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

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

A zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.

FDS (Fiches de données de sécurité), certificats d’analyse (CoA) et de qualité (CoQ), dossiers, brochures et autres documents disponibles.

Synonymes: N-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid

391340
Purchase on Sigma-Aldrich

Aperçu

Replacement Information

Tableau de caractéristiques principal

CAS #Empirical Formula
7365-45-9C₈H₁₈N₂O₄S

Products

RéférenceConditionnement Qté
391340-250GM Ampoule plast. 250 gm
391340-25GM Flacon en verre 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
Global Trade Item Number
Référence GTIN
391340-250GM 07790788049836
391340-25GM 04055977212433

Documentation

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

Titre

Fiche de données de sécurité des matériaux (FDS) 

HEPES, Free Acid, Molecular Biology Grade - CAS 7365-45-9 - Calbiochem Certificats d'analyse

TitreNuméro de lot
391340
Fiche technique

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