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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,三甲銨乙內(nèi)酯,甘氨酸三甲胺內(nèi)鹽 Carboxymethyl)trimethylammonium inner salt Oxyneurine Betaine Anhydrous
Product order:
Name Specifications Packing Price Delivery
Betaine ≥98% 10g RMB 297 現(xiàn)貨
Betaine 99%,超純級 25g RMB 418 Consulting service
Betaine 99%,超純級 100g RMB 1375 Consulting service
Betaine 99%,超純級 500g RMB 5445 Consulting service
Betaine 分析標準品,≥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:
無色柱狀結晶。能溶于水和醇。溶解度(每100g溶劑中溶解該品的克數(shù)):水160,甲醇55,乙醇8.7。微溶于乙醚。易潮解,有甜味。在濃氫氧化鉀中生成三甲胺。
熔點:293℃
Quality Standard:
 
項目                            生化試劑級            
                                 (BC)              
純度Purity%                      >98.0                
重金屬Heavy Metals(%)            ≤0.0010
鑒別實驗Identification           合格
干燥失重Loss on Drying(%)        ≤0.5              
pH (25%, Water) @25C             0.8-1.2
灼燒殘渣Residue on Ignition(%)   ≤0.1  


項目                             化學純
                                  (CP)
外觀Appearance                   白色或淡黃色晶體粉末
含量assay(%)                     ≥98%  
干燥失重Loss on Drying (%)       ≤1%
灼燒殘渣Residue on Ignition (%)  ≤1.0%
重金屬Heavy Metals(以Pb計)(%)  <0.001
砷(As)(%)                        <0.0002

品級Grade                               超純級  
                                    (≥99.0% (NT),Ultra pure)
含量assay                             ≥99.0% (NT)
不溶物insoluble matters,              passes filter test
甲醇溶解試驗solubility in methanol    合格,1 M at 20 °C, 無色透明
氯chloride (Cl-): ≤200 mg/kg
硫酸根sulfate (SO42-): ≤200 mg/kg
痕量陽離子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  為甜菜堿型兩性表面活性劑,用作還原染料染色用勻染劑。
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