Skip to Content
Merck
All Photos(3)

Key Documents

A7949

Sigma-Aldrich

ACES

BioXtra, ≥99.0% (titration)

Synonym(s):

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

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
H2NCOCH2NHCH2CH2SO3H
CAS Number:
Molecular Weight:
182.20
Beilstein:
2253770
EC Number:
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

product line

BioXtra

Quality Level

Assay

≥99.0% (titration)

form

powder

impurities

≤0.005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

pH

3.0-4.5

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-): ≤0.05%

cation traces

Al: ≤0.005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.002%
K: ≤0.005
Mg: ≤0.0005%
NH4+: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%

absorption

≤0.05 at 260 in H2O at 0.1 M
≤0.05 at 280 in H2O at 0.1 M

application(s)

diagnostic assay manufacturing

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

Looking for similar products? Visit Product Comparison Guide

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service