4,4'-Diaminostilbene-2,2'-disulfonic acid | Global Trade leader ecrobot

Product

4,4'-Diaminostilbene-2,2'-disulfonic acid

Posting date : Aug 06, 2015

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Membership

Free Member Scince Apr 10, 2015

FOB Price

4.2/KG

Min. Order Quantity

5KG

Supply Abillity

30t/month

Port

QINGDAO

Payment Terms

T/T

Package

in 25KG woven bags or upon clients' request

Keyword :

DSD ACID

Category

CHEMICAL | Tanning or | Other colo | Pigments &

Contact

duan

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Product Detail

Company Info

Quick Detail

Place of Origin

China [CN]

Brand Name

Meinl

Model Number

0001

HS-CODE

3206-19

Package & Delivery Lead Time

Package

in 25KG woven bags or upon clients' request

Detailed Description

CAS NO:

81-11-8

EC NO:

201-325-2

Molecular Formula:

C14H14N2O6S2

Molecular Weight:

370.4008

Specification:

InChI:

InChI=1/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)

Product description:

Chemical name:4,4’-Diaminostilbene-2,2’-disulfonic acidStructural formula:Chemical formula: C14H14N2O6S2 Molecular weight: 370.4CAS NO.:81-11-8Property:1)Light yellow cream or powder, soluble in ethanol and ether; insoluble in water, easily soluble in alkaline solution.2)Can be easily oxidized into red; has the property of aromatic acid or aromatic amineQuality index:

Item	Index
(1)Appearance dry/wet	light yellow powder/light yellow cream
(2)Dry product total amino value(gross dry sample)%	≥95.0
(3)Degree of pigmentation(EOD)	≤0.12
(4)Content of alkali insolubles (gross cream )%	≤0.08
(5)Benzyl compound(gross sample)%	≤ 0.25
(6)Ash content%	≤2.2

Main use:In the manufacture of fluorescent brighteming agent、Chrysophenine G and Direct Yellow R, also as pesticidesPacking: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven bag or upon clients' request.

Synonyms:

2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid); Amsonic acid;4,4'-Diaminostilbene-2,2'-Disulfonic Acid;2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid);4,4'-Diamino-2,2'-stilbenedisulfonic acid;

Molecular Structure:

4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid 81-11-8