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Aminoacetic acid

Cas:
56-40-6
Molecular Structure:
MDL:
--MFCD00008131
Molecular Formula:
C2H5NO2;NH2CH2COOH
Molecular Weight:
75.07
Alias:
氨基乙酸,氨基醋酸 Glycine Aminoethanoic acid Glycocoll Amino acetic acid Gly
Product order:
Name Specifications Packing Price Delivery
Aminoacetic acid 用于电泳, ≥99% 1kg RMB 528 Consulting service
Aminoacetic acid 用于电泳, ≥99% 500g RMB 308 Consulting service
Aminoacetic acid 用于分子生物学, ≥99.0% (NT) 500g RMB 858 Consulting service
Aminoacetic acid 用于分子生物学, ≥99.0% (NT) 100g RMB 261.8 Consulting service
Aminoacetic acid 药典级,Ph. Eur., BP, USP, 99-101% 500g RMB 129.8 Consulting service
Aminoacetic acid 分析标准品 250mg RMB 418 Consulting service
Aminoacetic acid AR 1Kg RMB 195.8 Consulting service
Aminoacetic acid AR 500g RMB 107.8 Consulting service
Character:
白色结晶或结晶性粉末。味甜。溶于水,微溶于吡啶,不溶于乙醚。25℃,100ml水中溶解度为25.0g,50℃为39.1g,75℃为54.4g,100℃为67.2g。热至233℃开始分解,290℃全部结块。最小致死量(猫,静脉)3000mg/kg。
密度:1.1607
熔点:182 ºC
沸点:233 ºC
Quality Standard:
 
   项目Item                                   分析纯  
                                  (AR)  
含量Assay,%                               99.5-100.5  
pH(50g/L溶液,25℃)                       5.8-6.4  
澄清度试验Clarity                          合格      
水不溶物Insoluble matter in water,%     ≤ 0.01      
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.01      
氯化物(Cl)Chloride,%                     ≤ 0.001      
硫酸盐(SO4)Sulfate,%                     ≤ 0.001      
铵(NH4)Ammonium,%                        ≤ 0.002      
铁(Fe)Iron,%                             ≤ 0.0005  


品级Grade                               药典级  
                                 (Ph. Eur., BP, USP, 99-101%)
含量assay(以干基计)                     99-101%
可水解物hydrolyzable substances,        complies
有机挥发性不纯物organic volatile impurities, complies (GC)
残留溶剂residual solvents,              complies
重金属heavy metals (as Pb)              ≤0.001%
茚三酮阳性物质other ninhydrin-positive substances ≤0.5%
灼烧残渣ign. residue                    ≤0.1% (as SO4)
干燥损失loss on drying                  ≤0.2% , 105 °C, 2 h
pH                                      5.9-6.4 (20 °C, 5%)
pKa (25 °C)                            2.35
氯chloride (Cl-):                       ≤50 ppm
硫酸根sulfate (SO42-):                  ≤50 ppm
溶液外观appearance of solution          complies  
硫酸反应物质reaction against H2SO4      complies  
红外鉴别identity (IR)                   complies

品级Grade                               分子生物学级  
                                 (for molecular biology, ≥99.0% (NT))
含量assay                              ≥99.0% (NT)
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ign. residue                   ≤0.05% (as SO4)
干燥损失loss on drying                 ≤0.05% , 20 °C (HV)
pKa (25 °C)                           2.35
盐酸溶解性solubility 1 M HCl:          soluble1 M at 20 °C, clear, colorless
氯chloride (Cl-):                      ≤50 ppm
硫酸根sulfate (SO42-):                 ≤50 ppm
阳离子cation traces by ICP Atomic emission
  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
  NH4+:                                ≤200 ppm
  Na:                                  ≤50 ppm
  Ni:                                  ≤5 ppm
  Pb:                                  ≤5 ppm
  Sr:                                  ≤5 ppm
  Zn:                                  ≤5 ppm
λ 1 M in 1 M HCl
UV absorption
  λ: 260 nm A:                         ≤0.01
  λ: 280 nm A:                         ≤0.01


品级Grade                               电泳级  
                                   (for electrophoresis, ≥99%)
外观Appearance                          白色至类白色粉末
纯度Purity                              ≥99.0% (GC)  
水溶解试验solubility in water           2 GM /10 ML WATER, clear
不溶物Insoluble matter                  ≤0.01%
pKa (25 °C)                            2.35
氯chloride (Cl-):                       ≤70 ppm
重金属heavy metals (as Pb):             ≤20 ppm
UV absorption  A280                     ≤ 0.15(1 M)
For use in electrode buffers for page   complies
In transfer buffers for western blots   complies

  

Storage:
密封保存
用途  络合滴定指示剂,色层分析用试剂;缓冲剂;比色法测定氨基酸时作标准用。检验铜、金和银。制备组织培养基。在有机合成和生物化学中用作生化试剂和溶剂。
脊髓抑制性神经递质,NMDA受体的变构调节
分子生物学级用做缓冲液组分,在耦联磷酸激酶反应中用于末端标记限制性酶切片段;Tris -甘氨酸缓冲液组分,用于SDS -聚丙烯酰胺凝胶电泳中的体外翻译产物应用中。
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