Molekula
HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid)
CAS 7365-45-9
C8H18N2O4S
MW 238.31
In stock
C1CN(CCN1CCO)CCS(=O)(=O)O
Overview
A high-purity buffers supplied by Molekula across research and bulk scale.
Specifications
| Property | Value |
|---|---|
| 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% |
| Appearance | White free-flowing crystalline powder |
| 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 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| 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 |
Safety & GHS
None
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
For research and industrial use only
Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.
Documents
Certificate of Analysis (CoA) by batch
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Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
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