DSD acid in high quality and good price | Global Trade leader ecrobot

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DSD acid in high quality and good price

Posting date : Aug 06, 2015

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Membership

Free Member Scince Apr 10, 2015

FOB Price

4.2usd/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 :

Amsonic Acid

Category

CHEMICAL | Tanning or dyein | Other colouring | Pigments & prepa

Contact

duan

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Company Info

Quick Detail

Place of Origin

China [CN]

Brand Name

Meinl

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

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Company Info

Basic Company Information

zhengzhou meinl(chemical) trade

TEL : 86-371-56871707 / FAX : 86-371-56871707
NO. 2 Building ,National university science park Zhengzhou High-teach Zone henan zhengzhou China [CN]
Homepage : http://www.meinlchem.com

Main Products

4,4-Diamino Stilbene , 4,4-Dinitrostilbene- , 4-nitrotoluene-2-sul , Sulfanilic Acid , Sodium Sulphanilate

Company Advantage

Detail Company Introduction

Zhengzhou meinl trade co., LTD with chemical industry as the core ，Specialized is engaged in the import and export of fluorescent whitening agent and dye intermediates business comprehensive enterprise main products :DSD ACID (CAS NO.81-11-8),PNTOSA (CAS NO.121-03-9),DNST (CAS NO.128-42-7)，Sulfanilic acid (CAS NO 121-57-3), Sodium sulfanilate(CAS NO 515-74-2),The quality and the technical of the prodcts takes the lead in China and The world as well. is realated at dye ,medicine pesticide and food dye.
The company has self -management import and exprot ,the qulity of the produts reach the internation standard ,and through ISO authorities concerned. Expending the domestic and the international market ,and sale of net work covered Eur.poncho southeast aisa , south africa and the other area .the the favorable reception from the customers relying on the excellent quality all the time .
Based on the idear of the profession ,integrity ,trustworthy ,
the company insist on exploring the best company ,the excellent products ,the potential market and the professional team ,so that the best price ,the perfect service and the best products can be supplied .the aim of the company is that we will continue creating the value to the customers ,and it is pleasure to hand in hand with all the customers in order to develop togerhter in the future .