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2-(环己基氨基)乙磺酸CHES103-47-95G¥228.00SIGMAC8210
2-(环己基氨基)乙磺酸CHES103-47-925G¥534.00SIGMAC8210
2-(环己基氨基)乙磺酸CHES103-47-9100G¥1,878.00SIGMAC8210
2-(环己基氨基)乙磺酸CHES103-47-91KG¥11,490.00SIGMAC8210
品牌SIGMA
产品名称 2-(环己基氨基)乙磺酸 : CHES ——【产品编号:SIGMA-C8210】
CAS编号103-47-9
别名2-环己胺基乙磺酸,2-(N-环己氨基)乙磺酸,N-环己基-2-氨基乙磺酸,2-(Cyclohexylamino)ethanesulfonic acid,N-Cyclohexyl-2-aminoethanesulfonic acid,N-Cyclohexyltaurine
级别生化级
纯度&分析≥99.0% (titration),BioXtra
Tips一种常用的生物缓冲剂。
分子式C8H17NO3S
分子量207.29
储存条件常温避光保存。
性质
product line BioXtra
assay ≥99.0% (titration)
total impurities ≤0.0005% Phosphorus (P)
  ≤0.1% Insoluble matter
ign. residue ≤0.1%
pH 3.0-5.0 (0.5 M in H2O)
useful pH range 8.6 - 10.0
pKa (25 °C) 9.3
solubility H2O: soluble0.5 M, clear, colorless
anion traces chloride (Cl-): ≤0.05%
  sulfate (SO42-): ≤0.05%
cation traces Al: ≤0.0005%
  Ca: ≤0.001%
  Cu: ≤0.0005%
  Fe: ≤0.0005%
  K: ≤0.005%
  Mg: ≤0.0005%
  NH4+: ≤0.05%
  Na: ≤0.01%
  Pb: ≤0.001%
  Zn: ≤0.0005%
abs. A0.5M/260, H2O ≤0.08
  A0.5M/280, H2O ≤0.05
原产地美国
描述
APPEARANCE WHITE POWDER
SOLUBILITY CLEAR COLORLESS SOLUTION (0.5 M,WATER)
WATER BY KARL FISCHER < OR = 1%
PH TEST 3.0 TO 5.0 (C = 0.5 M)
AMMONIA CONTENT < OR = 0.05%
RESIDUE ON IGNITION < OR = 0.1%
CHLORIDE < OR = 0.05%
SULFATE < OR = 0.05%
INSOLUBLE MATTER < OR = 0.1%
ALUMINUM < OR = 0.0005%
CALCIUM < OR = 0.001%
COPPER < OR = 0.0005%
IRON < OR = 0.0005%
LEAD < OR = 0.001%
MAGNESIUM < OR = 0.0005%
PHOSPHORUS < OR = 0.0005%
SODIUM < OR = 0.01%
ZINC < OR = 0.0005%
POTASSIUM < OR = 0.005%
UV ABSORBANCE A260 (0.5 M SOLUTION)A280 < OR = 0.08 < OR = 0.05
PURITY BY TITRATION > OR = 99.0% (ANHYDROUS BASIS)
供货状态True
参考文献

K.J. Ellis, J.F. Morrison Meth. Enzymol. 87, 405, (1982)

C. Syvertsen, J.S. McKinley-McKee Eur. J. Biochem. 117, 165, (1981)

Merck 14,2055

类型缓冲介质
安全信息
符号 GHS07
信号词 Warning
危险声明 H319
警示性声明 P305 + P351 + P338
个人防护装备 dust mask type N95 (US), Eyeshields, Gloves
危害码 Xi
风险声明 36
安全声明 26
WGK德国 3