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391340 HEPES, Free Acid, Molecular Biology Grade - CAS 7365-45-9 - Calbiochem

391340
Purchase on Sigma-Aldrich

Overview

Replacement Information

Key Spec Table

Empirical FormulaCAS #
C₈H₁₈N₂O₄S7365-45-9

Products

Catalogue NumberPackaging Qty/Pack
391340-250GM Plastic ampoule 250 gm
391340-25GM Glass bottle 25 gm
Description
OverviewA zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.
Catalogue Number391340
Brand Family Calbiochem®
SynonymsN-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid
References
Product Information
CAS number7365-45-9
FormWhite solid
Hill FormulaC₈H₁₈N₂O₄S
Chemical formulaC₈H₁₈N₂O₄S
PKA7.55
Quality LevelMQ100
Applications
Biological Information
Purity≥99% by alkalimetric assay
Physicochemical Information
ContaminantsDNase, RNase, and protease: none detected
Heavy metals≤0.0005%
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
RTECSTL6809000
Safety Information
Product Usage Statements
Storage and Shipping Information
Ship Code Ambient Temperature Only
Toxicity Standard Handling
Storage +15°C to +30°C
Do not freeze Ok to freeze
Packaging Information
Transport Information
Supplemental Information
Specifications

Documentation

HEPES, Free Acid, Molecular Biology Grade - CAS 7365-45-9 - Calbiochem SDS

Title

Safety Data Sheet (SDS) 

HEPES, Free Acid, Molecular Biology Grade - CAS 7365-45-9 - Calbiochem Certificates of Analysis

TitleLot Number
391340
Data Sheet

Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.

Revision12-May-2008 RFH
SynonymsN-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid
DescriptionA zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.
FormWhite solid
Recommended reaction conditionsAbsorbance (260 nm): ≤0.05; (280 nm): ≤0.05" with "A
CAS number7365-45-9
RTECSTL6809000
Chemical formulaC₈H₁₈N₂O₄S
Purity≥99% by alkalimetric assay
ContaminantsDNase, RNase, and protease: none detected
SolubilityAqueous basic solutions or H₂O (400 mg/ml)
Storage +15°C to +30°C
Do Not Freeze Ok to freeze
Toxicity Standard Handling
Merck USA index14, 4654