Molekula
بي إس (N,N-ثنائي هيدروكسي إيثيل-2-أمينو إيثان سلفونيك حمض)
BES (N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid)
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.
نظرة عامة
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.
الأسعار ومقاسات التعبئة
المواصفات
| 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 |
التخزين والتعامل
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 60 months |
| Acidity | Acid |
التعرف
| Property | Value |
|---|---|
| SKU | 58714707 |
| 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 |
السلامة ونظام التصنيف والتحذير العالمي
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Health Hazard
GHS07
بيانات الخطر
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
إقرارات احترازية
- 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
مخصص للأغراض البحثية والصناعية فقط
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ IT, FR, ES, DE, EN.
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IT - (58714707) BES (N,N-BIS(2-HYDROXYETHYL)-2-AMINOETHANESULFONIC ACID) [10191-18-1].pdf
SDS · IT · 190 KB
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FR - (58714707) BES (N,N-BIS(2-HYDROXYETHYL)-2-AMINOETHANESULFONIC ACID) [10191-18-1].pdf
SDS · FR · 193 KB
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ES - (58714707) BES (N,N-BIS(2-HYDROXYETHYL)-2-AMINOETHANESULFONIC ACID) [10191-18-1].pdf
SDS · ES · 192 KB
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DE - (58714707) BES (N,N-BIS(2-HYDROXYETHYL)-2-AMINOETHANESULFONIC ACID) [10191-18-1].pdf
SDS · DE · 192 KB
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EN - (58714707) BES (N,N-BIS(2-HYDROXYETHYL)-2-AMINOETHANESULFONIC ACID) [10191-18-1].pdf
SDS · EN · 190 KB
شهادة التحليل (CoA) حسب الدفعة
أدخل رقم الدفعة أو الحزمة للحصول على شهادة المطابقة الخاصة بهذه الدفعة المحددة. يمكننا إنشاء واحدة من بيانات المواصفات إذا لم تكن هناك نسخة PDF محفوظة.
مرادفات
لا توجد أسماء بديلة مسجلة لهذا المنتج.
الأسئلة الشائعة
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.
جاهز للطلب أو تحتاج إلى حزمة مخصصة؟
أخبرنا بالمنتج، والجودة، والكمية — عادةً ما نرد خلال يوم عمل واحد بأسعار التوريد وموعد التسليم.