描述 2,2′-Benzidinedisulfonic acidquick Details Chemical Name: 2,2′-Benzidinedisulfonic acidCAS No.:117-61-3Molecular Fomula:C12H12N2O6S2 Chemical Structure: Molecular weight:344.36 Appearance:Lavender powder Assay: 98%min 2,2′-Benzidinedisulfonic acidtypical Properties Item Standard Results Appearance Lavender powder Confirmed Assay ≧98.0% 99.1% 2,2′-Benzidinedisulfonic acidUsage Used for Acid red 97, acid yellow 42, acid yellow 84, active green 19 2,2′-Benzidinedisulfonic acidPackaging and Shipping: Packing: 25 kg drum Delivery: by air ,by sea ,by courier 2,2′-Benzidinedisulfonic acidStorage Stored in a cool dry place out of direct sunlight

2,2′-Benzidinedisulfonic acid CAS 117-61-3

Chemical Name: 2,2′-Benzidinedisulfonic acid
CAS No.: 117-61-3
Molecular Fomula: C12H12N2O6S2
Molecular weight: 344
Appearance: Dark purple Powder
Sample: Available

2,2′-Benzidinedisulfonic acid CAS 117-61-3
2,2′-Benzidinedisulfonic acid, Promotion Season Now in Store and Free Sample for Testing with Factory Price

Description of 2,2′-Benzidinedisulfonic acid

Basic Info of 2,2′-Benzidinedisulfonic acid

Chemical Name

5-amino-2-(4-amino-2-sulfophenyl)benzenesulfonic acid

Synonyms

Kyselina benzidin-2,2′-disulfonova;4,4′-Diaminobiphenyl-2,2′-disulfonic acid;6,6′-Bimetanilic acid;4,4′-Diamino-2,2′-biphenyldisulfonic Acid;Benzidine-2,2′-disulphonic acid;Expand

CAS No.

117-61-3

Molecular Formula

C12H12N2O6S2

Molecular Weight

344.36300

PSA

177.54000

LogP

4.33540

Safety Info

HS Code

2921590090

WGK Germany

1
Properties

Appearance & Physical State

Leaflets or prisms or light purple powder.

Density

1.681 g/cm3

Boiling Point

273.9ºC at 760 mmHg

Melting Point

175ºC

Flash Point

104.8ºC

Refractive Index

1.48

Numbering system
UNITTD34B3O8M9
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What is 2,2′-Benzidinedisulfonic acid?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is 2,2′-Benzidinedisulfonic acid which has developed particularly rapidly in recent years. Do you know about 2,2′-Benzidinedisulfonic acid?

The official answer:Earthy yellow powder or purple powder, melting point 175 ℃, water soluble

What’s the application of 2,2′-Benzidinedisulfonic acid?

Dye intermediate for dye synthesis.

Conclusion

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