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Betaine

Cas:
107-43-7
Molecular Structure:
MDL:
MFCD00012123
Molecular Formula:
C5H11NO2;(CH3)3N+CH2COO
Molecular Weight:
117.15
Alias:
甜菜素,三甲铵乙内酯,甘氨酸三甲胺内盐 Carboxymethyl)trimethylammonium inner salt Oxyneurine Betaine Anhydrous
Product order:
Name Specifications Packing Price Delivery
Betaine ≥98% 10g RMB 297 现货
Betaine 99%,超纯级 25g RMB 418 Consulting service
Betaine 99%,超纯级 100g RMB 1375 Consulting service
Betaine 99%,超纯级 500g RMB 5445 Consulting service
Betaine 分析标准品,≥99% 100mg RMB 253 Consulting service
Betaine CP 250g RMB 88 Consulting service
Betaine CP 1kg RMB 319 Consulting service
Betaine BC 250g RMB 99 Consulting service
Betaine BC 1kg RMB 385 Consulting service
Character:
无色柱状结晶。能溶于水和醇。溶解度(每100g溶剂中溶解该品的克数):水160,甲醇55,乙醇8.7。微溶于乙醚。易潮解,有甜味。在浓氢氧化钾中生成三甲胺。
熔点:293℃
Quality Standard:
 
项目                            生化试剂级            
                                 (BC)              
纯度Purity%                      >98.0                
重金属Heavy Metals(%)            ≤0.0010
鉴别实验Identification           合格
干燥失重Loss on Drying(%)        ≤0.5              
pH (25%, Water) @25C             0.8-1.2
灼烧残渣Residue on Ignition(%)   ≤0.1  


项目                             化学纯
                                  (CP)
外观Appearance                   白色或淡黄色晶体粉末
含量assay(%)                     ≥98%  
干燥失重Loss on Drying (%)       ≤1%
灼烧残渣Residue on Ignition (%)  ≤1.0%
重金属Heavy Metals(以Pb计)(%)  <0.001
砷(As)(%)                        <0.0002

品级Grade                               超纯级  
                                    (≥99.0% (NT),Ultra pure)
含量assay                             ≥99.0% (NT)
不溶物insoluble matters,              passes filter test
甲醇溶解试验solubility in methanol    合格,1 M at 20 °C, 无色透明
氯chloride (Cl-): ≤200 mg/kg
硫酸根sulfate (SO42-): ≤200 mg/kg
痕量阳离子cation traces by ICP Atomic emission
  Ca:                                 ≤10 ppm
  Cd:                                 ≤5  ppm
  Co:                                 ≤5  ppm
  Cr:                                 ≤5 ppm
  Cu:                                 ≤5 ppm
  Fe:                                 ≤5 ppm
  K:                                  ≤50 ppm
  Mg:                                 ≤5 ppm
  Mn:                                 ≤5 ppm
  Na:                                 ≤50 ppm
  Ni:                                 ≤5 ppm
  Pb:                                 ≤5 ppm
  Zn:                                 ≤5 ppm
UV absorbance
  A1M/260 nm, methanol                ≤0.08
  A1M/280 nm, methanol                ≤0.05 

Storage:
避光保存
用途  为甜菜碱型两性表面活性剂,用作还原染料染色用匀染剂。
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