5,5-Dithio-bis(2-nitrobenzoic acid) (DTNB)

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Home > Auxiliary > Other Auxiliary Agent > 5,5′-Dithiobis(2-Nitrobenzoic Acid) Manufacturers > 5,5-Dithio-bis(2-nitrobenzoic acid) (DTNB)

5,5-Dithio-bis(2-nitrobenzoic acid) (DTNB)

CAS NO.： 69-78-3

FOB Price： NEGOTIABLE Get Latest Price

Specification： ≥98%

Documentation： Get COA after inquiry

Lead Time： 14-30 days

Max Capacity： -

Packing： 25KG/Fibre Drum

Product Detail

Properties

5,5-Dithio-bis(2-nitrobenzoic acid) (DTNB)

Molecular formula:C₁₄H₈N₂O₈S₂

Molecular wt:396.34

Appearance:white-light yellow crystal powder

Purity:≥98%

CAS:69-78-3

Prod No.:DYS006

Producing Area:Suqian China

Application: They are used in all kinds of medical diagnostic test kits

Properties

DTNB and sodium bicarbonate are mixed in a certain proportion and used as the color developing agent of acetylcholine. It is yellow. It is usually used for the detection of agricultural residues. Its absorbance reflects the inhibition rate of enzyme, and finally used to preliminarily judge whether the pesticide exceeds the standard.

CAS No.

69-78-3

Formula

C14H8N2O8S2

Molecular Mass

396.35200

Exact Mass

395.97200

PSA

216.84000

Logp

4.74520

IUPAC

5-[(3-carboxy-4-nitrophenyl)disulfanyl]-2-nitrobenzoic acid

Matter Classification

organic

Category

Melting Point

240-245 °C (dec.)(lit.)

Density

1.787 g/cm3

Boiling Point

671.9ºC at 760 mmHg

Flash Point

360.1ºC

Appearance

Light yellow crystalline powder

Acidity and Basicity

acidness

HS Code

29309090

UN No.

0

DG-Class

0

Risk Code

36/37/38

Safety Label

Xi

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Company Logo

Yuan Shi (Suqian) Bio-Technology Co.,Ltd.

16YRS

Business Type：

Manufacturing

Country/Region：

Jiangsu, China

Contacts：

Yang Muyan

Position Title：

Sales Manager

Tel：

0086-527-84500458

Email：

yuanshi@chemmail.net

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