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CAPSO

Catalog No. C8085 Name Sigma Aldrich
CAS Number 73463-39-5 Website http://www.sigmaaldrich.com
M. F. C9H19NO4S Telephone 1-800-521-8956
M. W. 237.31646 Fax
Purity ≥99.0% anhydrous basis (CAPSO, titration) Email
Storage Chembase ID: 53590

SYNONYMS

IUPAC name
3-(cyclohexylamino)-2-hydroxypropane-1-sulfonic acid
IUPAC Traditional name
3-(cyclohexylamino)-2-hydroxypropane-1-sulfonic acid
Synonyms
CAPSO 游离酸
3-(环己胺)-2-羟基-1-丙磺酸

DATABASE IDS

Beilstein Number 5939234
MDL Number MFCD00041778
CAS Number 73463-39-5
PubChem SID 24893021

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
Impurities ≤1.0% (Karl Fischer)
pH Range 8.9 - 10.3
Purity ≥99.0% anhydrous basis (CAPSO, titration)
Purity ≥99.0% anhydrous basis (TSOD, titration)
Absorption Wavelength A0.5M/260, H2O ≤0.05
Absorption Wavelength A0.5M/280, H2O ≤0.05
pKa 9.6
pH 2.0-4.0 (20 °C, 0.5 M in H2O)
Solubility H2O: soluble0.5 M at 20 °C, clear, colorless
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class 3

DETAILS

REFERENCES