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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

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About This Item

Linear Formula:
H2NCOCH2NHCH2CH2SO3H
CAS Number:
Molecular Weight:
182.20
Beilstein/REAXYS Number:
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

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Legal Information

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

Storage Class

11 - Combustible Solids

wgk_germany

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’.

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Articles

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

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