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M8902

Sigma-Aldrich

MES hemisodium salt

≥98% (titration)

Synonym(s):

2-(N-Morpholino)ethanesulfonic acid hemisodium salt, 4-Morpholineethanesulfonic acid hemisodium salt

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About This Item

Empirical Formula (Hill Notation):
C6H13NO4S·0.5Na
CAS Number:
117961-21-4
Molecular Weight:
206.73
MDL number:
MFCD00079460
UNSPSC Code:
12161700
eCl@ss:
32129211
PubChem Substance ID:
24897296
NACRES:
NA.25

Quality Level

200

Assay

≥98% (titration)

form

crystalline powder

impurities

≤8% water content (Karl Fischer)

useful pH range

5.5-6.7

pKa 

6.1

solubility

water: 500 mg/mL, clear, colorless

cation traces

Pb: ≤5 ppm

SMILES string

[Na+].OS(=O)(=O)CCN1CCOCC1.[O-]S(=O)(=O)CCN2CCOCC2

InChI

1S/2C6H13NO4S.Na/c2*8-12(9,10)6-3-7-1-4-11-5-2-7;/h2*1-6H2,(H,8,9,10);/q;;+1/p-1

InChI key

KHQSUKMBWPKXOP-UHFFFAOYSA-M

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Application

MES hemisodium salt has been used as a buffer for the resuspension of carboxylated micelles. It has also been used as a buffer for the immobilization of antibacterial nisin peptides.

Biochem/physiol Actions

MES is one of the major Good′s buffers and is applicable in regulating the pH value in physiological experiments, reagent solutions and plant culture medium.

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

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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Atmospheric pressure plasma modified surfaces for immobilization of antimicrobial nisin peptides
Duday D, et al.
Surface and Coatings Technology, 218, 152-161 (2013)
K D Mahajan et al.
Nanoscale, 8(16), 8641-8649 (2016-04-07)
Nanoscale control of matter is critical to the design of integrated nanosystems. Here, we describe a method to dynamically control directionality of microtubule (MT) motion using programmable magnetic fields. MTs are combined with magnetic quantum dots (i.e., MagDots) that are
Kalpesh D Mahajan et al.
Journal of materials chemistry. B, 8(16), 3534-3541 (2019-12-24)
Fluorescent and magnetic materials play a significant role in biosensor technology, enabling sensitive quantification and separations with applications in diagnostics, purification, quality control, and therapeutics. Here, we present a magneto-fluorescent biosensor/separations platform consisting of quantum dots (QDs) and superparamagnetic iron
Tomoko Kagenishi et al.
Frontiers in plant science, 7, 79-79 (2016-03-01)
In plants, growth of roots and root hairs is regulated by the fine cellular control of pH and reactive oxygen species (ROS). MES, 2-(N-morpholino)ethanesulfonic acid as one of the Good's buffers has broadly been used for buffering medium, and it
Vimala N Bharadwaj et al.
Tissue engineering. Part A, 26(13-14), 688-701 (2020-07-23)
The development of effective therapeutics for brain disorders is challenging, in particular, the blood-brain barrier (BBB) severely limits access of the therapeutics into the brain parenchyma. Traumatic brain injury (TBI) may lead to transient BBB permeability that affords a unique
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