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CAPS

Catalog No. 29337 Name Sigma Aldrich
CAS Number 1135-40-6 Website http://www.sigmaaldrich.com
M. F. C9H19NO3S Telephone 1-800-521-8956
M. W. 221.31706 Fax
Purity ≥99.0% (TLC) Email
Storage Chembase ID: 1971

SYNONYMS

IUPAC name
3-(cyclohexylamino)propane-1-sulfonic acid
IUPAC Traditional name
CAPS
Synonyms
3-(Cyclohexylamino)-1-propanesulfonic acid
3-(环己胺)-1-丙磺酸

DATABASE IDS

MDL Number MFCD00003837
PubChem SID 24857653
EC Number 214-492-1
CAS Number 1135-40-6
Beilstein Number 2835588

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤150 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 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: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Ignition Residue ≤0.05%
Impurities insoluble matter, passes filter test
λ 0.05 M in H2O
Linear Formula C6H11NH(CH2)3SO3H
Loss on Drying ≤1% loss on drying, 110 °C
Product Line BioUltra
Purity ≥99.0% (TLC)
Useful pH Range 9.7 - 11.1
Absorption Wavelength λ: 260 nm Amax: 0.04
Absorption Wavelength λ: 280 nm Amax: 0.04
pKa 10.4
Melting Point >300 °C(lit.)
pH 3.5-6.0 (25 °C, 0.5 M in H2O)
Solubility H2O: soluble0.5 M at 20 °C, clear, colorless
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS TZ6395000
German water hazard class 3

DETAILS

Description (English)
Other Notes
Buffer for studying pH-dependent processes in enzymology1; Eluent buffer component in the separation of basic drugs by HPLC2
Description (简体中文)
Other Notes
Buffer for studying pH-dependent processes in enzymology1; Eluent buffer component in the separation of basic drugs by HPLC2

REFERENCES