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DSD Acid

DSD Acid

FOB Price

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3390 ~ 3399 / Ton ( Negotiable )

|

Minimum Order

Place of Origin:

-

Price for Minimum Order:

Minimum Order Quantity:

-

Packaging Detail:

In the manufacture of fluorescent brighteming agentã�ï&iques

Delivery Time:

dry product: in 25kg woven bags or upon clients&iu

Supplying Ability:

2000 Yard per Year

Payment Type:

T/T

今すぐお問い合わせください
Zhengzhou Meinl Chemical Co Ltd

Zhengzhou Meinl Chemical Co Ltd

China

無料会員

連絡先担当者 mika

China, Zhengzhou, Henan

今すぐお問い合わせください

Description

image

DSD Acid

Chemical name:4,4-Diaminostilbene-2,2-disulfonic acid
Structural formula:

Chemical formula:C14H14N2O6S2
Molecular weight:370.4
CAS NO.:81-11-8
Property:
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 amine
Quality 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 pesticides
Packing:dry product: in 25kg woven bags or upon clients\' request; wet product: in 40kg woven bag or upon clients\' request.

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mika < Zhengzhou Meinl Chemical Co Ltd >

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