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sigma 双(2-羟乙基)氨基(三羟甲基)甲烷/2,2-Bis(hydroxymethyl)-2,2',2''-nitrilotriethanol (现货)

更新时间:2011-07-07      浏览次数:1548

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双(2-羟乙基)氨基(三羟甲基)甲烷 基本信息
MSDS 用途与合成方法 双(2-羟乙基)氨基(三羟甲基)甲烷价格(试剂级) 上下游产品信息
中文名称: 双(2-羟乙基)氨基(三羟甲基)甲烷
中文同义词: 双(2-羟乙基)氨基(三羟甲基)甲烷;2,2-双二羟甲基苯胺;双(2-羟乙基)-三羟甲基氨基甲烷;二(2-羟乙基)亚氨基三(羟甲基)甲烷;双(2-羟甲基)氨基-三(羟甲基)甲烷;N,N'-二羟基乙基-亚氨基-三羟基甲基氨基甲烷(BIS-TRIS);双-羟乙基三羟甲基甲胺;双(2-羟乙基)胺三(羟甲基)甲烷
英文名称: 2,2-Bis(hydroxymethyl)-2,2',2''-nitrilotriethanol
英文同义词: BIS(2-HYDROXYETHYL)IMINOTRIS(HYDROXYMETHYL)METHANE;BIS(2-HYDROXYETHYL)IMINO-TRIS(HYDROXYMETHYL)PROPANE;BIS(2-HYDROXYETHYL)AMINO-TRIS(HYDROXYMETHYL)METHANE;BIS(HYDROXYETHYL)IMINO-TRIS-(HYDROXYMETHYL)-METHANE;''BIS-TRIS'';BIS-TRIS;BIS-TRIS BUFFER;2,2-BIS(HYDROXYMETHYL)-2,2',2''-NITRILOETHANOL
CAS号: 6976-37-0
分子式: C8H19NO5
分子量: 209.24
EINECS号: 230-237-7
相关类别: 生物缓冲剂;API intermediates;Buffer
Mol文件: 6976-37-0.mol

 

Description

Other Notes Effective buffer for the assay of creatine kinase1; Effectively protects hemoglobin during freeze-drying2; Catholyte in IEF of 2-D gel electrophoresis3.
  Easily compare specifications for BIS-TRIS products with the BIS-TRIS specification table.

Properties

product line BioUltra
assay ≥99.0% (NT)
total impurities insoluble matter, passes filter test
ign. residue ≤0.3%
loss ≤0.5% loss on drying, 20 °C (HV)
pH 9.5-11.0 (25 °C, 1 M in H2O)
useful pH range 5.8 - 7.2
pKa (25 °C) 6.5
solubility H2O: soluble1 M at 20 °C, clear, colorless
anion traces chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
abs. absorption1M/270 nm, H2O cut-off
λ 1 M in H2O
UV absorption λ: 280 nm Amax: 0.15

Safety

Symbol GHS07
Signal word Warning
Hazard statements H315-H319-H335
Precautionary statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3