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475893 MES, Free Acid, ULTROL® Grade - CAS 4432-31-9 - Calbiochem

A zwitterionic buffer useful in the pH range of 5.5-6.5. Has a pKa of 6.10 at 25°C. Absorbance (1.0 M, H2O, 260 nm):0.05.

MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: 2-(N-Morpholino)ethanesulfonic Acid

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475893
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Overview

Key Spec Table

CAS #Empirical Formula
4432-31-9C₆H₁₃NO₄S

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475893-100GM
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      475893-1KG
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          475893-500GM
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              Description
              OverviewA zwitterionic buffer useful in the pH range of 5.5-6.5. Has a pKa of 6.10 at 25°C.
              Absorbance (1.0 M, H2O, 260 nm): <0.05.
              Catalogue Number475893
              Brand Family Calbiochem®
              Synonyms2-(N-Morpholino)ethanesulfonic Acid
              References
              ReferencesGood, N.E., et al. 1966. Biochemistry 5, 467.
              Product Information
              CAS number4432-31-9
              FormWhite crystaline solid
              Hill FormulaC₆H₁₃NO₄S
              Chemical formulaC₆H₁₃NO₄S
              Hygroscopic Hygroscopic
              PKA6.2 at 20°C
              Quality LevelMQ200
              Biological Information
              Purity≥99% by titration (dry basis)
              Physicochemical Information
              Contaminantsheavy metals: ≤1 ppm
              Heavy metals≤1 ppm
              Safety Information according to GHS
              RTECSQE3479500
              Storage and Shipping Information
              Ship Code Ambient Temperature Only
              Toxicity Standard Handling
              Storage +15°C to +30°C
              Hygroscopic Hygroscopic
              Do not freeze Ok to freeze
              Special InstructionsFollowing reconstitution, store in the refrigerator (4°C). Stock solutions are stable for up to 2 weeks at 4°C.
              Global Trade Item Number
              Catalogue Number GTIN
              475893-100GM 04055977203639
              475893-1KG 04055977203615
              475893-500GM 04055977203660