Molekula
HEPES (4-(2-hydroxyéthyl)pipérazine-1-éthane-sulfonique)
HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid)
HEPES is a zwitterionic buffering agent commonly used in biological and biochemical applications to maintain stable pH conditions. It is particularly effective in the pH range of 6.8 to 8.2 and is widely used in cell culture, electrophoresis, and enzyme assays. Available in powder form with a molecular weight of 238.31 g/mol, CAS number 7365-45-9, and molecular formula C8H18N2O4S, HEPES is stable at ambient storage conditions. Molekula supplies HEPES from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Aperçu
HEPES is a zwitterionic buffering agent commonly used in biological and biochemical applications to maintain stable pH conditions. It is particularly effective in the pH range of 6.8 to 8.2 and is widely used in cell culture, electrophoresis, and enzyme assays. Available in powder form with a molecular weight of 238.31 g/mol, CAS number 7365-45-9, and molecular formula C8H18N2O4S, HEPES is stable at ambient storage conditions. Molekula supplies HEPES from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Prix et formats de conditionnement
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25 g — £30.50 par emballage
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100 g — £49.20 par emballage
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500 g — £88.80 par emballage
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1 kg — £153.20 par emballage
Les prix ne comprennent pas la TVA, les taxes sur les ventes ni les frais d'expédition. Des emballages en grande quantité et sur mesure sont disponibles sur demande.
Spécifications
| Property | Value |
|---|---|
| Appearance | White free-flowing crystalline powder |
| Heavy metals | ≤5ppm |
| Identification | Conforms to reference |
| pH | 4.8 - 5.6 |
| Loss on Drying | ≤0.5% |
| Chloride (Cl) | ≤100ppm |
| Assay | ≥99.5% |
| Residue on Ignition | ≤0.1% |
| Iron (Fe) | ≤5ppm |
| pKa (@ 20°C) | 7.35 - 7.69 |
| A260 (1M water ) | ≤0.050 |
| A280 (1M water ) | ≤0.050 |
| Endotoxin ( 0.2% solution ) | ≤0.1EU/ml |
| A405 (1M Water) | ≤0.015 |
| Solubility 1M water | Clear, Colourless solution |
Stockage et manipulation
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 47376574 |
| CAS Number | 7365-45-9 |
| Molecular Formula | C8H18N2O4S |
| Molecular Weight | 238.31 |
| SMILES | C1CN(CCN1CCO)CCS(=O)(=O)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2933.59.9500 |
| Tariff Code | 2933599590 |
Sécurité et GHS
Déclarations de précaution
- P280 Wear protective gloves/protective clothing/eye protection/face protection
À usage recherche et industriel uniquement
Documents
Fiches de données de sécurité (FDS)
Disponible en PT, US, IT, FR, ES, DE, EN.
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PT - (47376574) HEPES (4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID) [7365-45-9].pdf
SDS · PT · 180 KB
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US - (47376574) HEPES (4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID) [7365-45-9].pdf
SDS · US · 181 KB
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IT - (47376574) HEPES (4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID) [7365-45-9].pdf
SDS · IT · 178 KB
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FR - (47376574) HEPES (4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID) [7365-45-9].pdf
SDS · FR · 182 KB
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ES - (47376574) HEPES (4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID) [7365-45-9].pdf
SDS · ES · 182 KB
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DE - (47376574) HEPES (4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID) [7365-45-9].pdf
SDS · DE · 182 KB
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EN - (47376574) HEPES (4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID) [7365-45-9].pdf
SDS · EN · 178 KB
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.
Synonymes
Aucun autre nom enregistré pour ce produit.
Questions fréquentes
What is HEPES used for?
HEPES is commonly used as a buffering agent in biological and biochemical applications, particularly in cell culture and protein studies, due to its stability and effectiveness in the physiological pH range.
What is the chemical formula and molecular weight of HEPES?
The formula of HEPES is C8H18N2O4S with a molecular weight of 238.31 g/mol.
How should HEPES be stored?
HEPES should be stored at ambient temperature, protected from moisture and light, and kept in a tightly sealed container.
What grade of HEPES does Molekula supply?
Molekula supplies HEPES in high-purity grade, suitable for research and laboratory use.
Can Molekula supply HEPES in bulk?
Yes, Molekula can supply HEPES in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a HEPES order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
Prêt à passer commande ou besoin d'un emballage sur mesure ?
Indiquez le produit, le grade et la quantité – Molekula répond généralement sous un jour ouvrable avec le prix et le délai de livraison.