5,5'-Dithiobis(2-nitrobenzoic acid) (DTNB) CAS 69-78-3
Category:
Product Description
Molecular Formula: C14H8N2O8S2
Molecular Weight: 396.35
EINECS: 200-714-4
Package: 5g, 10g, 200g
Worldwide Delivery
Made in China
Product Details
Introduction
DTNB is the abbreviation of 5,5'-Dithio bis-(2-nitrobenzoic acid), also called Ellman’s Reagent. It is mixed with sodium bicarbonate in a certain proportion and used as a colorimetric agent for the product acetylcholine. It turns yellow and is usually used for pesticide residue detection.
Specification
|
Appearance |
Light yellow crystalline powder |
|
Content |
≥99% |
|
Melting point |
240-245ºC |
|
Density |
1.67 g/cm3 |
| Acidity coefficient | 1.57±0.25 pKa |
| Solubility | Soluble in water and ethanol. |
Package:
25kg/drum
Storage conditions: 2-8℃, away from light
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