Molekula
BES (N,N-Bis(2-hydroxyéthyl)-2-aminéthanesulfonique)
BES, or N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid, is a zwitterionic buffering agent commonly used in biochemical and molecular biology applications, particularly in protein and enzyme studies. It maintains stable pH in the physiological range and is valued for its low ionic strength and minimal interference with biological processes. CAS: 10191-18-1, Molecular Formula: C6H15NO5S, Molecular Weight: 213.25, Storage: Ambient, Signal Word: Warning. Molekula supplies BES from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Aperçu
BES, or N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid, is a zwitterionic buffering agent commonly used in biochemical and molecular biology applications, particularly in protein and enzyme studies. It maintains stable pH in the physiological range and is valued for its low ionic strength and minimal interference with biological processes. CAS: 10191-18-1, Molecular Formula: C6H15NO5S, Molecular Weight: 213.25, Storage: Ambient, Signal Word: Warning. Molekula supplies BES from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Spécifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Identification | Conforms to reference |
| Assay | ≥99.0% |
| Moisture | ≤1.0% |
| Pka | 6.9 - 7.3 |
| A280 nm | ≤0.08 |
| Solubility (0.1 M in H2O) | Clear and complete |
| UV A260nm | ≤0.10 |
Stockage et manipulation
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 60 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 10191-18-1 |
| Molecular Formula | C6H15NO5S |
| Molecular Weight | 213.25 |
| SMILES | C(CO)N(CCO)CCS(=O)(=O)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2922199690 |
| Tariff Code | 2922190090 |
Sécurité et GHS
-
Health Hazard
GHS07
Déclarations de danger
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Déclarations de précaution
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P403+233 Store in a well ventilated place. Keep container tightly closed
À usage recherche et industriel uniquement
Documents
Certificat d'analyse (CoA) par lot
Saisissez un numéro de lot ou de série pour récupérer le certificat d'analyse correspondant à ce lot spécifique. Nous pouvons en générer un à partir des données de spécification si aucun PDF n'est disponible.
Prix et formats de conditionnement
Synonymes
Aucun autre nom enregistré pour ce produit.
Questions fréquentes
What is BES used for?
BES is primarily used as a zwitterionic buffer in biochemical and molecular biology applications, especially in electrophoresis and protein studies.
What is the chemical formula and molecular weight of BES?
The formula of BES is C6H15NO5S with a molecular weight of 213.25 g/mol.
How should BES be stored?
BES should be stored at ambient temperature, protected from moisture and light.
What grade of BES does Molekula supply?
Molekula supplies BES in high-purity grade suitable for research and laboratory use.
Can Molekula supply BES in bulk?
Yes, Molekula can supply BES in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a BES order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
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