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TAPSO

Catalog No. T0432 Name Sigma Aldrich
CAS Number 68399-81-5 Website http://www.sigmaaldrich.com
M. F. C7H17NO7S Telephone 1-800-521-8956
M. W. 259.27738 Fax
Purity ≥99% (titration) Email
Storage Chembase ID: 53592

SYNONYMS

Title
3-[N-三(羟甲基)甲胺]-2-羟基丙磺酸
IUPAC name
3-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}-2-hydroxypropane-1-sulfonic acid
IUPAC Traditional name
tapso (buffer)
Synonyms
3-三羟甲基甲胺-2-羟基丙磺酸
N-[三(羟甲基)甲氨基]-2-羟基丙磺酸

DATABASE IDS

PubChem SID 24899888
CAS Number 68399-81-5
EC Number 269-993-8
MDL Number MFCD00038352
Beilstein Number 2113949

PROPERTIES

Antion Traces chloride (Cl-): ≤0.05%
Antion Traces sulfate (SO42-): ≤0.05%
Cation Traces Al: ≤0.0005%
Cation Traces Ca: ≤0.0005%
Cation Traces Cu: ≤0.0005%
Cation Traces Fe: ≤0.0005%
Cation Traces K: ≤0.005%
Cation Traces Mg: ≤0.0005%
Cation Traces NH4+: ≤0.05%
Cation Traces Na: ≤0.005%
Cation Traces Pb: ≤0.001%
Cation Traces Zn: ≤0.0005%
Ignition Residue ≤0.1%
Impurities ≤0.0005% Phosphorus (P)
Impurities ≤0.1% Insoluble matter
pH Range 7.0 - 8.2
Purity ≥99% (titration)
Absorption Wavelength A1M/260, H2O ≤0.1
Absorption Wavelength A1M/280, H2O ≤0.05
pKa 7.6
Solubility H2O: soluble1 M at 20 °C, clear, colorless
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36
German water hazard class 3

DETAILS

REFERENCES