Substance
ID:351662
Names and Identifiers
IUPAC name
2-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}ethane-1-sulfonic acid
Synonyms
TES free acid2-[[三(羟甲基)甲基]氨基]乙磺酸TES 游离酸2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonic acidN-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acidN-三(羟甲基)甲基-2-氨基乙烷磺酸TESTris 乙磺酸
IUPAC Traditional name
tes (buffer)
Registration numbers
CAS Number
EC Number
MDL Number
Beilstein Number
PubChem SID
Properties
Product Information
Purity
≥99.5% (calc. based on dry substance, T)
Antion Traces
chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤50 mg/kg
Cation Traces
Cr: ≤5 mg/kg
Li: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
Cu: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Fe: ≤5 mg/kg
Mn: ≤5 mg/kg
Ca: ≤10 mg/kg
As: ≤0.1 mg/kg
Cd: ≤5 mg/kg
Al: ≤5 mg/kg
Ba: ≤5 mg/kg
Na: ≤100 mg/kg
Bi: ≤5 mg/kg
Co: ≤5 mg/kg
Mg: ≤5 mg/kg
Pb: ≤5 mg/kg
K: ≤200 mg/kg
Ignition Residue
≤0.1% (as SO4)
Impurities
insoluble matter, passes filter test
Product Line
BioUltra
λ
1 M in H2O
Empirical Formula (Hill Notation)
C6H15NO6S
Useful pH Range
6.8 - 8.2
Loss on Drying
≤0.5% loss on drying, 110 °C
Physical Property
Absorption Wavelength
λ: 280 nm Amax: 0.045
λ: 260 nm Amax: 0.055
Melting Point
~225 °C (dec.)
Solubility
H2O: soluble1 M at 20 °C, clear, colorless
p𝘒ₐ
7.5 (25°C)
pH
3.5-5.0 (25 °C, 1 M in H2O)
Safety Information
MSDS Link
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class
1
Molecule Details
Other Notes
Hydrogen ion buffer for biological research1; Suitable buffer for epidermal cell growth at pH 7.4-7.9 where additional buffering capacity is required2
Hydrogen ion buffer for biological research1; Suitable buffer for epidermal cell growth at pH 7.4-7.9 where additional buffering capacity is required2
Molecular Spectra
No Data Available
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References
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