Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

106126 2-Morpholinoethanesulfonic acid monohydrate

2-Morpholinoethanesulfonic acid monohydrate buffer substance MES. CAS 145224-94-8, pH 3.6 (10 g/l, H₂O, 20 °C).

2-Morpholinoethanesulfonic acid monohydrate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: MES

View Products on Sigmaaldrich.com
106126
Purchase on Sigma-Aldrich

Overview

Replacement Information

Key Spec Table

CAS #Empirical Formula
145224-94-8C₆H₁₃NO₄S * H₂O

Products

Catalogue NumberPackaging Qty/Pack
1.06126.0025 Glass bottle 25 g
1.06126.0250 Glass bottle 250 g
1.06126.1000 Glass bottle 1 kg
Description
Catalogue Number106126
SynonymsMES
References
Product Information
CAS number145224-94-8
EC number224-632-3
Hill FormulaC₆H₁₃NO₄S * H₂O
Molar Mass213.25 g/mol
HS Code2934 99 99
Structure formula ImageStructure formula Image
Quality LevelMQ100
Applications
Application2-Morpholinoethanesulfonic acid monohydrate buffer substance MES. CAS 145224-94-8, pH 3.6 (10 g/l, H₂O, 20 °C).
Biological Information
Physicochemical Information
Melting Point>300 °C
pH value3.6 (10 g/l, H₂O, 20 °C)
Bulk density570 kg/m3
Solubility80 g/l
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 3 highly hazardous to water
Disposal3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageStore at +5°C to +30°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Assay (alcalimetric, calculated on anhydrous substance)≥ 99 %
Identity (IR-spectrum)passes test
pH-value (0.5 M; 20 °C; water)2.5 - 4.0
UV-Absorption (250 nm, 50 g/l, 1 cm, water)≤ 0.05
UV-Absorption (250 nm, 100 g/l, 1 cm, water)≤ 0.1
Chloride (Cl)≤ 0.005 %
Sulfate (SO₄)≤ 0.005 %
Heavy metals (as Pb)≤ 0.0005 %
Na (Sodium)≤ 0.005 %
Water (according to Karl Fischer)7.0 - 9.0 %
Biological buffer, pKa at 20 °C6.15
Global Trade Item Number
Catalogue Number GTIN
1.06126.0025 04022536073088
1.06126.0250 04022536073095
1.06126.1000 04022536919928