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TES

Catalog No. 93353 Name Sigma Aldrich
CAS Number 7365-44-8 Website http://www.sigmaaldrich.com
M. F. C6H15NO6S Telephone 1-800-521-8956
M. W. 229.2514 Fax
Purity ≥99.0% (calc. based on dry substance, T) Email
Storage Chembase ID: 2112

SYNONYMS

Title
Tris 乙磺酸
IUPAC name
2-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}ethane-1-sulfonic acid
IUPAC Traditional name
tes (buffer)
Synonyms
TES 游离酸
N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid
2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonic acid
TES free acid
2-[[三(羟甲基)甲基]氨基]乙磺酸
N-三(羟甲基)甲基-2-氨基乙烷磺酸

DATABASE IDS

CAS Number 7365-44-8
Beilstein Number 1957061
MDL Number MFCD00007532
EC Number 230-906-3

PROPERTIES

Solubility H2O: soluble1 M at 20 °C, clear, colorless
pKa 7.5 (25°C)
pKa 7.5 (20°C)
Melting Point ~225 °C (dec.)
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class 1
Antion Traces chloride (Cl-): ≤2000 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤200 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Na: ≤200 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Empirical Formula (Hill Notation) C6H15NO6S
Ignition Residue ≤0.2% (as SO4)
Loss on Drying ≤0.5% loss on drying, 110 °C
Product Line BioXtra
Purity ≥99.0% (calc. based on dry substance, T)
Useful pH Range 6.8 - 8.2
Useful pH Range 7.0 - 8.0

DETAILS

Description (English)
Other Notes
Biological buffer1
Description (简体中文)
Other Notes
生物缓冲剂1

REFERENCES