Skip to Content
Merck
All Photos(4)

Key Documents

RDD010

Sigma-Aldrich

ACES

anhydrous, free-flowing, Redi-Dri, ≥99.0%

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

grade

anhydrous

Quality Level

product line

Redi-Dri

Assay

≥99.0%

form

powder

quality

free-flowing

loss

≤1.0% loss on drying

pH

3.0-4.5

useful pH range

6.1-7.5

pKa (25 °C)

6.8

mp

>220 °C (dec.) (lit.)

solubility

water: 5 % (w/w), clear, colorless

cation traces

heavy metals (as Pb): ≤5 ppm

absorption

≤0.02 at 290 nm at 5 % (w/w)

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

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Articles

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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