1,4-哌嗪二乙磺酸|5625-37-6|哌嗪-N,N'-二(2-乙磺酸)，哌嗪-1,4-二乙磺酸|艾科试剂

货号	品名	产品规格	包装	单价(RMB)	可用库存	备注
129188	1,4-哌嗪二乙磺酸	99.5%	25g	126.00	>10
129187	1,4-哌嗪二乙磺酸	99.5%	100g	316.00	>10
129186	1,4-哌嗪二乙磺酸	99.5%	500g	2783.00	>10
129185	1,4-哌嗪二乙磺酸	for cell culture, ≥99%	25g	278.00	>10
129184	1,4-哌嗪二乙磺酸	for cell culture, ≥99%	100g	895.00	>10
129183	1,4-哌嗪二乙磺酸	for cell culture, ≥99%	500g	3190.00	>10
129182	1,4-哌嗪二乙磺酸	for molecular biology,≥99.5% (T)	50g	1593.00	>10
129181	1,4-哌嗪二乙磺酸	for molecular biology,≥99.5% (T)	250g	5991.00	>10
129180	1,4-哌嗪二乙磺酸	99%	25g	68.00	>10	促销
129179	1,4-哌嗪二乙磺酸	99%	100g	124.00	>10	促销
129178	1,4-哌嗪二乙磺酸	99%	500g	456.00	>10	促销

性状

白色粉末。
pH range 6.1 - 7.5
pKa (25 °C) 6.8
熔点：＞300℃

质量标准

99%：

外观Appearance                          white crystalline powder
红外光谱Infrared spectrometry           Conforms to Structure
纯度Purity(by sulfuric acid titration)  ≥99.0%
UV absorbance                           ≤0.1 at 290nm (20%w/w in 1N NaOH)
水分Water (by Karl Fischer)             ≤3%
重金属heavy metals (as lead)            ≤ 5ppm
溶解性solubility                        clear colorless solution at 20g plus 80ml of 1N NaOH

99.5%,超纯级:

灼烧残渣Residue on ignition               ≤0.2% (as SO4)
loss on drying, 110 °C                   ≤0.2%
useful pH range                           6.1 - 7.5
pKa (25 °C)                              6.8
碱溶性solubility 0.1 M NaOH:              soluble0.1 M at 20 °C, clear, colorless
anion traces
氯chloride (Cl-):                        ≤200 ppm
硫酸根离子sulfate (SO42-):               ≤50 ppm
cation traces Al:                        ≤5 ppm
  As:                                    ≤0.1 ppm
  Ba:                                    ≤5 ppm
  Bi:                                    ≤5 ppm
  Ca:                                    ≤10 ppm
  Cd:                                    ≤5 ppm
  Co:                                    ≤5 ppm
  Cr:                                    ≤5 ppm
  Cu:                                    ≤5 ppm
  Fe:                                    ≤5 ppm
  K:                                     ≤50 ppm
  Li:                                    ≤5 ppm
  Mg:                                    ≤5 ppm
  Mn:                                    ≤5 ppm
  Mo:                                    ≤5 ppm
  Na:                                    ≤100 ppm
  Ni:                                    ≤5 ppm
  Pb:                                    ≤5 ppm
  Sr:                                    ≤5 ppm
  Zn:                                    ≤5 ppm
λ                                   0.1 M in 1 M NaOH
UV absorption λ: 260 nm A:              ≤0.055
  λ: 280 nm A:                          ≤0.040

品级Grade                               细胞培养级
                                (for cell culture, ≥99%)
外观Appearance                          white crystalline powder
红外光谱Infrared spectrometry           Conforms to Structure
纯度Purity(by sulfuric acid titration)  ≥99.0%
UV absorbance                           ≤0.1 at 290nm (20%w/w in 1N NaOH)
水分Water (by Karl Fischer)             ≤3%
重金属heavy metals (as lead)            ≤ 5ppm
溶解性solubility                        clear colorless solution at 20g plus 80ml of 1N NaOH
RNASE, DNASE, NICKASE AND PROTEASE      none detected
内毒素endotoxin assay                   NMT 0.1 EU/MG
标准平板细菌计数standard plate count    NMT 100 CFU/G
细胞培养测试cell culture test           pass

品级Grade                           分子生物学级
                          (for molecular biology,≥99.5% (T))
DNA酶DNases,                              none detected
RND酶RNases,                              none detected
不溶物insoluble matter,                   passes filter test
磷酸酶phosphatases,                       none detected
蛋白酶proteases,                          none detected
灼烧残渣Residue on ignition               ≤0.2% (as SO4)
loss on drying, 110 °C                   ≤0.2%
useful pH range                           6.1 - 7.5
pKa (25 °C)                              6.8
碱溶性solubility 0.1 M NaOH:              soluble0.1 M at 20 °C, clear, colorless
anion traces
氯chloride (Cl-):                        ≤200 ppm
硫酸根离子sulfate (SO42-):               ≤50 ppm
cation traces Al:                        ≤5 ppm
  As:                                    ≤0.1 ppm
  Ba:                                    ≤5 ppm
  Bi:                                    ≤5 ppm
  Ca:                                    ≤10 ppm
  Cd:                                    ≤5 ppm
  Co:                                    ≤5 ppm
  Cr:                                    ≤5 ppm
  Cu:                                    ≤5 ppm
  Fe:                                    ≤5 ppm
  K:                                     ≤50 ppm
  Li:                                    ≤5 ppm
  Mg:                                    ≤5 ppm
  Mn:                                    ≤5 ppm
  Mo:                                    ≤5 ppm
  Na:                                    ≤100 ppm
  Ni:                                    ≤5 ppm
  Pb:                                    ≤5 ppm
  Sr:                                    ≤5 ppm
  Zn:                                    ≤5 ppm
λ                                   0.1 M in 1 M NaOH
UV absorption λ: 260 nm A:              ≤0.055
  λ: 280 nm A:                          ≤0.040