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Merck
CN

00194

ACES

BioUltra, ≥99.5% (T)

Synonym(s):

N-(2-Acetamido)-2-aminoethanesulfonic acid, N-(Carbamoylmethyl)-2-aminoethanesulfonic acid, N-(Carbamoylmethyl)taurine

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About This Item

Linear Formula:
H2NCOCH2NHCH2CH2SO3H
CAS Number:
Molecular Weight:
182.20
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
EC Number:
230-908-4
Beilstein/REAXYS Number:
2253770
MDL number:
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product line

BioUltra

Quality Level

assay

≥99.5% (T)

form

powder or crystals

technique(s)

electrophoresis: suitable

impurities

insoluble matter, passes filter test

ign. residue (900 °C)

≤0.05%

loss

≤0.5% loss on drying, 20 °C (HV)

pH

2.5-4.5 (25 °C, 0.1 M in H2O)

useful pH range

6.1-7.5

pKa (25 °C)

6.8

mp

>220 °C (dec.) (lit.)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤250 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤10 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤200 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: 0.008, λ: 280 nm Amax: 0.005

SMILES string

NC(=O)CNCCS(O)(=O)=O

InChI

1S/C4H10N2O4S/c5-4(7)3-6-1-2-11(8,9)10/h6H,1-3H2,(H2,5,7)(H,8,9,10)

InChI key

DBXNUXBLKRLWFA-UHFFFAOYSA-N

Application

ACES, or N-(2-Acetamido)-2-aminoethanesulfonic acid, can be used to study biological buffers and zwitterionic compounds. ACES has been used in a study to determine the levels of ibuprofen and flurbiprofen in pharmaceuticals by capillary zone electrophoresis.

Other Notes

Biological buffer component with sodium hydroxide and sodium chloride (pH 5.93-7.83, useful range 6.4-7.4); An efficient separator (pH gradient of less than 1 pH unit) in the resolution of protein systems by IEF; Improves phenotyping of α1-antitrypsin by isoelectric focusing on agarose gel


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Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

Eyeshields, Gloves, type N95 (US)

flash_point_f

No data available

flash_point_c

No data available



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D.D. Perrin et al.
Buffers for pH and Metal Ion Control, 43-43 (1974)
Comparison of three buffers used in the formulation of buffered charcoal yeast extract medium
Edelstein, P.H. and Edelstein, M.A.
Journal of Clinical Microbiology, 31, 3329-3330 (1991)
Rafifa Hamoudová et al.
Journal of pharmaceutical and biomedical analysis, 41(4), 1463-1467 (2006-05-12)
Capillary zone electrophoresis with spectrophotometric detection was used for the determination of ibuprofen (IB) and flurbiprofen (FL) in pharmaceuticals. The separation was carried out in a fused silica capillary (60 cm x 100 microm i.d. effective length 45 cm) at



Global Trade Item Number

SKUGTIN
293199-1G04061837656255
00194-100G04061838602381