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DSD Acid

FOB Price

Get Latest Price

0.01 ~ 0.02 /

2300 Yard Minimum Order

Country:

China

Model No:

81-11-8

FOB Price:

0.01 ~ 0.02 / (Negotiable) Get Latest Price

Place of Origin:

Price for Minimum Order:

0.01

Minimum Order Quantity:

2300 Yard

Packaging Detail:

Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven b

Delivery Time:

Packing: dry product: in 25kg woven bags or upon c

Supplying Ability:

2000 Yard per Year

Payment Type:

T/T

Product Group :

Contact Now

Zhengzhou Meinl Chemical Co Ltd

China

Free Member

Contact Person mika

China, Zhengzhou, Henan

Contact Now

Product Specification

Other Names: 4,4â€™-Diaminostilbene-2,2â€™-disulfonic acid
Type: Acid Dye
Usage: Main use:In the manufacture of fluorescent brighteming agentã€Chrysophenine G and Direct Yellow R, also as pesticides

1)Light yellow cream or powder, soluble in ethanol and ether:1)Light yellow cream or powder, soluble in ethanol and ether

Product Description

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.

Country:	China
Model No:	81-11-8
FOB Price:	0.01 ~ 0.02 / (Negotiable) Get Latest Price
Place of Origin:	-
Price for Minimum Order:	0.01
Minimum Order Quantity:	2300 Yard
Packaging Detail:	Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven b
Delivery Time:	Packing: dry product: in 25kg woven bags or upon c
Supplying Ability:	2000 Yard per Year
Payment Type:	T/T
Product Group :	-