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HS Code |
614074 |
| Product Name | 5,5'-Dithiobis(2-nitrobenzoic Acid) |
| Abbreviation | DTNB |
| Application | Determination of SH groups |
| Cas Number | 69-78-3 |
| Molecular Formula | C14H8N2O8S2 |
| Molecular Weight | 396.35 g/mol |
| Appearance | Yellow powder |
| Solubility | Soluble in water and buffer solutions |
| Melting Point | 204-206 °C (decomposes) |
| Absorption Maximum | 412 nm (after reaction with thiols) |
| Storage Conditions | Store at 2-8°C, protected from light |
| Purity | ≥98% |
| Synonyms | Ellman's reagent |
| Hazard Class | Irritant |
| Pka | circa 5.5 |
As an accredited 5,5'-Dithiobis(2-nitrobenzoic Acid) [for Determination of SH groups] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 1g amber glass bottle, labelled with Sigma Aldrich branding, chemical name, hazard warnings, and handling instructions. |
| Shipping | 5,5'-Dithiobis(2-nitrobenzoic acid) [for Determination of SH groups] is shipped in tightly sealed, moisture-resistant containers to prevent degradation. The chemical is generally transported as a non-hazardous, temperature-stable substance, but should be kept dry, protected from light, and handled according to the supplier’s safety and regulatory shipping guidelines. |
| Storage | Store **5,5'-Dithiobis(2-nitrobenzoic acid) [DTNB, Ellman's reagent]** in a tightly sealed container at 2–8°C (refrigerator). Protect from light and moisture. Keep away from incompatible substances such as strong oxidizing agents. Store in a cool, dry, and well-ventilated place, using chemical-resistant containers. Follow safety guidelines in the manufacturer’s SDS for proper storage and handling conditions. |
Competitive 5,5'-Dithiobis(2-nitrobenzoic Acid) [for Determination of SH groups] prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
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