(xiǎn)類別碼  36-35-22
WGK Germany  3
RTECS號(hào) TC8450000
F  3
安全說明  22-24/25-36-26-45-36/37/39
海關(guān)編碼  28352400

   

用途及存儲(chǔ)

  1. 用途  用于醫(yī)藥、發(fā)酵、細(xì)菌培養(yǎng)及制取焦磷酸鉀等
  2. 用途  作為飼料補(bǔ)磷添加劑。
  3. 用途  用作水質(zhì)處理劑,微生物、菌類培養(yǎng)劑等
  4. 用途  用作防凍劑的緩蝕劑、抗生素培養(yǎng)基的營養(yǎng)劑、發(fā)酵工業(yè)的磷鉀調(diào)節(jié)劑、飼料添加劑等
    密封干燥保存。