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Substance
ID:183399
Structure
Similarity
Functional Group
Text
ID:2999
CHES
Sigma Aldrich
ID: C8210
Names and Identifiers
IUPAC name
2-(cyclohexylamino)ethane-1-sulfonic acid
Synonyms
CHES
2-(环己基氨基)乙磺酸
IUPAC Traditional name
N-cyclohexyltaurine
Registration numbers
CAS Number
103-47-9
EC Number
203-115-6
Beilstein Number
2967601
MDL Number
MFCD00003835
PubChem SID
24893031
Properties
Product Information
Cation Traces
NH4+: ≤0.05%
Ca: ≤0.001%
Cu: ≤0.0005%
Mg: ≤0.0005%
Pb: ≤0.001%
Fe: ≤0.0005%
Zn: ≤0.0005%
Al: ≤0.0005%
Na: ≤0.01%
K: ≤0.005%
Antion Traces
chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%
Impurities
≤0.1% Insoluble matter
≤0.0005% Phosphorus (P)
Ignition Residue
≤0.1%
pH Range
8.6 - 10.0
Purity
≥99.0% (titration)
Physical Property
Absorption Wavelength
A0.5M/280, H2O ≤0.05
A0.5M/260, H2O ≤0.08
p𝘒ₐ
9.3
Solubility
H2O: soluble0.5 M, clear, colorless
pH
3.0-5.0 (0.5 M in H2O)
Safety Information
Safety Statements
26
GHS Precautionary statements
P305+P351+P338
GHS Hazard statements
H319
European Hazard Symbols
Irritant (Xi)
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
GHS Signal Word
Warning
German water hazard class
3
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Risk Statements
36
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
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