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A6659

Sigma-Aldrich

AMPSO

≥99% (titration)

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Synonym(s):
N-(1,1-Dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid
Empirical Formula (Hill Notation):
C7H17NO5S
CAS Number:
Molecular Weight:
227.28
Beilstein/REAXYS Number:
5929916
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

assay

≥99% (titration)

form

crystalline

useful pH range

8.3-9.7

pKa (25 °C)

9.0

solubility

water: 0.333 g/mL, clear to slightly hazy, colorless

application(s)

diagnostic assay manufacturing

SMILES string

CC(C)(CO)NCC(O)CS(O)(=O)=O

InChI

1S/C7H17NO5S/c1-7(2,5-9)8-3-6(10)4-14(11,12)13/h6,8-10H,3-5H2,1-2H3,(H,11,12,13)

InChI key

ACERFIHBIWMFOR-UHFFFAOYSA-N

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This Item
A1911M8389T9269
AMPSO ≥99% (titration)

A6659

AMPSO

AMPSO sodium salt

A1911

AMPSO sodium salt

MOPSO ≥99% (titration)

M8389

MOPSO

TAPSO ≥99% (titration)

T9269

TAPSO

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

form

crystalline

form

crystalline powder

form

crystalline powder

form

crystalline powder

solubility

water: 0.333 g/mL, clear to slightly hazy, colorless

solubility

water: 0.33 g/mL, clear to slightly hazy, colorless

solubility

water: 0.333 mg/mL, clear, colorless

solubility

warm water: 0.333 g/mL, clear to slightly hazy, colorless

useful pH range

8.3-9.7

useful pH range

8.3-9.7

useful pH range

6.2-7.6

useful pH range

7.0-8.2

pKa (25 °C)

9.0

pKa (25 °C)

9.0 (Free acid)

pKa (25 °C)

-

pKa (25 °C)

7.6

General description

N-(1,1-dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid (AMPSO) is used as commercial pH buffers.

Application

AMPSO has been used in electroblotting the electrophoresed protein to nitrocellulose.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Quantitative analysis of GAP-43 expression by neurons in microcultures using cell-ELISA
Schreyer DJ, et al.
Journal of Neuroscience Methods, 72(2), 137-145 (1997)
Determination of the stability constants of Pb-(DIPSO) x-(OH) y and Pb-(AMPSO) x-(OH) y systems
Eliat EM, et al.
Journal of Coordination Chemistry, 66(20), 3544-3560 (2013)
S A Bursakov et al.
Biochemical and biophysical research communications, 239(3), 816-822 (1997-11-21)
Some sulfate reducing bacteria can induce nitrate reductase when grown on nitrate containing media being involved in dissimilatory reduction of nitrate, an important step of the nitrogen cycle. Previously, it was reported the purification of the first soluble nitrate reductase
D P McGregor et al.
BioTechniques, 21(3), 463-466 (1996-09-01)
The effect of buffer composition on simultaneous PCR amplification of 16S rRNA gene fragments of five bacterial species was examined using a number of different buffer systems. Tris-based PCR buffers at final concentrations of 10 mM proved unreliable. However, when
M Hosse et al.
Environmental science & technology, 35(21), 4301-4306 (2001-11-23)
Capillary electrophoresis (CE) and fluorescence correlation spectroscopy (FCS) were employed to determine electrophoretic mobilities and hydrodynamic sizes of three humic substances (IHSS aquatic fulvic acid (FA), IHSS aquatic humic acid (HA), and IHSS peat humic acid (PHA)) as a function

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